{"title":"Samlex","description":"","products":[{"product_id":"samlex-3000-watt-24v-pure-sine-wave-inverter","title":"Samlex PST 3000 Watt 24V Pure Sine Wave Inverter PST-3000-24","description":"\u003ch2\u003eSamlex 3000 Watt 24V Pure Sine Wave Inverter\u003c\/h2\u003e\n\u003cp\u003eThis high efficiency pure sine inverter converts 24 Volts DC to 3000 Watts of AC power at 120 Volts, 60 Hz. Features include temperature controlled cooling, low interference, wide temperature operating range, overload protection, low battery alarm \/ shut down \u0026amp; low idle power draw. AC power is available from dual NEMA-20R GFCI outlets on the front panel, the unit is also hard wire capable. Safety certified to UL and CSA standards, FCC Compliant.\u003c\/p\u003e\n\u003cp\u003eAlso available in\u003cspan\u003e \u003c\/span\u003e12V and\u003cspan\u003e \u003c\/span\u003enon-remote\u003cspan\u003e \u003c\/span\u003emodels\u003c\/p\u003e\n\u003cp\u003eOptional LCD remote control, model\u003cspan\u003e \u003c\/span\u003eRC-300.\u003c\/p\u003e\n\u003ch2 class=\"o-product-accordion--header j-accordion--toggle\"\u003eFeatures\u003cspan class=\"icon-divider o-product-accordion--arrow\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"o-product-accordion--body j-accordion--body\"\u003e\n\u003cul\u003e\n\u003cli\u003eHigh efficiency \u0026amp; low RF emissions\u003c\/li\u003e\n\u003cli\u003eCan be hard wired\u003c\/li\u003e\n\u003cli\u003e2x Surge\u003c\/li\u003e\n\u003cli\u003eWide DC input range\u003c\/li\u003e\n\u003cli\u003eDual GFCI Protected Outlets\u003c\/li\u003e\n\u003cli\u003eWide temperature operating range -20 to +40°C \/ -4 to +104°F\u003c\/li\u003e\n\u003cli\u003eTemperature controlled cooling fan\u003c\/li\u003e\n\u003cli\u003eLow idle power draw\u003c\/li\u003e\n\u003cli\u003eRemote Input – Use to turn inverter ON or OFF with ignition start or any other Remote ON\/OFF switch\u003c\/li\u003e\n\u003cli\u003eOptional LCD remote control, model RC-300\u003c\/li\u003e\n\u003cli\u003eUPC – Universal Protection Circuit: low voltage, over voltage, over temperature, over load and short circuit\u003c\/li\u003e\n\u003cli\u003eSafety certified to UL \u0026amp; CSA standards, FCC compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 3000 Watt 24V Pure Sine Wave Inverter \u003cmeta charset=\"utf-8\"\u003eProduct Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWatts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3000 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRC-300 (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21.6 lbs \/ 9.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.35 x 17.97 x 5.71 in \/ 263 x 456.5 x 145 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c!-- notionvc: 08424d1d-5fef-481d-9286-12b61fb96f71 --\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Manual\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 3000 Watt 24V Pure Sine Wave Inverter \u003cmeta charset=\"utf-8\"\u003eProduct Manual\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eSamlex Product Manual\u003c\/h2\u003e\n\u003ch2\u003eSamlex Specifications\u003c\/h2\u003e\n\u003ch2\u003eSamlex Feature Sheet\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Warranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2 class=\"o-product--description\"\u003e3 Years Limited Warranty\u003c\/h2\u003e\n\u003ch3 class=\"o-product--description\"\u003eProduct FAQs\u003c\/h3\u003e\n\u003ch5 class=\"o-product--description\"\u003eWhat is a Pure Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-product--description\"\u003eThe output voltage of a sine wave inverter has a sine wave form like the sine wave form of the mains \/ utility voltage. In a sine wave, the voltage rises and falls smoothly with a smoothly changing phase angle and also changes its polarity instantly when it crosses 0 Volts.\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cdiv id=\"What-are-the-advantages-of-Pure-Sine-Wave-inverters\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"What-is-a-Modified-Sine-Wave-Inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIn a modified sine wave, the voltage rises and falls abruptly, the phase angle also changes abruptly and it sits at 0 Volts for some time before changing its polarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv id=\"Which-devices-will-not-function-properly-from-a-Modified-Sine-Wave-Inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhich devices will not function properly from a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eAny device that uses a control circuitry that senses the phase (for voltage \/ speed control) or instantaneous zero voltage crossing (for timing control) will not work properly from a voltage that has a modified sine wave-form. Also, as the modified sine wave is a form of square wave, it is comprised of multiple sine waves of odd harmonics (multiples) of the fundamental frequency of the modified sine wave. For example, a 60 Hz. modified sine wave will consist of sine waves with odd harmonic frequencies of 3rd (180 Hz), 5th (300 Hz.), 7th (420 Hz.) and so on. The high frequency harmonic content in a modified sine wave produces enhanced radio interference, higher heating effect in motors \/ microwaves and produces overloading due to lowering of the impedance of low frequency filter capacitors \/ power factor improvement capacitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSome examples of devices that may not work properly with modified sine wave and may also get damaged are given below\u003c\/em\u003e\u003c\/p\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli\u003eLaser printers, photocopiers, magneto-optical hard drives\u003c\/li\u003e\n\u003cli\u003eThe built-in clocks in devices such as clock radios, alarm clocks, coffee makers, bread-makers, VCR, microwave ovens etc may not keep time correctly\u003c\/li\u003e\n\u003cli\u003eOutput voltage control devices like dimmers, ceiling fan \/ motor speed control may not work properly (dimming \/ speed control may not function)\u003c\/li\u003e\n\u003cli\u003eSewing machines with speed \/ microprocessor control\u003c\/li\u003e\n\u003cli\u003eTransformer-less capacitive input powered devices like (i) Razors, flashlights, night-lights, smoke detectors etc (ii) Re-chargers for battery packs used in hand power tools.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eDevices that use radio frequency signals carried by the AC distribution wiring\u003c\/li\u003e\n\u003cli\u003eSome new furnaces with microprocessor control \/ Oil burner primary controls\u003c\/li\u003e\n\u003cli\u003eHigh intensity discharge (HID) lamps like Metal Halide lamps.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eSome fluorescent lamps \/ light fixtures that have power factor correction capacitors.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThe inverter may shut down indicating overload\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a DC-AC inverter?\u003c\/h5\u003e\n\u003cp\u003eWhen you plug anything into the wall in your home you are usually “plugging in” to the power-grid provided as a service by your utility company. Your utility company supplies you with alternating current (AC) electricity. AC electricity flows in alternate directions many times per second. AC is used for utility grid service because it is more practical for long distance transmission.\u003c\/p\u003e\n\u003cp\u003eBatteries provide direct current electricity (DC) electricity which flows in a single direction.  DC power is what is used in many electronics in the home like laptops, solar cells, LED bulbs, and electric vehicles.  They usually have built-in converters to take the AC power received from a plug-in and convert it to DC.\u003c\/p\u003e\n\u003cp\u003eAn inverter (converter) acts as a power adapter as it converts DC to AC,  AC to DC, and can also change the voltage. It allows a battery-based system to run conventional AC appliances directly or through conventional home wiring.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the criteria for selecting the right inverter for a particular application?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-the-criteria-for-selecting-the-right-inverter-for-a-particular-application\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eTo choose an inverter; you should first define your needs. Where is the inverter to be used? Inverters are available for use in buildings (including homes), for recreational vehicles, boats, and portable applications. Will it be connected to the utility grid in some way? Electrical conventions and safety standards differ for various applications, so don’t improvise.\u003c\/p\u003e\n\u003cp\u003eWhen sizing an inverter, you need to take into consideration both the\u003cstrong\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003erunning power\u003c\/em\u003e\u003c\/strong\u003e \u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cstrong\u003e(continuous)\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eand the additional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cem\u003estarting surge power\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements of the AC side loads.\u003c\/p\u003e\n\u003cp\u003eSome loads require much higher starting surge power for the first few seconds before settling down at the running power. The inverter should be sized on the basis of the starting surge power of the AC side load. The total starting surge power is equal to the normal running power plus the additional starting power. The following symbols and equation will be used for explanation purposes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRunning Power, Watts – \u003cstrong\u003eWr\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdditional Starting Power or Additional Continuous Power, Watts – \u003cstrong\u003eWa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Starting Surge Power, Watts = Running Power (\u003cstrong\u003eWr\u003c\/strong\u003e) + Additional Starting Power \/ Additional Continuous Power (\u003cstrong\u003eWa\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe specifications of inverters may include a rating termed Surge Power. Normally, the duration of this Surge Power rating is not quantified in the specifications and is assumed to last for less than 1 second. Unless the Surge Power Rating of the inverter is specified to last for \u0026gt; 5 seconds, this Surge Power specification of the inverter should not be considered for purposes of sizing loads with high and prolonged starting surge power.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOnly the Continuous Power rating of the inverter should be considered in such cases\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eElectric motor driven compressor\/pump based loads like refrigerators\/freezers, air conditioners, air compressors, sump and well pumps, etc. require a very high Starting Surge Power of around 5 to 7 times the Running Power for the initial start up. This Starting Surge Power may last for 2 to 5 seconds.  The Additional Starting Power\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 4 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSwitched Mode Power Supplies (SMPS) that do not have Power Factor correction draw a non linear, pulsing current with a high Crest Factor (Ratio of instantaneous value and the RMS value) that may reach a value of 4. Also, the effective Power Factor of these types of power supplies is very low around 0.6. If the inverter is sized based on the Running Power of these units, the inverter will be continuously overloaded from instant to instant due to the higher peaks of the pulsing current. The inverter for these units should be sized at 3 times the Running Power of the power supply. Alternatively, for sizing purposes, the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Consumer electronics like computers, TV, VCR, audio\/ video devices, etc. use this type of power supply.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(Please note that this sizing is not applicable if the SMPS has Power Factor correction and the Power Factor is around 0.9)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMotors used in washing machines have to start under load due to the weight of the clothes, water and the drum. Hence, the Additional Starting Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. This starting power normally lasts from 2 to 5 seconds.\u003c\/p\u003e\n\u003cp\u003eThe Watt rating of the microwaves normally indicates output cooking power in Watts. As the microwave is not an efficient device, the AC input power in Watts should be taken as 2 times the output cooking power in Watts i.e. the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 1 time the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Hence, a microwave with 900 Watt cooking power will require an 1800 Watt inverter. \u003cstrong\u003e(If the power rating of the inverter is indicated as the AC input power in Watts, the factor of 2 is not applicable).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe following symbols and equations are used in the sizing of an inverter example below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Running Power of the items selected, Watts – \u003cstrong\u003eWrt\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHighest Additional Starting Power out of the items selected, Watts – \u003cstrong\u003eWah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e*Highest power for sizing purpose, Watts – \u003cstrong\u003eWrt + Wah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e* It is assumed that only one out of the selected items starts at one time\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSince the AC loads rarely start at the same time, the load with the highest Additional Starting Power \u003cstrong\u003eWah\u003c\/strong\u003e has been factored in.\u003c\/p\u003e\n\u003cp\u003eExample:\u003cbr\u003e\u003c\/p\u003e\n\u003ctable id=\"tablepress-15\" class=\"tablepress tablepress-id-15 tablepress-responsive\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eRunning Power, Wr, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003eAdditional\u003cbr\u003eStarting Power or Additional Continuous Power *, Wa, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003eQuantity\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003eExtended\u003cbr\u003eRunning Power, Wt, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator – Electric Compressor based\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e800\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eColor TV\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e450\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eLaptop Adapter\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e240\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIncandescent Lamps\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e60\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e0\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e6\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e360\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*\u003c\/strong\u003e \u003cem\u003eAdditional Continuous Power is applicable to SMPS based loads that have no Power Factor Correction.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTotal Extended Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e = 200 + 225 + 120 + 360 = \u003cstrong\u003e905\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e = \u003cstrong\u003e800\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Power for sizing the inverter = Total Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e(905 W) + Highest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e (800 W) = \u003cstrong\u003e1705\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the electrical standards pertaining to DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThe DC input voltage must conform to that of the electrical system and battery bank. 12 volts is recommended for small, simple systems. 24 and 48 volts are the common standards for higher capacities. A higher voltage system carries less current, which makes the system wiring cheaper and easier.\u003c\/p\u003e\n\u003cp\u003eThe inverter’s AC output must conform to the conventional power in the region to run locally available appliances. The standard for AC utility service in North America is 120 and 240 Volts at a frequency of 60 Hertz (cycles per second). In Europe, South America, and most other places, it is 230 volts at 50 Hertz.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are \"continuous\" and \"surge\" power capacity ratings for DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-continuous-and-surge-power-capacity-ratings-for-DC-AC-inverters\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eHow much load can an inverter handle? Its power output is rated in Watts.  There are two levels of power rating -a continuous rating and a surge rating. Continuous means the amount of power the inverter can handle for an indefinite period of hours. When an inverter is rated at a certain number of Watts, that number generally refers to its continuous rating. The “surge power” indicates the power to handle instantaneous overload of a few seconds to provide the higher power required to start certain type of devices and appliances.  Resistive types of loads (like incandescent lamps, toaster, coffee maker, electric range, iron etc) do not require extra power to start. Their starting power is the same as their running power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow do \"surge power\" electrical loads affect DC-AC inverter operation?\u003c\/h5\u003e\n\u003cp\u003eIf an inverter cannot efficiently feed the surge power, it may simply shut down instead of starting the device. If the inverter’s surge capacity is marginal, its output voltage will dip during the surge. This can cause a dimming of the lights in the house, and will sometimes crash a computer.\u003c\/p\u003e\n\u003cp\u003eAny weakness in the battery and cabling to the inverter will further limit its ability to start a motor. A battery bank that is undersized, in poor condition, or has corroded connections, can be a weak link in the power chain. The inverter cables and the battery interconnect cables must be sized properly. The spike of DC current through these cables is many hundreds of amps at the instant of a motor starting for example.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter for loads that require starting surge?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-for-loads-that-require-starting-surge\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eObserve the following guideline to determine the continuous wattage of the inverter for powering loads that require starting surge. (Multiply the running watts of the device\/appliance by the Surge Factor)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e The surge power rating specified for this inverter is valid for duration of less than 1 second. This very short duration may not be sufficient to start motor based loads which may require up to 5 seconds to complete starting process. Hence, for purposes of sizing the inverter, use only the continuous power rating of this inverter.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable id=\"tablepress-16\" class=\"tablepress tablepress-id-16 tablepress-responsive\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eSurge Factor\u003cbr\u003e(No. of times the running power rating of the device\/appliance)\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator \/ Freezer\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e5\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eAir Compressors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e4\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDishwasher\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eSump pump\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-6 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eFurnace fans\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIndustrial motors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-8 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eCircular saw\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-9 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eBench Grinder\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-10 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003ePortable diesel \/ kerosene fuel heater\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e2\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to operate a microwave?\u003c\/h5\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe power rating of the microwave generally refers to the cooking power. The electrical power consumed by the microwave will be approximately 2 times the cooking power. The “surge power” of the inverter should be 2 times the electrical power (i.e., 4 times the cooking power). Please note that the surge power of the microwave is not as long as the motor load and hence, the surge power of the inverter can be considered to determine adequacy of meeting the starting surge power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to power a water supply pump?\u003c\/h5\u003e\n\u003cp\u003eA water well or pressure pump often places the greatest demand on the inverter. It warrants special consideration. Most pumps draw a very high surge of current during start up. The inverter must have sufficient surge capacity to handle it while running any other loads that may be on. It is important to size an inverter sufficiently, especially to handle the starting surge (If the exact starting rating is not available, the starting surge can be taken as 3 times the normal running rating of the pump). Oversize it still further if you want it to start the pump without causing lights to dim or blink.\u003c\/p\u003e\n\u003cp\u003eIn North America, most pumps (especially submersibles) run on 240 VAC, while smaller appliances and lights use 120 VAC. To obtain 240 VAC from a 120 VAC inverter, use a 120 VAC to 240 VAC transformer. If you do not already have a pump installed, you can get a 120 volt pump if you don’t need more than 1\/2 HP.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is \"idle power\" in a DC-AC inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-idle-power-in-a-DC-AC-inverter\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIdle power is the consumption of the inverter when it is on, but no loads are running. It is “wasted” power, so if you expect the inverter to be on for many hours during which there is very little load (as in most residential situations), you want this to be as low as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are Phantom and idling loads?\u003c\/h5\u003e\n\u003cp\u003eMost of the modern gadgets draw some power whenever they are plugged in. Some of them use power to do nothing at all. An example is a TV with a remote control. Its electric eye system is on day and night, watching for your signal to turn the screen on. Every appliance with an external wall-plug transformer uses power even when the appliance is turned off. These little loads are called “phantom loads” because their power draw is unexpected, unseen, and easily forgotten.\u003c\/p\u003e\n\u003cp\u003eA similar concern is “idling loads.” These are devices that must be on all the time in order to function when needed. These include smoke detectors, alarm systems, motion detector lights, fax machines, and answering machines. Central heating systems have a transformer in their thermostat circuit that stays on all the time. Cordless (rechargeable) appliances draw power even after their batteries reach a full charge. If in doubt, feel the device. If it’s warm, that indicates wasted energy.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eCan a standard DC-AC inverter be connected in parallel with another AC source\/ DC-AC inverter \/ electrical utility?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"Can-a-standard-DC-AC-inverter-be-connected-in-parallel-with-another-AC-source-DC-AC-inverter-electrical-utility\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe AC output of standard inverters cannot be synchronised with another AC source and hence, it is not suitable for paralleling. The AC output of the inverter should never be connected directly to an electrical breaker panel \/ load center which is also fed from the utility power \/generator. Such a connection may result in parallel operation of the different power sources and AC power from the utility \/ generator will be fed back into the inverter which will instantly damage the output section of the inverter and may also pose a fire and safety hazard.\u003c\/p\u003e\n\u003cp\u003eIf an electrical breaker panel \/ load center is fed from an inverter and this panel is also required to be powered from additional alternate AC sources, the AC power from all the AC sources like the utility \/ generator \/ inverter should first be fed to a manual selector switch and the output of the selector switch should be connected to the electrical breaker panel \/ load center. To prevent possibility of paralleling and severe damage to the inverter, never use a simple jumper cable with a male plug on both ends to connect the AC output of the inverter to a handy wall receptacle in the home\/RV.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow can DC-AC inverters be connected to multi-wire branch circuits?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-can-DC-AC-inverters-be-connected-to-multi-wire-branch-circuits\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eDo not directly connect the hot side of the inverter to the two hot legs of the 120 \/ 240 VAC electrical breaker panel \/ load centre where multi-wire ( common neutral ) branch circuit wiring method is used for distribution of AC power. This may lead to overloading\/overheating of the neutral conductor and is a risk of fire.\u003c\/p\u003e\n\u003cp\u003eA split phase transformer (isolated or auto-transformer ) of suitable wattage rating ( 25% more than the wattage rating of the inverter ) with primary of 120 VAC and secondary of 120 \/ 240 VAC ( Two 120 VAC split phases 180 degrees apart) should be used. The hot and neutral of the 120 VAC output of the inverter should be fed to the primary of this transformer and the 2 hot outputs (120 VAC split phases ) and the neutral from the secondary of this transformer should be connected to the electrical breaker panel\/ load centre.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to supply computer or printer loads?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eComputers and Printers generally come with in-built switch-mode power supplies (see application notes and FAQs on switch mode power supplies (SMPS)) that have extremely low power factor on account of the extremely peaky and non-linear nature of the current drawn by them from the AC source. Hence for such loads we recommend using inverters with three times the advertised power consumption of the computer or printer loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is the difference between a 12V, 24V and 48V inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-the-difference-between-a-12V-24V-and-48V-inverter\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eA 12-V can be fed from a 12V battery or DC supply. Similarly 24V and 48V inverters can be fed from 24V and 48V batteries\/DC power supplies, respectively. Cars usually have 12V batteries. Trucks have 24V batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Samlex","offers":[{"title":"Default Title","offer_id":46576229941474,"sku":"PST-3000-24","price":1149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5090\/1474\/files\/PST-3000-24-1.jpg?v=1751453154"},{"product_id":"samlex-2000-watt-24v-pure-sine-wave-inverter","title":"Samlex PST 2000 Watt 24V Pure Sine Wave Inverter PST-2000-24","description":"\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 2000 Watt 24V Pure Sine Wave Inverter\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThis high efficiency DC-AC inverter converts 24 Volts DC to 2000 Watts of pure sine-wave AC power at 120 Volts, 60 Hz. Features include overload protection, low battery alarm \/ shut down, low idle power draw. AC power is available from a NEMA-20R GFCI duplex outlet on the front panel. Safety certified to UL standards.\u003c\/p\u003e\n\u003cdiv class=\"o-product--description\"\u003e\n\u003cp\u003eAlso available in\u003cspan\u003e \u003c\/span\u003e12V and\u003cspan\u003e \u003c\/span\u003enon-remote\u003cspan\u003e \u003c\/span\u003emodels\u003c\/p\u003e\n\u003cp\u003eOptional remote control (sold separately): Model RC-300\u003c\/p\u003e\n\u003cdiv class=\"o-product-accordion--single j-accordion--single is__open\"\u003e\n\u003ch2 class=\"o-product-accordion--header j-accordion--toggle\"\u003eFeatures\u003cspan class=\"icon-divider o-product-accordion--arrow\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"o-product-accordion--body j-accordion--body\"\u003e\n\u003cul\u003e\n\u003cli\u003eHigh efficiency\u003c\/li\u003e\n\u003cli\u003eCan be hard wired\u003c\/li\u003e\n\u003cli\u003eTemperature controlled cooling fan – reduces energy consumption\u003c\/li\u003e\n\u003cli\u003eLow interference\u003c\/li\u003e\n\u003cli\u003eWide operating DC input range: 21.4 – 33.0 VDC\u003c\/li\u003e\n\u003cli\u003eCommercial grade design suitable for heavy duty loads, long periods of continuous operation \u0026amp; for emergency back up\u003c\/li\u003e\n\u003cli\u003eUPC – Universal Protection Circuit: low voltage, over voltage, over temperature, over load and short circuit\u003c\/li\u003e\n\u003cli\u003eLow idle power draw\u003c\/li\u003e\n\u003cli\u003eDual GFCI protected AC outlets\u003c\/li\u003e\n\u003cli\u003eOptional remote control (sold separately): Model\u003cspan\u003e \u003c\/span\u003eRC-300\u003c\/li\u003e\n\u003cli\u003eSafety certified to UL standards, FCC compliant\u003c\/li\u003e\n\u003cli\u003eRemote Input – Turn inverter ON or OFF with ignition start or any other Remote ON\/OFF switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 2000 Watt 24V Pure Sine Wave Inverter \u003cmeta charset=\"utf-8\"\u003eProduct Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWatts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2000 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3500 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRC-300 sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15.6 lbs \/ 7.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.35 x 18.43 x 4.16 in \/ 263 x 468.2 x 105.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eETL to UL Standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c!-- notionvc: 376db769-3044-4c84-a1fb-7fc223e719bc --\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Manual\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 2000 Watt 24V Pure Sine Wave Inverter \u003cmeta charset=\"utf-8\"\u003eProduct Manual\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eSamlex Product Manual\u003c\/h2\u003e\n\u003ch2\u003eSamlex Specifications\u003c\/h2\u003e\n\u003ch2\u003eSamlex Feature Sheet\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan data-mce-style=\"text-decoration: underline;\"\u003eProduct Warranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2 class=\"o-product--description\"\u003e3 Years Limited Warranty\u003c\/h2\u003e\n\u003ch3 class=\"o-product--description\"\u003eProduct FAQs\u003c\/h3\u003e\n\u003ch5 class=\"o-product--description\"\u003eWhat is a Pure Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-product--description\"\u003eThe output voltage of a sine wave inverter has a sine wave form like the sine wave form of the mains \/ utility voltage. In a sine wave, the voltage rises and falls smoothly with a smoothly changing phase angle and also changes its polarity instantly when it crosses 0 Volts.\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-the-advantages-of-Pure-Sine-Wave-inverters\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-a-Modified-Sine-Wave-Inverter\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIn a modified sine wave, the voltage rises and falls abruptly, the phase angle also changes abruptly and it sits at 0 Volts for some time before changing its polarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"Which-devices-will-not-function-properly-from-a-Modified-Sine-Wave-Inverter\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhich devices will not function properly from a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eAny device that uses a control circuitry that senses the phase (for voltage \/ speed control) or instantaneous zero voltage crossing (for timing control) will not work properly from a voltage that has a modified sine wave-form. Also, as the modified sine wave is a form of square wave, it is comprised of multiple sine waves of odd harmonics (multiples) of the fundamental frequency of the modified sine wave. For example, a 60 Hz. modified sine wave will consist of sine waves with odd harmonic frequencies of 3rd (180 Hz), 5th (300 Hz.), 7th (420 Hz.) and so on. The high frequency harmonic content in a modified sine wave produces enhanced radio interference, higher heating effect in motors \/ microwaves and produces overloading due to lowering of the impedance of low frequency filter capacitors \/ power factor improvement capacitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSome examples of devices that may not work properly with modified sine wave and may also get damaged are given below\u003c\/em\u003e\u003c\/p\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli\u003eLaser printers, photocopiers, magneto-optical hard drives\u003c\/li\u003e\n\u003cli\u003eThe built-in clocks in devices such as clock radios, alarm clocks, coffee makers, bread-makers, VCR, microwave ovens etc may not keep time correctly\u003c\/li\u003e\n\u003cli\u003eOutput voltage control devices like dimmers, ceiling fan \/ motor speed control may not work properly (dimming \/ speed control may not function)\u003c\/li\u003e\n\u003cli\u003eSewing machines with speed \/ microprocessor control\u003c\/li\u003e\n\u003cli\u003eTransformer-less capacitive input powered devices like (i) Razors, flashlights, night-lights, smoke detectors etc (ii) Re-chargers for battery packs used in hand power tools.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eDevices that use radio frequency signals carried by the AC distribution wiring\u003c\/li\u003e\n\u003cli\u003eSome new furnaces with microprocessor control \/ Oil burner primary controls\u003c\/li\u003e\n\u003cli\u003eHigh intensity discharge (HID) lamps like Metal Halide lamps.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eSome fluorescent lamps \/ light fixtures that have power factor correction capacitors.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThe inverter may shut down indicating overload\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a DC-AC inverter?\u003c\/h5\u003e\n\u003cp\u003eWhen you plug anything into the wall in your home you are usually “plugging in” to the power-grid provided as a service by your utility company. Your utility company supplies you with alternating current (AC) electricity. AC electricity flows in alternate directions many times per second. AC is used for utility grid service because it is more practical for long distance transmission.\u003c\/p\u003e\n\u003cp\u003eBatteries provide direct current electricity (DC) electricity which flows in a single direction.  DC power is what is used in many electronics in the home like laptops, solar cells, LED bulbs, and electric vehicles.  They usually have built-in converters to take the AC power received from a plug-in and convert it to DC.\u003c\/p\u003e\n\u003cp\u003eAn inverter (converter) acts as a power adapter as it converts DC to AC,  AC to DC, and can also change the voltage. It allows a battery-based system to run conventional AC appliances directly or through conventional home wiring.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the criteria for selecting the right inverter for a particular application?\u003c\/h5\u003e\n\u003cdiv id=\"What-are-the-criteria-for-selecting-the-right-inverter-for-a-particular-application\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eTo choose an inverter; you should first define your needs. Where is the inverter to be used? Inverters are available for use in buildings (including homes), for recreational vehicles, boats, and portable applications. Will it be connected to the utility grid in some way? Electrical conventions and safety standards differ for various applications, so don’t improvise.\u003c\/p\u003e\n\u003cp\u003eWhen sizing an inverter, you need to take into consideration both the\u003cstrong\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003erunning power\u003c\/em\u003e\u003c\/strong\u003e \u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cstrong\u003e(continuous)\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eand the additional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cem\u003estarting surge power\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements of the AC side loads.\u003c\/p\u003e\n\u003cp\u003eSome loads require much higher starting surge power for the first few seconds before settling down at the running power. The inverter should be sized on the basis of the starting surge power of the AC side load. The total starting surge power is equal to the normal running power plus the additional starting power. The following symbols and equation will be used for explanation purposes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRunning Power, Watts – \u003cstrong\u003eWr\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdditional Starting Power or Additional Continuous Power, Watts – \u003cstrong\u003eWa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Starting Surge Power, Watts = Running Power (\u003cstrong\u003eWr\u003c\/strong\u003e) + Additional Starting Power \/ Additional Continuous Power (\u003cstrong\u003eWa\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe specifications of inverters may include a rating termed Surge Power. Normally, the duration of this Surge Power rating is not quantified in the specifications and is assumed to last for less than 1 second. Unless the Surge Power Rating of the inverter is specified to last for \u0026gt; 5 seconds, this Surge Power specification of the inverter should not be considered for purposes of sizing loads with high and prolonged starting surge power.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOnly the Continuous Power rating of the inverter should be considered in such cases\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eElectric motor driven compressor\/pump based loads like refrigerators\/freezers, air conditioners, air compressors, sump and well pumps, etc. require a very high Starting Surge Power of around 5 to 7 times the Running Power for the initial start up. This Starting Surge Power may last for 2 to 5 seconds.  The Additional Starting Power\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 4 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSwitched Mode Power Supplies (SMPS) that do not have Power Factor correction draw a non linear, pulsing current with a high Crest Factor (Ratio of instantaneous value and the RMS value) that may reach a value of 4. Also, the effective Power Factor of these types of power supplies is very low around 0.6. If the inverter is sized based on the Running Power of these units, the inverter will be continuously overloaded from instant to instant due to the higher peaks of the pulsing current. The inverter for these units should be sized at 3 times the Running Power of the power supply. Alternatively, for sizing purposes, the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Consumer electronics like computers, TV, VCR, audio\/ video devices, etc. use this type of power supply.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(Please note that this sizing is not applicable if the SMPS has Power Factor correction and the Power Factor is around 0.9)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMotors used in washing machines have to start under load due to the weight of the clothes, water and the drum. Hence, the Additional Starting Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. This starting power normally lasts from 2 to 5 seconds.\u003c\/p\u003e\n\u003cp\u003eThe Watt rating of the microwaves normally indicates output cooking power in Watts. As the microwave is not an efficient device, the AC input power in Watts should be taken as 2 times the output cooking power in Watts i.e. the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 1 time the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Hence, a microwave with 900 Watt cooking power will require an 1800 Watt inverter. \u003cstrong\u003e(If the power rating of the inverter is indicated as the AC input power in Watts, the factor of 2 is not applicable).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe following symbols and equations are used in the sizing of an inverter example below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Running Power of the items selected, Watts – \u003cstrong\u003eWrt\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHighest Additional Starting Power out of the items selected, Watts – \u003cstrong\u003eWah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e*Highest power for sizing purpose, Watts – \u003cstrong\u003eWrt + Wah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e* It is assumed that only one out of the selected items starts at one time\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSince the AC loads rarely start at the same time, the load with the highest Additional Starting Power \u003cstrong\u003eWah\u003c\/strong\u003e has been factored in.\u003c\/p\u003e\n\u003cp\u003eExample:\u003cbr\u003e\u003c\/p\u003e\n\u003ctable class=\"tablepress tablepress-id-15 tablepress-responsive\" id=\"tablepress-15\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eRunning Power, Wr, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003eAdditional\u003cbr\u003eStarting Power or Additional Continuous Power *, Wa, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003eQuantity\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003eExtended\u003cbr\u003eRunning Power, Wt, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator – Electric Compressor based\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e800\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eColor TV\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e450\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eLaptop Adapter\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e240\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIncandescent Lamps\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e60\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e0\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e6\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e360\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*\u003c\/strong\u003e \u003cem\u003eAdditional Continuous Power is applicable to SMPS based loads that have no Power Factor Correction.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTotal Extended Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e = 200 + 225 + 120 + 360 = \u003cstrong\u003e905\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e = \u003cstrong\u003e800\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Power for sizing the inverter = Total Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e(905 W) + Highest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e (800 W) = \u003cstrong\u003e1705\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the electrical standards pertaining to DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThe DC input voltage must conform to that of the electrical system and battery bank. 12 volts is recommended for small, simple systems. 24 and 48 volts are the common standards for higher capacities. A higher voltage system carries less current, which makes the system wiring cheaper and easier.\u003c\/p\u003e\n\u003cp\u003eThe inverter’s AC output must conform to the conventional power in the region to run locally available appliances. The standard for AC utility service in North America is 120 and 240 Volts at a frequency of 60 Hertz (cycles per second). In Europe, South America, and most other places, it is 230 volts at 50 Hertz.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are \"continuous\" and \"surge\" power capacity ratings for DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv id=\"What-are-continuous-and-surge-power-capacity-ratings-for-DC-AC-inverters\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eHow much load can an inverter handle? Its power output is rated in Watts.  There are two levels of power rating -a continuous rating and a surge rating. Continuous means the amount of power the inverter can handle for an indefinite period of hours. When an inverter is rated at a certain number of Watts, that number generally refers to its continuous rating. The “surge power” indicates the power to handle instantaneous overload of a few seconds to provide the higher power required to start certain type of devices and appliances.  Resistive types of loads (like incandescent lamps, toaster, coffee maker, electric range, iron etc) do not require extra power to start. Their starting power is the same as their running power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow do \"surge power\" electrical loads affect DC-AC inverter operation?\u003c\/h5\u003e\n\u003cp\u003eIf an inverter cannot efficiently feed the surge power, it may simply shut down instead of starting the device. If the inverter’s surge capacity is marginal, its output voltage will dip during the surge. This can cause a dimming of the lights in the house, and will sometimes crash a computer.\u003c\/p\u003e\n\u003cp\u003eAny weakness in the battery and cabling to the inverter will further limit its ability to start a motor. A battery bank that is undersized, in poor condition, or has corroded connections, can be a weak link in the power chain. The inverter cables and the battery interconnect cables must be sized properly. The spike of DC current through these cables is many hundreds of amps at the instant of a motor starting for example.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter for loads that require starting surge?\u003c\/h5\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-for-loads-that-require-starting-surge\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eObserve the following guideline to determine the continuous wattage of the inverter for powering loads that require starting surge. (Multiply the running watts of the device\/appliance by the Surge Factor)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e The surge power rating specified for this inverter is valid for duration of less than 1 second. This very short duration may not be sufficient to start motor based loads which may require up to 5 seconds to complete starting process. Hence, for purposes of sizing the inverter, use only the continuous power rating of this inverter.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable class=\"tablepress tablepress-id-16 tablepress-responsive\" id=\"tablepress-16\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eSurge Factor\u003cbr\u003e(No. of times the running power rating of the device\/appliance)\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator \/ Freezer\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e5\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eAir Compressors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e4\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDishwasher\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eSump pump\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-6 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eFurnace fans\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIndustrial motors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-8 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eCircular saw\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-9 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eBench Grinder\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-10 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003ePortable diesel \/ kerosene fuel heater\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e2\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to operate a microwave?\u003c\/h5\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe power rating of the microwave generally refers to the cooking power. The electrical power consumed by the microwave will be approximately 2 times the cooking power. The “surge power” of the inverter should be 2 times the electrical power (i.e., 4 times the cooking power). Please note that the surge power of the microwave is not as long as the motor load and hence, the surge power of the inverter can be considered to determine adequacy of meeting the starting surge power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to power a water supply pump?\u003c\/h5\u003e\n\u003cp\u003eA water well or pressure pump often places the greatest demand on the inverter. It warrants special consideration. Most pumps draw a very high surge of current during start up. The inverter must have sufficient surge capacity to handle it while running any other loads that may be on. It is important to size an inverter sufficiently, especially to handle the starting surge (If the exact starting rating is not available, the starting surge can be taken as 3 times the normal running rating of the pump). Oversize it still further if you want it to start the pump without causing lights to dim or blink.\u003c\/p\u003e\n\u003cp\u003eIn North America, most pumps (especially submersibles) run on 240 VAC, while smaller appliances and lights use 120 VAC. To obtain 240 VAC from a 120 VAC inverter, use a 120 VAC to 240 VAC transformer. If you do not already have a pump installed, you can get a 120 volt pump if you don’t need more than 1\/2 HP.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is \"idle power\" in a DC-AC inverter?\u003c\/h5\u003e\n\u003cdiv id=\"What-is-idle-power-in-a-DC-AC-inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIdle power is the consumption of the inverter when it is on, but no loads are running. It is “wasted” power, so if you expect the inverter to be on for many hours during which there is very little load (as in most residential situations), you want this to be as low as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are Phantom and idling loads?\u003c\/h5\u003e\n\u003cp\u003eMost of the modern gadgets draw some power whenever they are plugged in. Some of them use power to do nothing at all. An example is a TV with a remote control. Its electric eye system is on day and night, watching for your signal to turn the screen on. Every appliance with an external wall-plug transformer uses power even when the appliance is turned off. These little loads are called “phantom loads” because their power draw is unexpected, unseen, and easily forgotten.\u003c\/p\u003e\n\u003cp\u003eA similar concern is “idling loads.” These are devices that must be on all the time in order to function when needed. These include smoke detectors, alarm systems, motion detector lights, fax machines, and answering machines. Central heating systems have a transformer in their thermostat circuit that stays on all the time. Cordless (rechargeable) appliances draw power even after their batteries reach a full charge. If in doubt, feel the device. If it’s warm, that indicates wasted energy.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eCan a standard DC-AC inverter be connected in parallel with another AC source\/ DC-AC inverter \/ electrical utility?\u003c\/h5\u003e\n\u003cdiv id=\"Can-a-standard-DC-AC-inverter-be-connected-in-parallel-with-another-AC-source-DC-AC-inverter-electrical-utility\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe AC output of standard inverters cannot be synchronised with another AC source and hence, it is not suitable for paralleling. The AC output of the inverter should never be connected directly to an electrical breaker panel \/ load center which is also fed from the utility power \/generator. Such a connection may result in parallel operation of the different power sources and AC power from the utility \/ generator will be fed back into the inverter which will instantly damage the output section of the inverter and may also pose a fire and safety hazard.\u003c\/p\u003e\n\u003cp\u003eIf an electrical breaker panel \/ load center is fed from an inverter and this panel is also required to be powered from additional alternate AC sources, the AC power from all the AC sources like the utility \/ generator \/ inverter should first be fed to a manual selector switch and the output of the selector switch should be connected to the electrical breaker panel \/ load center. To prevent possibility of paralleling and severe damage to the inverter, never use a simple jumper cable with a male plug on both ends to connect the AC output of the inverter to a handy wall receptacle in the home\/RV.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow can DC-AC inverters be connected to multi-wire branch circuits?\u003c\/h5\u003e\n\u003cdiv id=\"How-can-DC-AC-inverters-be-connected-to-multi-wire-branch-circuits\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eDo not directly connect the hot side of the inverter to the two hot legs of the 120 \/ 240 VAC electrical breaker panel \/ load centre where multi-wire ( common neutral ) branch circuit wiring method is used for distribution of AC power. This may lead to overloading\/overheating of the neutral conductor and is a risk of fire.\u003c\/p\u003e\n\u003cp\u003eA split phase transformer (isolated or auto-transformer ) of suitable wattage rating ( 25% more than the wattage rating of the inverter ) with primary of 120 VAC and secondary of 120 \/ 240 VAC ( Two 120 VAC split phases 180 degrees apart) should be used. The hot and neutral of the 120 VAC output of the inverter should be fed to the primary of this transformer and the 2 hot outputs (120 VAC split phases ) and the neutral from the secondary of this transformer should be connected to the electrical breaker panel\/ load centre.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to supply computer or printer loads?\u003c\/h5\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eComputers and Printers generally come with in-built switch-mode power supplies (see application notes and FAQs on switch mode power supplies (SMPS)) that have extremely low power factor on account of the extremely peaky and non-linear nature of the current drawn by them from the AC source. Hence for such loads we recommend using inverters with three times the advertised power consumption of the computer or printer loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is the difference between a 12V, 24V and 48V inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv id=\"What-is-the-difference-between-a-12V-24V-and-48V-inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eA 12-V can be fed from a 12V battery or DC supply. Similarly 24V and 48V inverters can be fed from 24V and 48V batteries\/DC power supplies, respectively. Cars usually have 12V batteries. Trucks have 24V batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Samlex","offers":[{"title":"Default Title","offer_id":46576230105314,"sku":"PST-2000-24","price":859.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5090\/1474\/files\/PST-2000-24-1.jpg?v=1751453170"},{"product_id":"samlex-2000-watt-12v-pure-sine-wave-inverter","title":"Samlex PST 2000 Watt 12V Pure Sine Wave Inverter PST-2000-12","description":"\u003ch2\u003eSamlex 2000 Watt 12V Pure Sine Wave Inverter\u003c\/h2\u003e\n\u003cp\u003eThis high efficiency DC-AC inverter converts 12 Volts DC to 2000 Watts of pure sine-wave AC power at 120 Volts, 60 Hz. Features include overload protection, low battery alarm \/ shut down, low idle power draw of less than 1 Amp. AC power is available from a NEMA-20R GFCI duplex outlet on the front panel, the unit is also hard wire capable. Safety certified to UL and CSA standards, FCC Compliant.\u003c\/p\u003e\n\u003cdiv class=\"o-product--description\"\u003e\n\u003cdiv class=\"o-product--description\"\u003e\n\u003cp\u003eOptional remote control (sold separately): Model RC-300\u003c\/p\u003e\n\u003cp\u003eAlso available in\u003cspan\u003e \u003c\/span\u003e24V model\u003c\/p\u003e\n\u003ch2 class=\"o-product-accordion--header j-accordion--toggle\"\u003eFeatures\u003cspan class=\"icon-divider o-product-accordion--arrow\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"o-product-accordion--body j-accordion--body\"\u003e\n\u003cul\u003e\n\u003cli\u003eHigh efficiency\u003c\/li\u003e\n\u003cli\u003eCan be hard wired\u003c\/li\u003e\n\u003cli\u003eTemperature controlled cooling fan – reduces energy consumption\u003c\/li\u003e\n\u003cli\u003eLow interference\u003c\/li\u003e\n\u003cli\u003eWide operating DC input range: 10.7 – 16.5 VDC\u003c\/li\u003e\n\u003cli\u003eCommercial grade design suitable for heavy duty loads, long periods of continuous operation \u0026amp; for emergency back up\u003c\/li\u003e\n\u003cli\u003eUPC – Universal Protection Circuit: low voltage, over voltage, over temperature, over load and short circuit\u003c\/li\u003e\n\u003cli\u003eLow idle power draw\u003c\/li\u003e\n\u003cli\u003eDual GFCI protected AC outlets\u003c\/li\u003e\n\u003cli\u003eOptional remote control (sold separately): Model\u003cspan\u003e \u003c\/span\u003eRC-300\u003c\/li\u003e\n\u003cli\u003eSafety certified to UL standards, FCC compliant\u003c\/li\u003e\n\u003cli\u003eRemote Input – Turn inverter ON or OFF with ignition start or any other Remote ON\/OFF switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSamlex 2000 Watt 12V Pure Sine Wave Inverter \u003cmeta charset=\"utf-8\"\u003eProduct Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWatts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2000 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3500 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRC-300 sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15.6 lbs \/ 7.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.35 x 18.43 x 4.16 in \/ 263 x 468.2 x 105.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eETL to UL Standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProduct Manual\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSamlex 2000 Watt 12V Pure Sine Wave Inverter \u003cmeta charset=\"utf-8\"\u003eProduct Manual\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eSamlex Product Manual\u003c\/h2\u003e\n\u003ch2\u003eSamlex Specifications\u003c\/h2\u003e\n\u003ch2\u003eSamlex Feature Sheet\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Warranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2 class=\"o-product--description\"\u003e3 Years Limited Warranty\u003c\/h2\u003e\n\u003ch3 class=\"o-product--description\"\u003eProduct FAQs\u003c\/h3\u003e\n\u003ch5 class=\"o-product--description\"\u003eWhat is a Pure Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-product--description\"\u003eThe output voltage of a sine wave inverter has a sine wave form like the sine wave form of the mains \/ utility voltage. In a sine wave, the voltage rises and falls smoothly with a smoothly changing phase angle and also changes its polarity instantly when it crosses 0 Volts.\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-the-advantages-of-Pure-Sine-Wave-inverters\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-a-Modified-Sine-Wave-Inverter\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIn a modified sine wave, the voltage rises and falls abruptly, the phase angle also changes abruptly and it sits at 0 Volts for some time before changing its polarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"Which-devices-will-not-function-properly-from-a-Modified-Sine-Wave-Inverter\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhich devices will not function properly from a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eAny device that uses a control circuitry that senses the phase (for voltage \/ speed control) or instantaneous zero voltage crossing (for timing control) will not work properly from a voltage that has a modified sine wave-form. Also, as the modified sine wave is a form of square wave, it is comprised of multiple sine waves of odd harmonics (multiples) of the fundamental frequency of the modified sine wave. For example, a 60 Hz. modified sine wave will consist of sine waves with odd harmonic frequencies of 3rd (180 Hz), 5th (300 Hz.), 7th (420 Hz.) and so on. The high frequency harmonic content in a modified sine wave produces enhanced radio interference, higher heating effect in motors \/ microwaves and produces overloading due to lowering of the impedance of low frequency filter capacitors \/ power factor improvement capacitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSome examples of devices that may not work properly with modified sine wave and may also get damaged are given below\u003c\/em\u003e\u003c\/p\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli\u003eLaser printers, photocopiers, magneto-optical hard drives\u003c\/li\u003e\n\u003cli\u003eThe built-in clocks in devices such as clock radios, alarm clocks, coffee makers, bread-makers, VCR, microwave ovens etc may not keep time correctly\u003c\/li\u003e\n\u003cli\u003eOutput voltage control devices like dimmers, ceiling fan \/ motor speed control may not work properly (dimming \/ speed control may not function)\u003c\/li\u003e\n\u003cli\u003eSewing machines with speed \/ microprocessor control\u003c\/li\u003e\n\u003cli\u003eTransformer-less capacitive input powered devices like (i) Razors, flashlights, night-lights, smoke detectors etc (ii) Re-chargers for battery packs used in hand power tools.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eDevices that use radio frequency signals carried by the AC distribution wiring\u003c\/li\u003e\n\u003cli\u003eSome new furnaces with microprocessor control \/ Oil burner primary controls\u003c\/li\u003e\n\u003cli\u003eHigh intensity discharge (HID) lamps like Metal Halide lamps.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eSome fluorescent lamps \/ light fixtures that have power factor correction capacitors.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThe inverter may shut down indicating overload\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a DC-AC inverter?\u003c\/h5\u003e\n\u003cp\u003eWhen you plug anything into the wall in your home you are usually “plugging in” to the power-grid provided as a service by your utility company. Your utility company supplies you with alternating current (AC) electricity. AC electricity flows in alternate directions many times per second. AC is used for utility grid service because it is more practical for long distance transmission.\u003c\/p\u003e\n\u003cp\u003eBatteries provide direct current electricity (DC) electricity which flows in a single direction.  DC power is what is used in many electronics in the home like laptops, solar cells, LED bulbs, and electric vehicles.  They usually have built-in converters to take the AC power received from a plug-in and convert it to DC.\u003c\/p\u003e\n\u003cp\u003eAn inverter (converter) acts as a power adapter as it converts DC to AC,  AC to DC, and can also change the voltage. It allows a battery-based system to run conventional AC appliances directly or through conventional home wiring.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the criteria for selecting the right inverter for a particular application?\u003c\/h5\u003e\n\u003cdiv id=\"What-are-the-criteria-for-selecting-the-right-inverter-for-a-particular-application\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eTo choose an inverter; you should first define your needs. Where is the inverter to be used? Inverters are available for use in buildings (including homes), for recreational vehicles, boats, and portable applications. Will it be connected to the utility grid in some way? Electrical conventions and safety standards differ for various applications, so don’t improvise.\u003c\/p\u003e\n\u003cp\u003eWhen sizing an inverter, you need to take into consideration both the\u003cstrong\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003erunning power\u003c\/em\u003e\u003c\/strong\u003e \u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cstrong\u003e(continuous)\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eand the additional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cem\u003estarting surge power\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements of the AC side loads.\u003c\/p\u003e\n\u003cp\u003eSome loads require much higher starting surge power for the first few seconds before settling down at the running power. The inverter should be sized on the basis of the starting surge power of the AC side load. The total starting surge power is equal to the normal running power plus the additional starting power. The following symbols and equation will be used for explanation purposes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRunning Power, Watts – \u003cstrong\u003eWr\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdditional Starting Power or Additional Continuous Power, Watts – \u003cstrong\u003eWa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Starting Surge Power, Watts = Running Power (\u003cstrong\u003eWr\u003c\/strong\u003e) + Additional Starting Power \/ Additional Continuous Power (\u003cstrong\u003eWa\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe specifications of inverters may include a rating termed Surge Power. Normally, the duration of this Surge Power rating is not quantified in the specifications and is assumed to last for less than 1 second. Unless the Surge Power Rating of the inverter is specified to last for \u0026gt; 5 seconds, this Surge Power specification of the inverter should not be considered for purposes of sizing loads with high and prolonged starting surge power.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOnly the Continuous Power rating of the inverter should be considered in such cases\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eElectric motor driven compressor\/pump based loads like refrigerators\/freezers, air conditioners, air compressors, sump and well pumps, etc. require a very high Starting Surge Power of around 5 to 7 times the Running Power for the initial start up. This Starting Surge Power may last for 2 to 5 seconds.  The Additional Starting Power\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 4 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSwitched Mode Power Supplies (SMPS) that do not have Power Factor correction draw a non linear, pulsing current with a high Crest Factor (Ratio of instantaneous value and the RMS value) that may reach a value of 4. Also, the effective Power Factor of these types of power supplies is very low around 0.6. If the inverter is sized based on the Running Power of these units, the inverter will be continuously overloaded from instant to instant due to the higher peaks of the pulsing current. The inverter for these units should be sized at 3 times the Running Power of the power supply. Alternatively, for sizing purposes, the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Consumer electronics like computers, TV, VCR, audio\/ video devices, etc. use this type of power supply.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(Please note that this sizing is not applicable if the SMPS has Power Factor correction and the Power Factor is around 0.9)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMotors used in washing machines have to start under load due to the weight of the clothes, water and the drum. Hence, the Additional Starting Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. This starting power normally lasts from 2 to 5 seconds.\u003c\/p\u003e\n\u003cp\u003eThe Watt rating of the microwaves normally indicates output cooking power in Watts. As the microwave is not an efficient device, the AC input power in Watts should be taken as 2 times the output cooking power in Watts i.e. the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 1 time the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Hence, a microwave with 900 Watt cooking power will require an 1800 Watt inverter. \u003cstrong\u003e(If the power rating of the inverter is indicated as the AC input power in Watts, the factor of 2 is not applicable).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe following symbols and equations are used in the sizing of an inverter example below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Running Power of the items selected, Watts – \u003cstrong\u003eWrt\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHighest Additional Starting Power out of the items selected, Watts – \u003cstrong\u003eWah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e*Highest power for sizing purpose, Watts – \u003cstrong\u003eWrt + Wah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e* It is assumed that only one out of the selected items starts at one time\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSince the AC loads rarely start at the same time, the load with the highest Additional Starting Power \u003cstrong\u003eWah\u003c\/strong\u003e has been factored in.\u003c\/p\u003e\n\u003cp\u003eExample:\u003cbr\u003e\u003c\/p\u003e\n\u003ctable class=\"tablepress tablepress-id-15 tablepress-responsive\" id=\"tablepress-15\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eRunning Power, Wr, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003eAdditional\u003cbr\u003eStarting Power or Additional Continuous Power *, Wa, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003eQuantity\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003eExtended\u003cbr\u003eRunning Power, Wt, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator – Electric Compressor based\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e800\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eColor TV\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e450\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eLaptop Adapter\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e240\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIncandescent Lamps\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e60\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e0\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e6\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e360\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*\u003c\/strong\u003e \u003cem\u003eAdditional Continuous Power is applicable to SMPS based loads that have no Power Factor Correction.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTotal Extended Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e = 200 + 225 + 120 + 360 = \u003cstrong\u003e905\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e = \u003cstrong\u003e800\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Power for sizing the inverter = Total Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e(905 W) + Highest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e (800 W) = \u003cstrong\u003e1705\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the electrical standards pertaining to DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThe DC input voltage must conform to that of the electrical system and battery bank. 12 volts is recommended for small, simple systems. 24 and 48 volts are the common standards for higher capacities. A higher voltage system carries less current, which makes the system wiring cheaper and easier.\u003c\/p\u003e\n\u003cp\u003eThe inverter’s AC output must conform to the conventional power in the region to run locally available appliances. The standard for AC utility service in North America is 120 and 240 Volts at a frequency of 60 Hertz (cycles per second). In Europe, South America, and most other places, it is 230 volts at 50 Hertz.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are \"continuous\" and \"surge\" power capacity ratings for DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv id=\"What-are-continuous-and-surge-power-capacity-ratings-for-DC-AC-inverters\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eHow much load can an inverter handle? Its power output is rated in Watts.  There are two levels of power rating -a continuous rating and a surge rating. Continuous means the amount of power the inverter can handle for an indefinite period of hours. When an inverter is rated at a certain number of Watts, that number generally refers to its continuous rating. The “surge power” indicates the power to handle instantaneous overload of a few seconds to provide the higher power required to start certain type of devices and appliances.  Resistive types of loads (like incandescent lamps, toaster, coffee maker, electric range, iron etc) do not require extra power to start. Their starting power is the same as their running power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow do \"surge power\" electrical loads affect DC-AC inverter operation?\u003c\/h5\u003e\n\u003cp\u003eIf an inverter cannot efficiently feed the surge power, it may simply shut down instead of starting the device. If the inverter’s surge capacity is marginal, its output voltage will dip during the surge. This can cause a dimming of the lights in the house, and will sometimes crash a computer.\u003c\/p\u003e\n\u003cp\u003eAny weakness in the battery and cabling to the inverter will further limit its ability to start a motor. A battery bank that is undersized, in poor condition, or has corroded connections, can be a weak link in the power chain. The inverter cables and the battery interconnect cables must be sized properly. The spike of DC current through these cables is many hundreds of amps at the instant of a motor starting for example.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter for loads that require starting surge?\u003c\/h5\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-for-loads-that-require-starting-surge\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eObserve the following guideline to determine the continuous wattage of the inverter for powering loads that require starting surge. (Multiply the running watts of the device\/appliance by the Surge Factor)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e The surge power rating specified for this inverter is valid for duration of less than 1 second. This very short duration may not be sufficient to start motor based loads which may require up to 5 seconds to complete starting process. Hence, for purposes of sizing the inverter, use only the continuous power rating of this inverter.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable class=\"tablepress tablepress-id-16 tablepress-responsive\" id=\"tablepress-16\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eSurge Factor\u003cbr\u003e(No. of times the running power rating of the device\/appliance)\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator \/ Freezer\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e5\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eAir Compressors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e4\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDishwasher\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eSump pump\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-6 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eFurnace fans\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIndustrial motors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-8 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eCircular saw\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-9 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eBench Grinder\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-10 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003ePortable diesel \/ kerosene fuel heater\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e2\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to operate a microwave?\u003c\/h5\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe power rating of the microwave generally refers to the cooking power. The electrical power consumed by the microwave will be approximately 2 times the cooking power. The “surge power” of the inverter should be 2 times the electrical power (i.e., 4 times the cooking power). Please note that the surge power of the microwave is not as long as the motor load and hence, the surge power of the inverter can be considered to determine adequacy of meeting the starting surge power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to power a water supply pump?\u003c\/h5\u003e\n\u003cp\u003eA water well or pressure pump often places the greatest demand on the inverter. It warrants special consideration. Most pumps draw a very high surge of current during start up. The inverter must have sufficient surge capacity to handle it while running any other loads that may be on. It is important to size an inverter sufficiently, especially to handle the starting surge (If the exact starting rating is not available, the starting surge can be taken as 3 times the normal running rating of the pump). Oversize it still further if you want it to start the pump without causing lights to dim or blink.\u003c\/p\u003e\n\u003cp\u003eIn North America, most pumps (especially submersibles) run on 240 VAC, while smaller appliances and lights use 120 VAC. To obtain 240 VAC from a 120 VAC inverter, use a 120 VAC to 240 VAC transformer. If you do not already have a pump installed, you can get a 120 volt pump if you don’t need more than 1\/2 HP.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is \"idle power\" in a DC-AC inverter?\u003c\/h5\u003e\n\u003cdiv id=\"What-is-idle-power-in-a-DC-AC-inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIdle power is the consumption of the inverter when it is on, but no loads are running. It is “wasted” power, so if you expect the inverter to be on for many hours during which there is very little load (as in most residential situations), you want this to be as low as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are Phantom and idling loads?\u003c\/h5\u003e\n\u003cp\u003eMost of the modern gadgets draw some power whenever they are plugged in. Some of them use power to do nothing at all. An example is a TV with a remote control. Its electric eye system is on day and night, watching for your signal to turn the screen on. Every appliance with an external wall-plug transformer uses power even when the appliance is turned off. These little loads are called “phantom loads” because their power draw is unexpected, unseen, and easily forgotten.\u003c\/p\u003e\n\u003cp\u003eA similar concern is “idling loads.” These are devices that must be on all the time in order to function when needed. These include smoke detectors, alarm systems, motion detector lights, fax machines, and answering machines. Central heating systems have a transformer in their thermostat circuit that stays on all the time. Cordless (rechargeable) appliances draw power even after their batteries reach a full charge. If in doubt, feel the device. If it’s warm, that indicates wasted energy.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eCan a standard DC-AC inverter be connected in parallel with another AC source\/ DC-AC inverter \/ electrical utility?\u003c\/h5\u003e\n\u003cdiv id=\"Can-a-standard-DC-AC-inverter-be-connected-in-parallel-with-another-AC-source-DC-AC-inverter-electrical-utility\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe AC output of standard inverters cannot be synchronised with another AC source and hence, it is not suitable for paralleling. The AC output of the inverter should never be connected directly to an electrical breaker panel \/ load center which is also fed from the utility power \/generator. Such a connection may result in parallel operation of the different power sources and AC power from the utility \/ generator will be fed back into the inverter which will instantly damage the output section of the inverter and may also pose a fire and safety hazard.\u003c\/p\u003e\n\u003cp\u003eIf an electrical breaker panel \/ load center is fed from an inverter and this panel is also required to be powered from additional alternate AC sources, the AC power from all the AC sources like the utility \/ generator \/ inverter should first be fed to a manual selector switch and the output of the selector switch should be connected to the electrical breaker panel \/ load center. To prevent possibility of paralleling and severe damage to the inverter, never use a simple jumper cable with a male plug on both ends to connect the AC output of the inverter to a handy wall receptacle in the home\/RV.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow can DC-AC inverters be connected to multi-wire branch circuits?\u003c\/h5\u003e\n\u003cdiv id=\"How-can-DC-AC-inverters-be-connected-to-multi-wire-branch-circuits\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eDo not directly connect the hot side of the inverter to the two hot legs of the 120 \/ 240 VAC electrical breaker panel \/ load centre where multi-wire ( common neutral ) branch circuit wiring method is used for distribution of AC power. This may lead to overloading\/overheating of the neutral conductor and is a risk of fire.\u003c\/p\u003e\n\u003cp\u003eA split phase transformer (isolated or auto-transformer ) of suitable wattage rating ( 25% more than the wattage rating of the inverter ) with primary of 120 VAC and secondary of 120 \/ 240 VAC ( Two 120 VAC split phases 180 degrees apart) should be used. The hot and neutral of the 120 VAC output of the inverter should be fed to the primary of this transformer and the 2 hot outputs (120 VAC split phases ) and the neutral from the secondary of this transformer should be connected to the electrical breaker panel\/ load centre.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to supply computer or printer loads?\u003c\/h5\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eComputers and Printers generally come with in-built switch-mode power supplies (see application notes and FAQs on switch mode power supplies (SMPS)) that have extremely low power factor on account of the extremely peaky and non-linear nature of the current drawn by them from the AC source. Hence for such loads we recommend using inverters with three times the advertised power consumption of the computer or printer loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is the difference between a 12V, 24V and 48V inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv id=\"What-is-the-difference-between-a-12V-24V-and-48V-inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eA 12-V can be fed from a 12V battery or DC supply. Similarly 24V and 48V inverters can be fed from 24V and 48V batteries\/DC power supplies, respectively. Cars usually have 12V batteries. Trucks have 24V batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c!-- notionvc: e123122f-62cb-44a0-a284-103690b0c8d2 --\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Samlex","offers":[{"title":"Default Title","offer_id":46576230072546,"sku":"PST-2000-12","price":798.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5090\/1474\/files\/PST-2000-12-1.jpg?v=1751453178"},{"product_id":"samlex-1500-watt-48v-pure-sine-wave-inverter","title":"Samlex PST 1500 Watt 48V Pure Sine Wave Inverter PST-1500-48","description":"\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003eSamlex 1500 Watt 48V Pure Sine Wave Inverter\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan data-mce-style=\"text-decoration: underline;\"\u003eDescription\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"o-product--description\"\u003e\n\u003cp\u003eThis high efficiency DC-AC inverter converts 48 Volts DC to 1500 Watts of pure sine-wave AC power at 120 Volts, 60 Hz. Features include built-in electronic GFCI, overload protection, low battery alarm \/ shut down, low idle power draw. AC power is available from a NEMA-20R GFCI duplex outlet on the front panel. FCC compliant.\u003c\/p\u003e\n\u003ch2 class=\"o-product-accordion--header j-accordion--toggle\"\u003eFeatures\u003cspan class=\"icon-divider o-product-accordion--arrow\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"o-product-accordion--body j-accordion--body\"\u003e\n\u003cul\u003e\n\u003cli\u003eHigh efficiency\u003c\/li\u003e\n\u003cli\u003e200% Surge Power\u003c\/li\u003e\n\u003cli\u003eCan be hard wired\u003c\/li\u003e\n\u003cli\u003eTemperature controlled cooling fan – reduces energy\u003c\/li\u003e\n\u003cli\u003econsumption\u003c\/li\u003e\n\u003cli\u003eLow RF emissions\u003c\/li\u003e\n\u003cli\u003eWide operating DC input range: 42.0 – 64.0 VDC\u003c\/li\u003e\n\u003cli\u003eCommercial grade design suitable for heavy duty loads, long\u003c\/li\u003e\n\u003cli\u003eperiods of continuous operation \u0026amp; for emergency back up\u003c\/li\u003e\n\u003cli\u003eUPC – Universal Protection Circuit: low voltage, over voltage,\u003c\/li\u003e\n\u003cli\u003eover temperature, over load and short circuit.\u003c\/li\u003e\n\u003cli\u003eLow idle power draw\u003c\/li\u003e\n\u003cli\u003eDuplex GFCI protected AC outlets\u003c\/li\u003e\n\u003cli\u003eFCC compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003eSamlex 1500 Watt 48V Pure Sine Wave Inverter \u003cmeta charset=\"utf-8\"\u003eProduct Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e42-64 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWatts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1500 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3000 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRC-300 (sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15.6 lbs \/ 7.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.35 x 18.43 x 4.16 in \/ 263 x 468.2 x 105.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFCC Part 15(B), Class B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003eProduct Manual\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003eSamlex 1500 Watt 48V Pure Sine Wave Inverter \u003cmeta charset=\"utf-8\"\u003eProduct Manual\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eSamlex Product Manual\u003c\/h2\u003e\n\u003ch2\u003eSamlex Specifications\u003c\/h2\u003e\n\u003ch2\u003eSamlex Feature Sheet\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan data-mce-style=\"text-decoration: underline;\"\u003eProduct Warranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2 class=\"o-product--description\"\u003e3 Years Limited Warranty\u003c\/h2\u003e\n\u003ch3 class=\"o-product--description\"\u003eProduct FAQs\u003c\/h3\u003e\n\u003ch5 class=\"o-product--description\"\u003eWhat is a Pure Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-product--description\"\u003eThe output voltage of a sine wave inverter has a sine wave form like the sine wave form of the mains \/ utility voltage. In a sine wave, the voltage rises and falls smoothly with a smoothly changing phase angle and also changes its polarity instantly when it crosses 0 Volts.\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cdiv id=\"What-are-the-advantages-of-Pure-Sine-Wave-inverters\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"What-is-a-Modified-Sine-Wave-Inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIn a modified sine wave, the voltage rises and falls abruptly, the phase angle also changes abruptly and it sits at 0 Volts for some time before changing its polarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv id=\"Which-devices-will-not-function-properly-from-a-Modified-Sine-Wave-Inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhich devices will not function properly from a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eAny device that uses a control circuitry that senses the phase (for voltage \/ speed control) or instantaneous zero voltage crossing (for timing control) will not work properly from a voltage that has a modified sine wave-form. Also, as the modified sine wave is a form of square wave, it is comprised of multiple sine waves of odd harmonics (multiples) of the fundamental frequency of the modified sine wave. For example, a 60 Hz. modified sine wave will consist of sine waves with odd harmonic frequencies of 3rd (180 Hz), 5th (300 Hz.), 7th (420 Hz.) and so on. The high frequency harmonic content in a modified sine wave produces enhanced radio interference, higher heating effect in motors \/ microwaves and produces overloading due to lowering of the impedance of low frequency filter capacitors \/ power factor improvement capacitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSome examples of devices that may not work properly with modified sine wave and may also get damaged are given below\u003c\/em\u003e\u003c\/p\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli\u003eLaser printers, photocopiers, magneto-optical hard drives\u003c\/li\u003e\n\u003cli\u003eThe built-in clocks in devices such as clock radios, alarm clocks, coffee makers, bread-makers, VCR, microwave ovens etc may not keep time correctly\u003c\/li\u003e\n\u003cli\u003eOutput voltage control devices like dimmers, ceiling fan \/ motor speed control may not work properly (dimming \/ speed control may not function)\u003c\/li\u003e\n\u003cli\u003eSewing machines with speed \/ microprocessor control\u003c\/li\u003e\n\u003cli\u003eTransformer-less capacitive input powered devices like (i) Razors, flashlights, night-lights, smoke detectors etc (ii) Re-chargers for battery packs used in hand power tools.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eDevices that use radio frequency signals carried by the AC distribution wiring\u003c\/li\u003e\n\u003cli\u003eSome new furnaces with microprocessor control \/ Oil burner primary controls\u003c\/li\u003e\n\u003cli\u003eHigh intensity discharge (HID) lamps like Metal Halide lamps.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eSome fluorescent lamps \/ light fixtures that have power factor correction capacitors.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThe inverter may shut down indicating overload\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a DC-AC inverter?\u003c\/h5\u003e\n\u003cp\u003eWhen you plug anything into the wall in your home you are usually “plugging in” to the power-grid provided as a service by your utility company. Your utility company supplies you with alternating current (AC) electricity. AC electricity flows in alternate directions many times per second. AC is used for utility grid service because it is more practical for long distance transmission.\u003c\/p\u003e\n\u003cp\u003eBatteries provide direct current electricity (DC) electricity which flows in a single direction.  DC power is what is used in many electronics in the home like laptops, solar cells, LED bulbs, and electric vehicles.  They usually have built-in converters to take the AC power received from a plug-in and convert it to DC.\u003c\/p\u003e\n\u003cp\u003eAn inverter (converter) acts as a power adapter as it converts DC to AC,  AC to DC, and can also change the voltage. It allows a battery-based system to run conventional AC appliances directly or through conventional home wiring.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the criteria for selecting the right inverter for a particular application?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-the-criteria-for-selecting-the-right-inverter-for-a-particular-application\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eTo choose an inverter; you should first define your needs. Where is the inverter to be used? Inverters are available for use in buildings (including homes), for recreational vehicles, boats, and portable applications. Will it be connected to the utility grid in some way? Electrical conventions and safety standards differ for various applications, so don’t improvise.\u003c\/p\u003e\n\u003cp\u003eWhen sizing an inverter, you need to take into consideration both the\u003cstrong\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003erunning power\u003c\/em\u003e\u003c\/strong\u003e \u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cstrong\u003e(continuous)\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eand the additional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cem\u003estarting surge power\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements of the AC side loads.\u003c\/p\u003e\n\u003cp\u003eSome loads require much higher starting surge power for the first few seconds before settling down at the running power. The inverter should be sized on the basis of the starting surge power of the AC side load. The total starting surge power is equal to the normal running power plus the additional starting power. The following symbols and equation will be used for explanation purposes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRunning Power, Watts – \u003cstrong\u003eWr\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdditional Starting Power or Additional Continuous Power, Watts – \u003cstrong\u003eWa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Starting Surge Power, Watts = Running Power (\u003cstrong\u003eWr\u003c\/strong\u003e) + Additional Starting Power \/ Additional Continuous Power (\u003cstrong\u003eWa\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe specifications of inverters may include a rating termed Surge Power. Normally, the duration of this Surge Power rating is not quantified in the specifications and is assumed to last for less than 1 second. Unless the Surge Power Rating of the inverter is specified to last for \u0026gt; 5 seconds, this Surge Power specification of the inverter should not be considered for purposes of sizing loads with high and prolonged starting surge power.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOnly the Continuous Power rating of the inverter should be considered in such cases\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eElectric motor driven compressor\/pump based loads like refrigerators\/freezers, air conditioners, air compressors, sump and well pumps, etc. require a very high Starting Surge Power of around 5 to 7 times the Running Power for the initial start up. This Starting Surge Power may last for 2 to 5 seconds.  The Additional Starting Power\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 4 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSwitched Mode Power Supplies (SMPS) that do not have Power Factor correction draw a non linear, pulsing current with a high Crest Factor (Ratio of instantaneous value and the RMS value) that may reach a value of 4. Also, the effective Power Factor of these types of power supplies is very low around 0.6. If the inverter is sized based on the Running Power of these units, the inverter will be continuously overloaded from instant to instant due to the higher peaks of the pulsing current. The inverter for these units should be sized at 3 times the Running Power of the power supply. Alternatively, for sizing purposes, the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Consumer electronics like computers, TV, VCR, audio\/ video devices, etc. use this type of power supply.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(Please note that this sizing is not applicable if the SMPS has Power Factor correction and the Power Factor is around 0.9)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMotors used in washing machines have to start under load due to the weight of the clothes, water and the drum. Hence, the Additional Starting Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. This starting power normally lasts from 2 to 5 seconds.\u003c\/p\u003e\n\u003cp\u003eThe Watt rating of the microwaves normally indicates output cooking power in Watts. As the microwave is not an efficient device, the AC input power in Watts should be taken as 2 times the output cooking power in Watts i.e. the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 1 time the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Hence, a microwave with 900 Watt cooking power will require an 1800 Watt inverter. \u003cstrong\u003e(If the power rating of the inverter is indicated as the AC input power in Watts, the factor of 2 is not applicable).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe following symbols and equations are used in the sizing of an inverter example below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Running Power of the items selected, Watts – \u003cstrong\u003eWrt\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHighest Additional Starting Power out of the items selected, Watts – \u003cstrong\u003eWah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e*Highest power for sizing purpose, Watts – \u003cstrong\u003eWrt + Wah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e* It is assumed that only one out of the selected items starts at one time\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSince the AC loads rarely start at the same time, the load with the highest Additional Starting Power \u003cstrong\u003eWah\u003c\/strong\u003e has been factored in.\u003c\/p\u003e\n\u003cp\u003eExample:\u003cbr\u003e\u003c\/p\u003e\n\u003ctable id=\"tablepress-15\" class=\"tablepress tablepress-id-15 tablepress-responsive\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eRunning Power, Wr, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003eAdditional\u003cbr\u003eStarting Power or Additional Continuous Power *, Wa, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003eQuantity\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003eExtended\u003cbr\u003eRunning Power, Wt, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator – Electric Compressor based\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e800\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eColor TV\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e450\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eLaptop Adapter\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e240\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIncandescent Lamps\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e60\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e0\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e6\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e360\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*\u003c\/strong\u003e \u003cem\u003eAdditional Continuous Power is applicable to SMPS based loads that have no Power Factor Correction.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTotal Extended Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e = 200 + 225 + 120 + 360 = \u003cstrong\u003e905\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e = \u003cstrong\u003e800\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Power for sizing the inverter = Total Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e(905 W) + Highest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e (800 W) = \u003cstrong\u003e1705\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the electrical standards pertaining to DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThe DC input voltage must conform to that of the electrical system and battery bank. 12 volts is recommended for small, simple systems. 24 and 48 volts are the common standards for higher capacities. A higher voltage system carries less current, which makes the system wiring cheaper and easier.\u003c\/p\u003e\n\u003cp\u003eThe inverter’s AC output must conform to the conventional power in the region to run locally available appliances. The standard for AC utility service in North America is 120 and 240 Volts at a frequency of 60 Hertz (cycles per second). In Europe, South America, and most other places, it is 230 volts at 50 Hertz.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are \"continuous\" and \"surge\" power capacity ratings for DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-continuous-and-surge-power-capacity-ratings-for-DC-AC-inverters\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eHow much load can an inverter handle? Its power output is rated in Watts.  There are two levels of power rating -a continuous rating and a surge rating. Continuous means the amount of power the inverter can handle for an indefinite period of hours. When an inverter is rated at a certain number of Watts, that number generally refers to its continuous rating. The “surge power” indicates the power to handle instantaneous overload of a few seconds to provide the higher power required to start certain type of devices and appliances.  Resistive types of loads (like incandescent lamps, toaster, coffee maker, electric range, iron etc) do not require extra power to start. Their starting power is the same as their running power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow do \"surge power\" electrical loads affect DC-AC inverter operation?\u003c\/h5\u003e\n\u003cp\u003eIf an inverter cannot efficiently feed the surge power, it may simply shut down instead of starting the device. If the inverter’s surge capacity is marginal, its output voltage will dip during the surge. This can cause a dimming of the lights in the house, and will sometimes crash a computer.\u003c\/p\u003e\n\u003cp\u003eAny weakness in the battery and cabling to the inverter will further limit its ability to start a motor. A battery bank that is undersized, in poor condition, or has corroded connections, can be a weak link in the power chain. The inverter cables and the battery interconnect cables must be sized properly. The spike of DC current through these cables is many hundreds of amps at the instant of a motor starting for example.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter for loads that require starting surge?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-for-loads-that-require-starting-surge\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eObserve the following guideline to determine the continuous wattage of the inverter for powering loads that require starting surge. (Multiply the running watts of the device\/appliance by the Surge Factor)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e The surge power rating specified for this inverter is valid for duration of less than 1 second. This very short duration may not be sufficient to start motor based loads which may require up to 5 seconds to complete starting process. Hence, for purposes of sizing the inverter, use only the continuous power rating of this inverter.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable id=\"tablepress-16\" class=\"tablepress tablepress-id-16 tablepress-responsive\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eSurge Factor\u003cbr\u003e(No. of times the running power rating of the device\/appliance)\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator \/ Freezer\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e5\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eAir Compressors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e4\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDishwasher\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eSump pump\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-6 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eFurnace fans\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIndustrial motors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-8 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eCircular saw\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-9 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eBench Grinder\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-10 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003ePortable diesel \/ kerosene fuel heater\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e2\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to operate a microwave?\u003c\/h5\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe power rating of the microwave generally refers to the cooking power. The electrical power consumed by the microwave will be approximately 2 times the cooking power. The “surge power” of the inverter should be 2 times the electrical power (i.e., 4 times the cooking power). Please note that the surge power of the microwave is not as long as the motor load and hence, the surge power of the inverter can be considered to determine adequacy of meeting the starting surge power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to power a water supply pump?\u003c\/h5\u003e\n\u003cp\u003eA water well or pressure pump often places the greatest demand on the inverter. It warrants special consideration. Most pumps draw a very high surge of current during start up. The inverter must have sufficient surge capacity to handle it while running any other loads that may be on. It is important to size an inverter sufficiently, especially to handle the starting surge (If the exact starting rating is not available, the starting surge can be taken as 3 times the normal running rating of the pump). Oversize it still further if you want it to start the pump without causing lights to dim or blink.\u003c\/p\u003e\n\u003cp\u003eIn North America, most pumps (especially submersibles) run on 240 VAC, while smaller appliances and lights use 120 VAC. To obtain 240 VAC from a 120 VAC inverter, use a 120 VAC to 240 VAC transformer. If you do not already have a pump installed, you can get a 120 volt pump if you don’t need more than 1\/2 HP.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is \"idle power\" in a DC-AC inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-idle-power-in-a-DC-AC-inverter\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIdle power is the consumption of the inverter when it is on, but no loads are running. It is “wasted” power, so if you expect the inverter to be on for many hours during which there is very little load (as in most residential situations), you want this to be as low as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are Phantom and idling loads?\u003c\/h5\u003e\n\u003cp\u003eMost of the modern gadgets draw some power whenever they are plugged in. Some of them use power to do nothing at all. An example is a TV with a remote control. Its electric eye system is on day and night, watching for your signal to turn the screen on. Every appliance with an external wall-plug transformer uses power even when the appliance is turned off. These little loads are called “phantom loads” because their power draw is unexpected, unseen, and easily forgotten.\u003c\/p\u003e\n\u003cp\u003eA similar concern is “idling loads.” These are devices that must be on all the time in order to function when needed. These include smoke detectors, alarm systems, motion detector lights, fax machines, and answering machines. Central heating systems have a transformer in their thermostat circuit that stays on all the time. Cordless (rechargeable) appliances draw power even after their batteries reach a full charge. If in doubt, feel the device. If it’s warm, that indicates wasted energy.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eCan a standard DC-AC inverter be connected in parallel with another AC source\/ DC-AC inverter \/ electrical utility?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"Can-a-standard-DC-AC-inverter-be-connected-in-parallel-with-another-AC-source-DC-AC-inverter-electrical-utility\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe AC output of standard inverters cannot be synchronised with another AC source and hence, it is not suitable for paralleling. The AC output of the inverter should never be connected directly to an electrical breaker panel \/ load center which is also fed from the utility power \/generator. Such a connection may result in parallel operation of the different power sources and AC power from the utility \/ generator will be fed back into the inverter which will instantly damage the output section of the inverter and may also pose a fire and safety hazard.\u003c\/p\u003e\n\u003cp\u003eIf an electrical breaker panel \/ load center is fed from an inverter and this panel is also required to be powered from additional alternate AC sources, the AC power from all the AC sources like the utility \/ generator \/ inverter should first be fed to a manual selector switch and the output of the selector switch should be connected to the electrical breaker panel \/ load center. To prevent possibility of paralleling and severe damage to the inverter, never use a simple jumper cable with a male plug on both ends to connect the AC output of the inverter to a handy wall receptacle in the home\/RV.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow can DC-AC inverters be connected to multi-wire branch circuits?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-can-DC-AC-inverters-be-connected-to-multi-wire-branch-circuits\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eDo not directly connect the hot side of the inverter to the two hot legs of the 120 \/ 240 VAC electrical breaker panel \/ load centre where multi-wire ( common neutral ) branch circuit wiring method is used for distribution of AC power. This may lead to overloading\/overheating of the neutral conductor and is a risk of fire.\u003c\/p\u003e\n\u003cp\u003eA split phase transformer (isolated or auto-transformer ) of suitable wattage rating ( 25% more than the wattage rating of the inverter ) with primary of 120 VAC and secondary of 120 \/ 240 VAC ( Two 120 VAC split phases 180 degrees apart) should be used. The hot and neutral of the 120 VAC output of the inverter should be fed to the primary of this transformer and the 2 hot outputs (120 VAC split phases ) and the neutral from the secondary of this transformer should be connected to the electrical breaker panel\/ load centre.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to supply computer or printer loads?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eComputers and Printers generally come with in-built switch-mode power supplies (see application notes and FAQs on switch mode power supplies (SMPS)) that have extremely low power factor on account of the extremely peaky and non-linear nature of the current drawn by them from the AC source. Hence for such loads we recommend using inverters with three times the advertised power consumption of the computer or printer loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is the difference between a 12V, 24V and 48V inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-the-difference-between-a-12V-24V-and-48V-inverter\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eA 12-V can be fed from a 12V battery or DC supply. Similarly 24V and 48V inverters can be fed from 24V and 48V batteries\/DC power supplies, respectively. Cars usually have 12V batteries. Trucks have 24V batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c!-- notionvc: 4db40aa5-1dcf-4a74-a1de-1ce31577c005 --\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Samlex","offers":[{"title":"Default Title","offer_id":46576230138082,"sku":"PST-1500-48","price":649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5090\/1474\/files\/PST-1500-48-1.jpg?v=1751453186"},{"product_id":"samlex-1500-watt-24v-pure-sine-wave-inverter","title":"Samlex PST 1500 Watt 24V Pure Sine Wave Inverter PST-1500-24","description":"\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003eSamlex 1500 Watt 24V Pure Sine Wave Inverter\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan data-mce-style=\"text-decoration: underline;\"\u003eDescription\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eThis high efficiency DC-AC inverter converts 24 Volts DC to 1500 Watts of pure sine-wave AC power at 120 Volts, 60 Hz. Features include overload protection, low battery alarm \/ shut down, low idle power draw. AC power is available from a NEMA-20R GFCI duplex outlet on the front panel. Safety certified to UL standards.\u003c\/p\u003e\n\u003cp\u003eAlso available in\u003cspan\u003e \u003c\/span\u003e24V,\u003cspan\u003e \u003c\/span\u003e48V\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003enon-remote\u003cspan\u003e \u003c\/span\u003emodels\u003c\/p\u003e\n\u003cp\u003eOptional remote control (sold separately): Model\u003cspan\u003e \u003c\/span\u003eRC-300\u003c\/p\u003e\n\u003ch2 class=\"o-product-accordion--header j-accordion--toggle\"\u003eFeatures\u003cspan class=\"icon-divider o-product-accordion--arrow\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"o-product-accordion--body j-accordion--body\"\u003e\n\u003cul\u003e\n\u003cli\u003eHigh efficiency\u003c\/li\u003e\n\u003cli\u003eCan be hard wired\u003c\/li\u003e\n\u003cli\u003eTemperature controlled cooling fan – reduces energy consumption\u003c\/li\u003e\n\u003cli\u003eLow interference\u003c\/li\u003e\n\u003cli\u003eWide operating DC input range: 21.4 – 33.0 VDC\u003c\/li\u003e\n\u003cli\u003eCommercial grade design suitable for heavy duty loads, long periods of continuous operation \u0026amp; for emergency back up\u003c\/li\u003e\n\u003cli\u003eUPC – Universal Protection Circuit: low voltage, over voltage, over temperature, over load and short circuit\u003c\/li\u003e\n\u003cli\u003eLow idle power draw\u003c\/li\u003e\n\u003cli\u003eDual GFCI protected AC outlets\u003c\/li\u003e\n\u003cli\u003eOptional remote control (sold separately): Model\u003cspan\u003e \u003c\/span\u003eRC-300\u003c\/li\u003e\n\u003cli\u003eSafety certified to UL standards, FCC compliant\u003c\/li\u003e\n\u003cli\u003eRemote Input – Turn inverter ON or OFF with ignition start or any other Remote ON\/OFF switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003eSamlex 1500 Watt 24V Pure Sine Wave Inverter \u003cmeta charset=\"utf-8\"\u003eProduct Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWatts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1500 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3000 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRC-300 sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15.6 lbs \/ 7.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.35 x 18.43 x 4.16 in \/ 263 x 468.2 x 105.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eETL to UL Standards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003e\u003c!-- notionvc: 6ddfa2b7-c869-42a7-bb98-98f542e2766f --\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-mce-style=\"text-decoration: underline;\"\u003eProduct Manual\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003eSamlex 1500 Watt 24V Pure Sine Wave Inverter \u003cmeta charset=\"utf-8\"\u003eProduct Manual\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eSamlex Product Manual\u003c\/h2\u003e\n\u003ch2\u003eSamlex Specifications\u003c\/h2\u003e\n\u003ch2\u003eSamlex Feature Sheet\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan data-mce-style=\"text-decoration: underline;\"\u003eProduct Warranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2 class=\"o-product--description\"\u003e3 Years Limited Warranty\u003c\/h2\u003e\n\u003ch3 class=\"o-product--description\"\u003eProduct FAQs\u003c\/h3\u003e\n\u003ch5 class=\"o-product--description\"\u003eWhat is a Pure Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-product--description\"\u003eThe output voltage of a sine wave inverter has a sine wave form like the sine wave form of the mains \/ utility voltage. In a sine wave, the voltage rises and falls smoothly with a smoothly changing phase angle and also changes its polarity instantly when it crosses 0 Volts.\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-the-advantages-of-Pure-Sine-Wave-inverters\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-a-Modified-Sine-Wave-Inverter\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIn a modified sine wave, the voltage rises and falls abruptly, the phase angle also changes abruptly and it sits at 0 Volts for some time before changing its polarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"Which-devices-will-not-function-properly-from-a-Modified-Sine-Wave-Inverter\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhich devices will not function properly from a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eAny device that uses a control circuitry that senses the phase (for voltage \/ speed control) or instantaneous zero voltage crossing (for timing control) will not work properly from a voltage that has a modified sine wave-form. Also, as the modified sine wave is a form of square wave, it is comprised of multiple sine waves of odd harmonics (multiples) of the fundamental frequency of the modified sine wave. For example, a 60 Hz. modified sine wave will consist of sine waves with odd harmonic frequencies of 3rd (180 Hz), 5th (300 Hz.), 7th (420 Hz.) and so on. The high frequency harmonic content in a modified sine wave produces enhanced radio interference, higher heating effect in motors \/ microwaves and produces overloading due to lowering of the impedance of low frequency filter capacitors \/ power factor improvement capacitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSome examples of devices that may not work properly with modified sine wave and may also get damaged are given below\u003c\/em\u003e\u003c\/p\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli\u003eLaser printers, photocopiers, magneto-optical hard drives\u003c\/li\u003e\n\u003cli\u003eThe built-in clocks in devices such as clock radios, alarm clocks, coffee makers, bread-makers, VCR, microwave ovens etc may not keep time correctly\u003c\/li\u003e\n\u003cli\u003eOutput voltage control devices like dimmers, ceiling fan \/ motor speed control may not work properly (dimming \/ speed control may not function)\u003c\/li\u003e\n\u003cli\u003eSewing machines with speed \/ microprocessor control\u003c\/li\u003e\n\u003cli\u003eTransformer-less capacitive input powered devices like (i) Razors, flashlights, night-lights, smoke detectors etc (ii) Re-chargers for battery packs used in hand power tools.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eDevices that use radio frequency signals carried by the AC distribution wiring\u003c\/li\u003e\n\u003cli\u003eSome new furnaces with microprocessor control \/ Oil burner primary controls\u003c\/li\u003e\n\u003cli\u003eHigh intensity discharge (HID) lamps like Metal Halide lamps.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eSome fluorescent lamps \/ light fixtures that have power factor correction capacitors.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThe inverter may shut down indicating overload\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a DC-AC inverter?\u003c\/h5\u003e\n\u003cp\u003eWhen you plug anything into the wall in your home you are usually “plugging in” to the power-grid provided as a service by your utility company. Your utility company supplies you with alternating current (AC) electricity. AC electricity flows in alternate directions many times per second. AC is used for utility grid service because it is more practical for long distance transmission.\u003c\/p\u003e\n\u003cp\u003eBatteries provide direct current electricity (DC) electricity which flows in a single direction.  DC power is what is used in many electronics in the home like laptops, solar cells, LED bulbs, and electric vehicles.  They usually have built-in converters to take the AC power received from a plug-in and convert it to DC.\u003c\/p\u003e\n\u003cp\u003eAn inverter (converter) acts as a power adapter as it converts DC to AC,  AC to DC, and can also change the voltage. It allows a battery-based system to run conventional AC appliances directly or through conventional home wiring.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the criteria for selecting the right inverter for a particular application?\u003c\/h5\u003e\n\u003cdiv id=\"What-are-the-criteria-for-selecting-the-right-inverter-for-a-particular-application\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eTo choose an inverter; you should first define your needs. Where is the inverter to be used? Inverters are available for use in buildings (including homes), for recreational vehicles, boats, and portable applications. Will it be connected to the utility grid in some way? Electrical conventions and safety standards differ for various applications, so don’t improvise.\u003c\/p\u003e\n\u003cp\u003eWhen sizing an inverter, you need to take into consideration both the\u003cstrong\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003erunning power\u003c\/em\u003e\u003c\/strong\u003e \u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cstrong\u003e(continuous)\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eand the additional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cem\u003estarting surge power\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements of the AC side loads.\u003c\/p\u003e\n\u003cp\u003eSome loads require much higher starting surge power for the first few seconds before settling down at the running power. The inverter should be sized on the basis of the starting surge power of the AC side load. The total starting surge power is equal to the normal running power plus the additional starting power. The following symbols and equation will be used for explanation purposes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRunning Power, Watts – \u003cstrong\u003eWr\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdditional Starting Power or Additional Continuous Power, Watts – \u003cstrong\u003eWa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Starting Surge Power, Watts = Running Power (\u003cstrong\u003eWr\u003c\/strong\u003e) + Additional Starting Power \/ Additional Continuous Power (\u003cstrong\u003eWa\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe specifications of inverters may include a rating termed Surge Power. Normally, the duration of this Surge Power rating is not quantified in the specifications and is assumed to last for less than 1 second. Unless the Surge Power Rating of the inverter is specified to last for \u0026gt; 5 seconds, this Surge Power specification of the inverter should not be considered for purposes of sizing loads with high and prolonged starting surge power.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOnly the Continuous Power rating of the inverter should be considered in such cases\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eElectric motor driven compressor\/pump based loads like refrigerators\/freezers, air conditioners, air compressors, sump and well pumps, etc. require a very high Starting Surge Power of around 5 to 7 times the Running Power for the initial start up. This Starting Surge Power may last for 2 to 5 seconds.  The Additional Starting Power\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 4 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSwitched Mode Power Supplies (SMPS) that do not have Power Factor correction draw a non linear, pulsing current with a high Crest Factor (Ratio of instantaneous value and the RMS value) that may reach a value of 4. Also, the effective Power Factor of these types of power supplies is very low around 0.6. If the inverter is sized based on the Running Power of these units, the inverter will be continuously overloaded from instant to instant due to the higher peaks of the pulsing current. The inverter for these units should be sized at 3 times the Running Power of the power supply. Alternatively, for sizing purposes, the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Consumer electronics like computers, TV, VCR, audio\/ video devices, etc. use this type of power supply.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(Please note that this sizing is not applicable if the SMPS has Power Factor correction and the Power Factor is around 0.9)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMotors used in washing machines have to start under load due to the weight of the clothes, water and the drum. Hence, the Additional Starting Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. This starting power normally lasts from 2 to 5 seconds.\u003c\/p\u003e\n\u003cp\u003eThe Watt rating of the microwaves normally indicates output cooking power in Watts. As the microwave is not an efficient device, the AC input power in Watts should be taken as 2 times the output cooking power in Watts i.e. the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 1 time the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Hence, a microwave with 900 Watt cooking power will require an 1800 Watt inverter. \u003cstrong\u003e(If the power rating of the inverter is indicated as the AC input power in Watts, the factor of 2 is not applicable).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe following symbols and equations are used in the sizing of an inverter example below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Running Power of the items selected, Watts – \u003cstrong\u003eWrt\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHighest Additional Starting Power out of the items selected, Watts – \u003cstrong\u003eWah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e*Highest power for sizing purpose, Watts – \u003cstrong\u003eWrt + Wah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e* It is assumed that only one out of the selected items starts at one time\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSince the AC loads rarely start at the same time, the load with the highest Additional Starting Power \u003cstrong\u003eWah\u003c\/strong\u003e has been factored in.\u003c\/p\u003e\n\u003cp\u003eExample:\u003cbr\u003e\u003c\/p\u003e\n\u003ctable class=\"tablepress tablepress-id-15 tablepress-responsive\" id=\"tablepress-15\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eRunning Power, Wr, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003eAdditional\u003cbr\u003eStarting Power or Additional Continuous Power *, Wa, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003eQuantity\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003eExtended\u003cbr\u003eRunning Power, Wt, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator – Electric Compressor based\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e800\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eColor TV\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e450\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eLaptop Adapter\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e240\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIncandescent Lamps\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e60\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e0\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e6\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e360\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*\u003c\/strong\u003e \u003cem\u003eAdditional Continuous Power is applicable to SMPS based loads that have no Power Factor Correction.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTotal Extended Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e = 200 + 225 + 120 + 360 = \u003cstrong\u003e905\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e = \u003cstrong\u003e800\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Power for sizing the inverter = Total Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e(905 W) + Highest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e (800 W) = \u003cstrong\u003e1705\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the electrical standards pertaining to DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThe DC input voltage must conform to that of the electrical system and battery bank. 12 volts is recommended for small, simple systems. 24 and 48 volts are the common standards for higher capacities. A higher voltage system carries less current, which makes the system wiring cheaper and easier.\u003c\/p\u003e\n\u003cp\u003eThe inverter’s AC output must conform to the conventional power in the region to run locally available appliances. The standard for AC utility service in North America is 120 and 240 Volts at a frequency of 60 Hertz (cycles per second). In Europe, South America, and most other places, it is 230 volts at 50 Hertz.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are \"continuous\" and \"surge\" power capacity ratings for DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv id=\"What-are-continuous-and-surge-power-capacity-ratings-for-DC-AC-inverters\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eHow much load can an inverter handle? Its power output is rated in Watts.  There are two levels of power rating -a continuous rating and a surge rating. Continuous means the amount of power the inverter can handle for an indefinite period of hours. When an inverter is rated at a certain number of Watts, that number generally refers to its continuous rating. The “surge power” indicates the power to handle instantaneous overload of a few seconds to provide the higher power required to start certain type of devices and appliances.  Resistive types of loads (like incandescent lamps, toaster, coffee maker, electric range, iron etc) do not require extra power to start. Their starting power is the same as their running power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow do \"surge power\" electrical loads affect DC-AC inverter operation?\u003c\/h5\u003e\n\u003cp\u003eIf an inverter cannot efficiently feed the surge power, it may simply shut down instead of starting the device. If the inverter’s surge capacity is marginal, its output voltage will dip during the surge. This can cause a dimming of the lights in the house, and will sometimes crash a computer.\u003c\/p\u003e\n\u003cp\u003eAny weakness in the battery and cabling to the inverter will further limit its ability to start a motor. A battery bank that is undersized, in poor condition, or has corroded connections, can be a weak link in the power chain. The inverter cables and the battery interconnect cables must be sized properly. The spike of DC current through these cables is many hundreds of amps at the instant of a motor starting for example.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter for loads that require starting surge?\u003c\/h5\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-for-loads-that-require-starting-surge\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eObserve the following guideline to determine the continuous wattage of the inverter for powering loads that require starting surge. (Multiply the running watts of the device\/appliance by the Surge Factor)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e The surge power rating specified for this inverter is valid for duration of less than 1 second. This very short duration may not be sufficient to start motor based loads which may require up to 5 seconds to complete starting process. Hence, for purposes of sizing the inverter, use only the continuous power rating of this inverter.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable class=\"tablepress tablepress-id-16 tablepress-responsive\" id=\"tablepress-16\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eSurge Factor\u003cbr\u003e(No. of times the running power rating of the device\/appliance)\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator \/ Freezer\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e5\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eAir Compressors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e4\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDishwasher\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eSump pump\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-6 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eFurnace fans\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIndustrial motors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-8 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eCircular saw\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-9 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eBench Grinder\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-10 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003ePortable diesel \/ kerosene fuel heater\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e2\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to operate a microwave?\u003c\/h5\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe power rating of the microwave generally refers to the cooking power. The electrical power consumed by the microwave will be approximately 2 times the cooking power. The “surge power” of the inverter should be 2 times the electrical power (i.e., 4 times the cooking power). Please note that the surge power of the microwave is not as long as the motor load and hence, the surge power of the inverter can be considered to determine adequacy of meeting the starting surge power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to power a water supply pump?\u003c\/h5\u003e\n\u003cp\u003eA water well or pressure pump often places the greatest demand on the inverter. It warrants special consideration. Most pumps draw a very high surge of current during start up. The inverter must have sufficient surge capacity to handle it while running any other loads that may be on. It is important to size an inverter sufficiently, especially to handle the starting surge (If the exact starting rating is not available, the starting surge can be taken as 3 times the normal running rating of the pump). Oversize it still further if you want it to start the pump without causing lights to dim or blink.\u003c\/p\u003e\n\u003cp\u003eIn North America, most pumps (especially submersibles) run on 240 VAC, while smaller appliances and lights use 120 VAC. To obtain 240 VAC from a 120 VAC inverter, use a 120 VAC to 240 VAC transformer. If you do not already have a pump installed, you can get a 120 volt pump if you don’t need more than 1\/2 HP.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is \"idle power\" in a DC-AC inverter?\u003c\/h5\u003e\n\u003cdiv id=\"What-is-idle-power-in-a-DC-AC-inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIdle power is the consumption of the inverter when it is on, but no loads are running. It is “wasted” power, so if you expect the inverter to be on for many hours during which there is very little load (as in most residential situations), you want this to be as low as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are Phantom and idling loads?\u003c\/h5\u003e\n\u003cp\u003eMost of the modern gadgets draw some power whenever they are plugged in. Some of them use power to do nothing at all. An example is a TV with a remote control. Its electric eye system is on day and night, watching for your signal to turn the screen on. Every appliance with an external wall-plug transformer uses power even when the appliance is turned off. These little loads are called “phantom loads” because their power draw is unexpected, unseen, and easily forgotten.\u003c\/p\u003e\n\u003cp\u003eA similar concern is “idling loads.” These are devices that must be on all the time in order to function when needed. These include smoke detectors, alarm systems, motion detector lights, fax machines, and answering machines. Central heating systems have a transformer in their thermostat circuit that stays on all the time. Cordless (rechargeable) appliances draw power even after their batteries reach a full charge. If in doubt, feel the device. If it’s warm, that indicates wasted energy.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eCan a standard DC-AC inverter be connected in parallel with another AC source\/ DC-AC inverter \/ electrical utility?\u003c\/h5\u003e\n\u003cdiv id=\"Can-a-standard-DC-AC-inverter-be-connected-in-parallel-with-another-AC-source-DC-AC-inverter-electrical-utility\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe AC output of standard inverters cannot be synchronised with another AC source and hence, it is not suitable for paralleling. The AC output of the inverter should never be connected directly to an electrical breaker panel \/ load center which is also fed from the utility power \/generator. Such a connection may result in parallel operation of the different power sources and AC power from the utility \/ generator will be fed back into the inverter which will instantly damage the output section of the inverter and may also pose a fire and safety hazard.\u003c\/p\u003e\n\u003cp\u003eIf an electrical breaker panel \/ load center is fed from an inverter and this panel is also required to be powered from additional alternate AC sources, the AC power from all the AC sources like the utility \/ generator \/ inverter should first be fed to a manual selector switch and the output of the selector switch should be connected to the electrical breaker panel \/ load center. To prevent possibility of paralleling and severe damage to the inverter, never use a simple jumper cable with a male plug on both ends to connect the AC output of the inverter to a handy wall receptacle in the home\/RV.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow can DC-AC inverters be connected to multi-wire branch circuits?\u003c\/h5\u003e\n\u003cdiv id=\"How-can-DC-AC-inverters-be-connected-to-multi-wire-branch-circuits\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eDo not directly connect the hot side of the inverter to the two hot legs of the 120 \/ 240 VAC electrical breaker panel \/ load centre where multi-wire ( common neutral ) branch circuit wiring method is used for distribution of AC power. This may lead to overloading\/overheating of the neutral conductor and is a risk of fire.\u003c\/p\u003e\n\u003cp\u003eA split phase transformer (isolated or auto-transformer ) of suitable wattage rating ( 25% more than the wattage rating of the inverter ) with primary of 120 VAC and secondary of 120 \/ 240 VAC ( Two 120 VAC split phases 180 degrees apart) should be used. The hot and neutral of the 120 VAC output of the inverter should be fed to the primary of this transformer and the 2 hot outputs (120 VAC split phases ) and the neutral from the secondary of this transformer should be connected to the electrical breaker panel\/ load centre.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to supply computer or printer loads?\u003c\/h5\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eComputers and Printers generally come with in-built switch-mode power supplies (see application notes and FAQs on switch mode power supplies (SMPS)) that have extremely low power factor on account of the extremely peaky and non-linear nature of the current drawn by them from the AC source. Hence for such loads we recommend using inverters with three times the advertised power consumption of the computer or printer loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is the difference between a 12V, 24V and 48V inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv id=\"What-is-the-difference-between-a-12V-24V-and-48V-inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eA 12-V can be fed from a 12V battery or DC supply. Similarly 24V and 48V inverters can be fed from 24V and 48V batteries\/DC power supplies, respectively. Cars usually have 12V batteries. Trucks have 24V batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Samlex","offers":[{"title":"Default Title","offer_id":46576230301922,"sku":"PST-1500-24","price":650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5090\/1474\/files\/PST-1500-24-1.jpg?v=1751453199"},{"product_id":"samlex-1500-watt-12v-pure-sine-wave-inverter","title":"Samlex PST 1500 Watt 12V Pure Sine Wave Inverter PST-1500-12","description":"\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 1500 Watt 12V Pure Sine Wave Inverter\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eThis high efficiency DC-AC inverter converts 12 Volts DC to 1500 Watts of pure sine-wave AC power at 120 Volts, 60 Hz. Features include overload protection, low battery alarm \/ shut down, low idle power draw. AC power is available from a NEMA-20R GFCI duplex outlet on the front panel, the unit is also hard wire capable. Safety certified to UL and CSA standards, FCC Compliant.\u003c\/p\u003e\n\u003cp\u003eAlso available in\u003cspan\u003e \u003c\/span\u003e24V,\u003cspan\u003e \u003c\/span\u003e48V\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003enon-remote\u003cspan\u003e \u003c\/span\u003emodels\u003c\/p\u003e\n\u003cp\u003eOptional remote control (sold separately): Model\u003cspan\u003e \u003c\/span\u003eRC-300\u003c\/p\u003e\n\u003ch2 class=\"o-product-accordion--header j-accordion--toggle\"\u003eFeatures\u003cspan class=\"icon-divider o-product-accordion--arrow\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"o-product-accordion--body j-accordion--body\"\u003e\n\u003cul\u003e\n\u003cli\u003eHigh efficiency\u003c\/li\u003e\n\u003cli\u003eCan be hard wired\u003c\/li\u003e\n\u003cli\u003eTemperature controlled cooling fan – reduces energy consumption\u003c\/li\u003e\n\u003cli\u003eLow interference\u003c\/li\u003e\n\u003cli\u003eWide operating DC input range: 10.7 – 16.5 VDC\u003c\/li\u003e\n\u003cli\u003eCommercial grade design suitable for heavy duty loads, long periods of continuous operation \u0026amp; for emergency back up\u003c\/li\u003e\n\u003cli\u003eUPC – Universal Protection Circuit: low voltage, over voltage, over temperature, over load and short circuit\u003c\/li\u003e\n\u003cli\u003eLow idle power draw\u003c\/li\u003e\n\u003cli\u003eDual GFCI protected AC outlets\u003c\/li\u003e\n\u003cli\u003eOptional remote control (sold separately): Model\u003cspan\u003e \u003c\/span\u003eRC-300\u003c\/li\u003e\n\u003cli\u003eSafety certified to UL standards, FCC compliant\u003c\/li\u003e\n\u003cli\u003eRemote Input – Turn inverter ON or OFF with ignition start or any other Remote ON\/OFF switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 1500 Watt 12V Pure Sine Wave Inverter \u003cmeta charset=\"utf-8\"\u003eProduct Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWatts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1500 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3000 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRC-300 sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15.6 lbs \/ 7.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.35 x 18.43 x 4.16 in \/ 263 x 468.2 x 105.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eETL to UL Standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c!-- notionvc: 60f2821f-36b8-4453-8319-bb03021a4f6e --\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Manual\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 1500 Watt 12V Pure Sine Wave Inverter \u003cmeta charset=\"utf-8\"\u003eProduct Manual\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eSamlex Product Manual\u003c\/h2\u003e\n\u003ch2\u003eSamlex Specifications\u003c\/h2\u003e\n\u003ch2\u003eSamlex Feature Sheet\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Warranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2 class=\"o-product--description\"\u003e3 Years Limited Warranty\u003c\/h2\u003e\n\u003ch3 class=\"o-product--description\"\u003eProduct FAQs\u003c\/h3\u003e\n\u003ch5 class=\"o-product--description\"\u003eWhat is a Pure Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-product--description\"\u003eThe output voltage of a sine wave inverter has a sine wave form like the sine wave form of the mains \/ utility voltage. In a sine wave, the voltage rises and falls smoothly with a smoothly changing phase angle and also changes its polarity instantly when it crosses 0 Volts.\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cdiv id=\"What-are-the-advantages-of-Pure-Sine-Wave-inverters\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"What-is-a-Modified-Sine-Wave-Inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIn a modified sine wave, the voltage rises and falls abruptly, the phase angle also changes abruptly and it sits at 0 Volts for some time before changing its polarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv id=\"Which-devices-will-not-function-properly-from-a-Modified-Sine-Wave-Inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhich devices will not function properly from a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eAny device that uses a control circuitry that senses the phase (for voltage \/ speed control) or instantaneous zero voltage crossing (for timing control) will not work properly from a voltage that has a modified sine wave-form. Also, as the modified sine wave is a form of square wave, it is comprised of multiple sine waves of odd harmonics (multiples) of the fundamental frequency of the modified sine wave. For example, a 60 Hz. modified sine wave will consist of sine waves with odd harmonic frequencies of 3rd (180 Hz), 5th (300 Hz.), 7th (420 Hz.) and so on. The high frequency harmonic content in a modified sine wave produces enhanced radio interference, higher heating effect in motors \/ microwaves and produces overloading due to lowering of the impedance of low frequency filter capacitors \/ power factor improvement capacitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSome examples of devices that may not work properly with modified sine wave and may also get damaged are given below\u003c\/em\u003e\u003c\/p\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli\u003eLaser printers, photocopiers, magneto-optical hard drives\u003c\/li\u003e\n\u003cli\u003eThe built-in clocks in devices such as clock radios, alarm clocks, coffee makers, bread-makers, VCR, microwave ovens etc may not keep time correctly\u003c\/li\u003e\n\u003cli\u003eOutput voltage control devices like dimmers, ceiling fan \/ motor speed control may not work properly (dimming \/ speed control may not function)\u003c\/li\u003e\n\u003cli\u003eSewing machines with speed \/ microprocessor control\u003c\/li\u003e\n\u003cli\u003eTransformer-less capacitive input powered devices like (i) Razors, flashlights, night-lights, smoke detectors etc (ii) Re-chargers for battery packs used in hand power tools.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eDevices that use radio frequency signals carried by the AC distribution wiring\u003c\/li\u003e\n\u003cli\u003eSome new furnaces with microprocessor control \/ Oil burner primary controls\u003c\/li\u003e\n\u003cli\u003eHigh intensity discharge (HID) lamps like Metal Halide lamps.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eSome fluorescent lamps \/ light fixtures that have power factor correction capacitors.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThe inverter may shut down indicating overload\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a DC-AC inverter?\u003c\/h5\u003e\n\u003cp\u003eWhen you plug anything into the wall in your home you are usually “plugging in” to the power-grid provided as a service by your utility company. Your utility company supplies you with alternating current (AC) electricity. AC electricity flows in alternate directions many times per second. AC is used for utility grid service because it is more practical for long distance transmission.\u003c\/p\u003e\n\u003cp\u003eBatteries provide direct current electricity (DC) electricity which flows in a single direction.  DC power is what is used in many electronics in the home like laptops, solar cells, LED bulbs, and electric vehicles.  They usually have built-in converters to take the AC power received from a plug-in and convert it to DC.\u003c\/p\u003e\n\u003cp\u003eAn inverter (converter) acts as a power adapter as it converts DC to AC,  AC to DC, and can also change the voltage. It allows a battery-based system to run conventional AC appliances directly or through conventional home wiring.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the criteria for selecting the right inverter for a particular application?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-the-criteria-for-selecting-the-right-inverter-for-a-particular-application\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eTo choose an inverter; you should first define your needs. Where is the inverter to be used? Inverters are available for use in buildings (including homes), for recreational vehicles, boats, and portable applications. Will it be connected to the utility grid in some way? Electrical conventions and safety standards differ for various applications, so don’t improvise.\u003c\/p\u003e\n\u003cp\u003eWhen sizing an inverter, you need to take into consideration both the\u003cstrong\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003erunning power\u003c\/em\u003e\u003c\/strong\u003e \u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cstrong\u003e(continuous)\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eand the additional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cem\u003estarting surge power\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements of the AC side loads.\u003c\/p\u003e\n\u003cp\u003eSome loads require much higher starting surge power for the first few seconds before settling down at the running power. The inverter should be sized on the basis of the starting surge power of the AC side load. The total starting surge power is equal to the normal running power plus the additional starting power. The following symbols and equation will be used for explanation purposes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRunning Power, Watts – \u003cstrong\u003eWr\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdditional Starting Power or Additional Continuous Power, Watts – \u003cstrong\u003eWa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Starting Surge Power, Watts = Running Power (\u003cstrong\u003eWr\u003c\/strong\u003e) + Additional Starting Power \/ Additional Continuous Power (\u003cstrong\u003eWa\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe specifications of inverters may include a rating termed Surge Power. Normally, the duration of this Surge Power rating is not quantified in the specifications and is assumed to last for less than 1 second. Unless the Surge Power Rating of the inverter is specified to last for \u0026gt; 5 seconds, this Surge Power specification of the inverter should not be considered for purposes of sizing loads with high and prolonged starting surge power.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOnly the Continuous Power rating of the inverter should be considered in such cases\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eElectric motor driven compressor\/pump based loads like refrigerators\/freezers, air conditioners, air compressors, sump and well pumps, etc. require a very high Starting Surge Power of around 5 to 7 times the Running Power for the initial start up. This Starting Surge Power may last for 2 to 5 seconds.  The Additional Starting Power\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 4 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSwitched Mode Power Supplies (SMPS) that do not have Power Factor correction draw a non linear, pulsing current with a high Crest Factor (Ratio of instantaneous value and the RMS value) that may reach a value of 4. Also, the effective Power Factor of these types of power supplies is very low around 0.6. If the inverter is sized based on the Running Power of these units, the inverter will be continuously overloaded from instant to instant due to the higher peaks of the pulsing current. The inverter for these units should be sized at 3 times the Running Power of the power supply. Alternatively, for sizing purposes, the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Consumer electronics like computers, TV, VCR, audio\/ video devices, etc. use this type of power supply.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(Please note that this sizing is not applicable if the SMPS has Power Factor correction and the Power Factor is around 0.9)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMotors used in washing machines have to start under load due to the weight of the clothes, water and the drum. Hence, the Additional Starting Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. This starting power normally lasts from 2 to 5 seconds.\u003c\/p\u003e\n\u003cp\u003eThe Watt rating of the microwaves normally indicates output cooking power in Watts. As the microwave is not an efficient device, the AC input power in Watts should be taken as 2 times the output cooking power in Watts i.e. the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 1 time the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Hence, a microwave with 900 Watt cooking power will require an 1800 Watt inverter. \u003cstrong\u003e(If the power rating of the inverter is indicated as the AC input power in Watts, the factor of 2 is not applicable).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe following symbols and equations are used in the sizing of an inverter example below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Running Power of the items selected, Watts – \u003cstrong\u003eWrt\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHighest Additional Starting Power out of the items selected, Watts – \u003cstrong\u003eWah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e*Highest power for sizing purpose, Watts – \u003cstrong\u003eWrt + Wah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e* It is assumed that only one out of the selected items starts at one time\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSince the AC loads rarely start at the same time, the load with the highest Additional Starting Power \u003cstrong\u003eWah\u003c\/strong\u003e has been factored in.\u003c\/p\u003e\n\u003cp\u003eExample:\u003cbr\u003e\u003c\/p\u003e\n\u003ctable id=\"tablepress-15\" class=\"tablepress tablepress-id-15 tablepress-responsive\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eRunning Power, Wr, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003eAdditional\u003cbr\u003eStarting Power or Additional Continuous Power *, Wa, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003eQuantity\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003eExtended\u003cbr\u003eRunning Power, Wt, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator – Electric Compressor based\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e800\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eColor TV\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e450\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eLaptop Adapter\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e240\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIncandescent Lamps\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e60\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e0\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e6\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e360\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*\u003c\/strong\u003e \u003cem\u003eAdditional Continuous Power is applicable to SMPS based loads that have no Power Factor Correction.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTotal Extended Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e = 200 + 225 + 120 + 360 = \u003cstrong\u003e905\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e = \u003cstrong\u003e800\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Power for sizing the inverter = Total Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e(905 W) + Highest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e (800 W) = \u003cstrong\u003e1705\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the electrical standards pertaining to DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThe DC input voltage must conform to that of the electrical system and battery bank. 12 volts is recommended for small, simple systems. 24 and 48 volts are the common standards for higher capacities. A higher voltage system carries less current, which makes the system wiring cheaper and easier.\u003c\/p\u003e\n\u003cp\u003eThe inverter’s AC output must conform to the conventional power in the region to run locally available appliances. The standard for AC utility service in North America is 120 and 240 Volts at a frequency of 60 Hertz (cycles per second). In Europe, South America, and most other places, it is 230 volts at 50 Hertz.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are \"continuous\" and \"surge\" power capacity ratings for DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-continuous-and-surge-power-capacity-ratings-for-DC-AC-inverters\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eHow much load can an inverter handle? Its power output is rated in Watts.  There are two levels of power rating -a continuous rating and a surge rating. Continuous means the amount of power the inverter can handle for an indefinite period of hours. When an inverter is rated at a certain number of Watts, that number generally refers to its continuous rating. The “surge power” indicates the power to handle instantaneous overload of a few seconds to provide the higher power required to start certain type of devices and appliances.  Resistive types of loads (like incandescent lamps, toaster, coffee maker, electric range, iron etc) do not require extra power to start. Their starting power is the same as their running power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow do \"surge power\" electrical loads affect DC-AC inverter operation?\u003c\/h5\u003e\n\u003cp\u003eIf an inverter cannot efficiently feed the surge power, it may simply shut down instead of starting the device. If the inverter’s surge capacity is marginal, its output voltage will dip during the surge. This can cause a dimming of the lights in the house, and will sometimes crash a computer.\u003c\/p\u003e\n\u003cp\u003eAny weakness in the battery and cabling to the inverter will further limit its ability to start a motor. A battery bank that is undersized, in poor condition, or has corroded connections, can be a weak link in the power chain. The inverter cables and the battery interconnect cables must be sized properly. The spike of DC current through these cables is many hundreds of amps at the instant of a motor starting for example.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter for loads that require starting surge?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-for-loads-that-require-starting-surge\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eObserve the following guideline to determine the continuous wattage of the inverter for powering loads that require starting surge. (Multiply the running watts of the device\/appliance by the Surge Factor)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e The surge power rating specified for this inverter is valid for duration of less than 1 second. This very short duration may not be sufficient to start motor based loads which may require up to 5 seconds to complete starting process. Hence, for purposes of sizing the inverter, use only the continuous power rating of this inverter.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable id=\"tablepress-16\" class=\"tablepress tablepress-id-16 tablepress-responsive\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eSurge Factor\u003cbr\u003e(No. of times the running power rating of the device\/appliance)\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator \/ Freezer\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e5\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eAir Compressors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e4\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDishwasher\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eSump pump\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-6 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eFurnace fans\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIndustrial motors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-8 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eCircular saw\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-9 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eBench Grinder\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-10 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003ePortable diesel \/ kerosene fuel heater\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e2\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to operate a microwave?\u003c\/h5\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe power rating of the microwave generally refers to the cooking power. The electrical power consumed by the microwave will be approximately 2 times the cooking power. The “surge power” of the inverter should be 2 times the electrical power (i.e., 4 times the cooking power). Please note that the surge power of the microwave is not as long as the motor load and hence, the surge power of the inverter can be considered to determine adequacy of meeting the starting surge power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to power a water supply pump?\u003c\/h5\u003e\n\u003cp\u003eA water well or pressure pump often places the greatest demand on the inverter. It warrants special consideration. Most pumps draw a very high surge of current during start up. The inverter must have sufficient surge capacity to handle it while running any other loads that may be on. It is important to size an inverter sufficiently, especially to handle the starting surge (If the exact starting rating is not available, the starting surge can be taken as 3 times the normal running rating of the pump). Oversize it still further if you want it to start the pump without causing lights to dim or blink.\u003c\/p\u003e\n\u003cp\u003eIn North America, most pumps (especially submersibles) run on 240 VAC, while smaller appliances and lights use 120 VAC. To obtain 240 VAC from a 120 VAC inverter, use a 120 VAC to 240 VAC transformer. If you do not already have a pump installed, you can get a 120 volt pump if you don’t need more than 1\/2 HP.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is \"idle power\" in a DC-AC inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-idle-power-in-a-DC-AC-inverter\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIdle power is the consumption of the inverter when it is on, but no loads are running. It is “wasted” power, so if you expect the inverter to be on for many hours during which there is very little load (as in most residential situations), you want this to be as low as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are Phantom and idling loads?\u003c\/h5\u003e\n\u003cp\u003eMost of the modern gadgets draw some power whenever they are plugged in. Some of them use power to do nothing at all. An example is a TV with a remote control. Its electric eye system is on day and night, watching for your signal to turn the screen on. Every appliance with an external wall-plug transformer uses power even when the appliance is turned off. These little loads are called “phantom loads” because their power draw is unexpected, unseen, and easily forgotten.\u003c\/p\u003e\n\u003cp\u003eA similar concern is “idling loads.” These are devices that must be on all the time in order to function when needed. These include smoke detectors, alarm systems, motion detector lights, fax machines, and answering machines. Central heating systems have a transformer in their thermostat circuit that stays on all the time. Cordless (rechargeable) appliances draw power even after their batteries reach a full charge. If in doubt, feel the device. If it’s warm, that indicates wasted energy.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eCan a standard DC-AC inverter be connected in parallel with another AC source\/ DC-AC inverter \/ electrical utility?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"Can-a-standard-DC-AC-inverter-be-connected-in-parallel-with-another-AC-source-DC-AC-inverter-electrical-utility\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe AC output of standard inverters cannot be synchronised with another AC source and hence, it is not suitable for paralleling. The AC output of the inverter should never be connected directly to an electrical breaker panel \/ load center which is also fed from the utility power \/generator. Such a connection may result in parallel operation of the different power sources and AC power from the utility \/ generator will be fed back into the inverter which will instantly damage the output section of the inverter and may also pose a fire and safety hazard.\u003c\/p\u003e\n\u003cp\u003eIf an electrical breaker panel \/ load center is fed from an inverter and this panel is also required to be powered from additional alternate AC sources, the AC power from all the AC sources like the utility \/ generator \/ inverter should first be fed to a manual selector switch and the output of the selector switch should be connected to the electrical breaker panel \/ load center. To prevent possibility of paralleling and severe damage to the inverter, never use a simple jumper cable with a male plug on both ends to connect the AC output of the inverter to a handy wall receptacle in the home\/RV.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow can DC-AC inverters be connected to multi-wire branch circuits?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-can-DC-AC-inverters-be-connected-to-multi-wire-branch-circuits\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eDo not directly connect the hot side of the inverter to the two hot legs of the 120 \/ 240 VAC electrical breaker panel \/ load centre where multi-wire ( common neutral ) branch circuit wiring method is used for distribution of AC power. This may lead to overloading\/overheating of the neutral conductor and is a risk of fire.\u003c\/p\u003e\n\u003cp\u003eA split phase transformer (isolated or auto-transformer ) of suitable wattage rating ( 25% more than the wattage rating of the inverter ) with primary of 120 VAC and secondary of 120 \/ 240 VAC ( Two 120 VAC split phases 180 degrees apart) should be used. The hot and neutral of the 120 VAC output of the inverter should be fed to the primary of this transformer and the 2 hot outputs (120 VAC split phases ) and the neutral from the secondary of this transformer should be connected to the electrical breaker panel\/ load centre.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to supply computer or printer loads?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eComputers and Printers generally come with in-built switch-mode power supplies (see application notes and FAQs on switch mode power supplies (SMPS)) that have extremely low power factor on account of the extremely peaky and non-linear nature of the current drawn by them from the AC source. Hence for such loads we recommend using inverters with three times the advertised power consumption of the computer or printer loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is the difference between a 12V, 24V and 48V inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-the-difference-between-a-12V-24V-and-48V-inverter\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eA 12-V can be fed from a 12V battery or DC supply. Similarly 24V and 48V inverters can be fed from 24V and 48V batteries\/DC power supplies, respectively. Cars usually have 12V batteries. Trucks have 24V batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Samlex","offers":[{"title":"Default Title","offer_id":46576230432994,"sku":"PST-1500-12","price":650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5090\/1474\/files\/PST-1500-12-1.jpg?v=1751453209"},{"product_id":"samlex-1000-watt-24v-pure-sine-wave-inverter","title":"Samlex PST 1000 Watt 24V Pure Sine Wave Inverter PST-1000-24","description":"\u003ch2\u003eSamlex 1000 Watt 24V Pure Sine Wave Inverter\u003c\/h2\u003e\n\u003cdiv class=\"o-product--description\"\u003e\n\u003cp\u003eThis high efficiency DC-AC inverter converts 24 Volts DC to 1000 Watts of pure sine-wave AC power at 120 Volts, 60 Hz. Features include overload protection, low battery alarm \/ shut down, low idle power draw. AC power is available from a NEMA-20R GFCI duplex outlet on the front panel. Safety certified to UL standards.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cdiv class=\"o-product-accordion--body j-accordion--body\"\u003e\n\u003cul\u003e\n\u003cli\u003eHigh efficiency\u003c\/li\u003e\n\u003cli\u003eTemperature controlled cooling fan – reduces energy consumption\u003c\/li\u003e\n\u003cli\u003eLow interference\u003c\/li\u003e\n\u003cli\u003eWide operating DC input range: 21.0 – 33.0 VDC\u003c\/li\u003e\n\u003cli\u003eCommercial grade design suitable for heavy duty loads, long periods of continuous operation \u0026amp; for emergency back up\u003c\/li\u003e\n\u003cli\u003eUPC – Universal Protection Circuit: low voltage, over voltage, over temperature, over load and short circuit\u003c\/li\u003e\n\u003cli\u003eLow idle power draw\u003c\/li\u003e\n\u003cli\u003eDual GFCI protected AC outlets\u003c\/li\u003e\n\u003cli\u003eOptional\u003cspan\u003e remote control \u003c\/span\u003e(sold separately)\u003c\/li\u003e\n\u003cli\u003eSafety certified to UL standards, FCC compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 1000 Watt 24V Pure Sine Wave Inverter \u003cmeta charset=\"utf-8\"\u003eProduct Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWatts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2000 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRemote sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.8 lbs \/ 4.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.37 x 15.63 x 3.23 in \/ 238 x 397 x 82 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eETL to UL Standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c!-- notionvc: c72b06e1-27bb-4ebb-b8e9-faac341068f2 --\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Manual\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 1000 Watt 24V Pure Sine Wave Inverter \u003cmeta charset=\"utf-8\"\u003eProduct Manual\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eSamlex Product Manual\u003c\/h2\u003e\n\u003ch2\u003eSamlex Specifications\u003c\/h2\u003e\n\u003ch2\u003eSamlex Feature Sheet\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Warranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2 class=\"o-product--description\"\u003e3 Years Limited Warranty\u003c\/h2\u003e\n\u003ch3 class=\"o-product--description\"\u003eProduct FAQs\u003c\/h3\u003e\n\u003ch5 class=\"o-product--description\"\u003eWhat is a Pure Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-product--description\"\u003eThe output voltage of a sine wave inverter has a sine wave form like the sine wave form of the mains \/ utility voltage. In a sine wave, the voltage rises and falls smoothly with a smoothly changing phase angle and also changes its polarity instantly when it crosses 0 Volts.\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-the-advantages-of-Pure-Sine-Wave-inverters\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-a-Modified-Sine-Wave-Inverter\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIn a modified sine wave, the voltage rises and falls abruptly, the phase angle also changes abruptly and it sits at 0 Volts for some time before changing its polarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"Which-devices-will-not-function-properly-from-a-Modified-Sine-Wave-Inverter\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhich devices will not function properly from a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eAny device that uses a control circuitry that senses the phase (for voltage \/ speed control) or instantaneous zero voltage crossing (for timing control) will not work properly from a voltage that has a modified sine wave-form. Also, as the modified sine wave is a form of square wave, it is comprised of multiple sine waves of odd harmonics (multiples) of the fundamental frequency of the modified sine wave. For example, a 60 Hz. modified sine wave will consist of sine waves with odd harmonic frequencies of 3rd (180 Hz), 5th (300 Hz.), 7th (420 Hz.) and so on. The high frequency harmonic content in a modified sine wave produces enhanced radio interference, higher heating effect in motors \/ microwaves and produces overloading due to lowering of the impedance of low frequency filter capacitors \/ power factor improvement capacitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSome examples of devices that may not work properly with modified sine wave and may also get damaged are given below\u003c\/em\u003e\u003c\/p\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli\u003eLaser printers, photocopiers, magneto-optical hard drives\u003c\/li\u003e\n\u003cli\u003eThe built-in clocks in devices such as clock radios, alarm clocks, coffee makers, bread-makers, VCR, microwave ovens etc may not keep time correctly\u003c\/li\u003e\n\u003cli\u003eOutput voltage control devices like dimmers, ceiling fan \/ motor speed control may not work properly (dimming \/ speed control may not function)\u003c\/li\u003e\n\u003cli\u003eSewing machines with speed \/ microprocessor control\u003c\/li\u003e\n\u003cli\u003eTransformer-less capacitive input powered devices like (i) Razors, flashlights, night-lights, smoke detectors etc (ii) Re-chargers for battery packs used in hand power tools.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eDevices that use radio frequency signals carried by the AC distribution wiring\u003c\/li\u003e\n\u003cli\u003eSome new furnaces with microprocessor control \/ Oil burner primary controls\u003c\/li\u003e\n\u003cli\u003eHigh intensity discharge (HID) lamps like Metal Halide lamps.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eSome fluorescent lamps \/ light fixtures that have power factor correction capacitors.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThe inverter may shut down indicating overload\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a DC-AC inverter?\u003c\/h5\u003e\n\u003cp\u003eWhen you plug anything into the wall in your home you are usually “plugging in” to the power-grid provided as a service by your utility company. Your utility company supplies you with alternating current (AC) electricity. AC electricity flows in alternate directions many times per second. AC is used for utility grid service because it is more practical for long distance transmission.\u003c\/p\u003e\n\u003cp\u003eBatteries provide direct current electricity (DC) electricity which flows in a single direction.  DC power is what is used in many electronics in the home like laptops, solar cells, LED bulbs, and electric vehicles.  They usually have built-in converters to take the AC power received from a plug-in and convert it to DC.\u003c\/p\u003e\n\u003cp\u003eAn inverter (converter) acts as a power adapter as it converts DC to AC,  AC to DC, and can also change the voltage. It allows a battery-based system to run conventional AC appliances directly or through conventional home wiring.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the criteria for selecting the right inverter for a particular application?\u003c\/h5\u003e\n\u003cdiv id=\"What-are-the-criteria-for-selecting-the-right-inverter-for-a-particular-application\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eTo choose an inverter; you should first define your needs. Where is the inverter to be used? Inverters are available for use in buildings (including homes), for recreational vehicles, boats, and portable applications. Will it be connected to the utility grid in some way? Electrical conventions and safety standards differ for various applications, so don’t improvise.\u003c\/p\u003e\n\u003cp\u003eWhen sizing an inverter, you need to take into consideration both the\u003cstrong\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003erunning power\u003c\/em\u003e\u003c\/strong\u003e \u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cstrong\u003e(continuous)\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eand the additional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cem\u003estarting surge power\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements of the AC side loads.\u003c\/p\u003e\n\u003cp\u003eSome loads require much higher starting surge power for the first few seconds before settling down at the running power. The inverter should be sized on the basis of the starting surge power of the AC side load. The total starting surge power is equal to the normal running power plus the additional starting power. The following symbols and equation will be used for explanation purposes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRunning Power, Watts – \u003cstrong\u003eWr\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdditional Starting Power or Additional Continuous Power, Watts – \u003cstrong\u003eWa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Starting Surge Power, Watts = Running Power (\u003cstrong\u003eWr\u003c\/strong\u003e) + Additional Starting Power \/ Additional Continuous Power (\u003cstrong\u003eWa\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe specifications of inverters may include a rating termed Surge Power. Normally, the duration of this Surge Power rating is not quantified in the specifications and is assumed to last for less than 1 second. Unless the Surge Power Rating of the inverter is specified to last for \u0026gt; 5 seconds, this Surge Power specification of the inverter should not be considered for purposes of sizing loads with high and prolonged starting surge power.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOnly the Continuous Power rating of the inverter should be considered in such cases\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eElectric motor driven compressor\/pump based loads like refrigerators\/freezers, air conditioners, air compressors, sump and well pumps, etc. require a very high Starting Surge Power of around 5 to 7 times the Running Power for the initial start up. This Starting Surge Power may last for 2 to 5 seconds.  The Additional Starting Power\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 4 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSwitched Mode Power Supplies (SMPS) that do not have Power Factor correction draw a non linear, pulsing current with a high Crest Factor (Ratio of instantaneous value and the RMS value) that may reach a value of 4. Also, the effective Power Factor of these types of power supplies is very low around 0.6. If the inverter is sized based on the Running Power of these units, the inverter will be continuously overloaded from instant to instant due to the higher peaks of the pulsing current. The inverter for these units should be sized at 3 times the Running Power of the power supply. Alternatively, for sizing purposes, the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Consumer electronics like computers, TV, VCR, audio\/ video devices, etc. use this type of power supply.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(Please note that this sizing is not applicable if the SMPS has Power Factor correction and the Power Factor is around 0.9)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMotors used in washing machines have to start under load due to the weight of the clothes, water and the drum. Hence, the Additional Starting Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. This starting power normally lasts from 2 to 5 seconds.\u003c\/p\u003e\n\u003cp\u003eThe Watt rating of the microwaves normally indicates output cooking power in Watts. As the microwave is not an efficient device, the AC input power in Watts should be taken as 2 times the output cooking power in Watts i.e. the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 1 time the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Hence, a microwave with 900 Watt cooking power will require an 1800 Watt inverter. \u003cstrong\u003e(If the power rating of the inverter is indicated as the AC input power in Watts, the factor of 2 is not applicable).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe following symbols and equations are used in the sizing of an inverter example below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Running Power of the items selected, Watts – \u003cstrong\u003eWrt\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHighest Additional Starting Power out of the items selected, Watts – \u003cstrong\u003eWah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e*Highest power for sizing purpose, Watts – \u003cstrong\u003eWrt + Wah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e* It is assumed that only one out of the selected items starts at one time\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSince the AC loads rarely start at the same time, the load with the highest Additional Starting Power \u003cstrong\u003eWah\u003c\/strong\u003e has been factored in.\u003c\/p\u003e\n\u003cp\u003eExample:\u003cbr\u003e\u003c\/p\u003e\n\u003ctable class=\"tablepress tablepress-id-15 tablepress-responsive\" id=\"tablepress-15\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eRunning Power, Wr, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003eAdditional\u003cbr\u003eStarting Power or Additional Continuous Power *, Wa, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003eQuantity\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003eExtended\u003cbr\u003eRunning Power, Wt, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator – Electric Compressor based\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e800\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eColor TV\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e450\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eLaptop Adapter\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e240\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIncandescent Lamps\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e60\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e0\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e6\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e360\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*\u003c\/strong\u003e \u003cem\u003eAdditional Continuous Power is applicable to SMPS based loads that have no Power Factor Correction.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTotal Extended Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e = 200 + 225 + 120 + 360 = \u003cstrong\u003e905\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e = \u003cstrong\u003e800\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Power for sizing the inverter = Total Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e(905 W) + Highest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e (800 W) = \u003cstrong\u003e1705\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the electrical standards pertaining to DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThe DC input voltage must conform to that of the electrical system and battery bank. 12 volts is recommended for small, simple systems. 24 and 48 volts are the common standards for higher capacities. A higher voltage system carries less current, which makes the system wiring cheaper and easier.\u003c\/p\u003e\n\u003cp\u003eThe inverter’s AC output must conform to the conventional power in the region to run locally available appliances. The standard for AC utility service in North America is 120 and 240 Volts at a frequency of 60 Hertz (cycles per second). In Europe, South America, and most other places, it is 230 volts at 50 Hertz.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are \"continuous\" and \"surge\" power capacity ratings for DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv id=\"What-are-continuous-and-surge-power-capacity-ratings-for-DC-AC-inverters\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eHow much load can an inverter handle? Its power output is rated in Watts.  There are two levels of power rating -a continuous rating and a surge rating. Continuous means the amount of power the inverter can handle for an indefinite period of hours. When an inverter is rated at a certain number of Watts, that number generally refers to its continuous rating. The “surge power” indicates the power to handle instantaneous overload of a few seconds to provide the higher power required to start certain type of devices and appliances.  Resistive types of loads (like incandescent lamps, toaster, coffee maker, electric range, iron etc) do not require extra power to start. Their starting power is the same as their running power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow do \"surge power\" electrical loads affect DC-AC inverter operation?\u003c\/h5\u003e\n\u003cp\u003eIf an inverter cannot efficiently feed the surge power, it may simply shut down instead of starting the device. If the inverter’s surge capacity is marginal, its output voltage will dip during the surge. This can cause a dimming of the lights in the house, and will sometimes crash a computer.\u003c\/p\u003e\n\u003cp\u003eAny weakness in the battery and cabling to the inverter will further limit its ability to start a motor. A battery bank that is undersized, in poor condition, or has corroded connections, can be a weak link in the power chain. The inverter cables and the battery interconnect cables must be sized properly. The spike of DC current through these cables is many hundreds of amps at the instant of a motor starting for example.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter for loads that require starting surge?\u003c\/h5\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-for-loads-that-require-starting-surge\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eObserve the following guideline to determine the continuous wattage of the inverter for powering loads that require starting surge. (Multiply the running watts of the device\/appliance by the Surge Factor)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e The surge power rating specified for this inverter is valid for duration of less than 1 second. This very short duration may not be sufficient to start motor based loads which may require up to 5 seconds to complete starting process. Hence, for purposes of sizing the inverter, use only the continuous power rating of this inverter.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable class=\"tablepress tablepress-id-16 tablepress-responsive\" id=\"tablepress-16\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eSurge Factor\u003cbr\u003e(No. of times the running power rating of the device\/appliance)\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator \/ Freezer\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e5\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eAir Compressors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e4\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDishwasher\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eSump pump\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-6 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eFurnace fans\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIndustrial motors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-8 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eCircular saw\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-9 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eBench Grinder\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-10 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003ePortable diesel \/ kerosene fuel heater\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e2\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to operate a microwave?\u003c\/h5\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe power rating of the microwave generally refers to the cooking power. The electrical power consumed by the microwave will be approximately 2 times the cooking power. The “surge power” of the inverter should be 2 times the electrical power (i.e., 4 times the cooking power). Please note that the surge power of the microwave is not as long as the motor load and hence, the surge power of the inverter can be considered to determine adequacy of meeting the starting surge power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to power a water supply pump?\u003c\/h5\u003e\n\u003cp\u003eA water well or pressure pump often places the greatest demand on the inverter. It warrants special consideration. Most pumps draw a very high surge of current during start up. The inverter must have sufficient surge capacity to handle it while running any other loads that may be on. It is important to size an inverter sufficiently, especially to handle the starting surge (If the exact starting rating is not available, the starting surge can be taken as 3 times the normal running rating of the pump). Oversize it still further if you want it to start the pump without causing lights to dim or blink.\u003c\/p\u003e\n\u003cp\u003eIn North America, most pumps (especially submersibles) run on 240 VAC, while smaller appliances and lights use 120 VAC. To obtain 240 VAC from a 120 VAC inverter, use a 120 VAC to 240 VAC transformer. If you do not already have a pump installed, you can get a 120 volt pump if you don’t need more than 1\/2 HP.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is \"idle power\" in a DC-AC inverter?\u003c\/h5\u003e\n\u003cdiv id=\"What-is-idle-power-in-a-DC-AC-inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIdle power is the consumption of the inverter when it is on, but no loads are running. It is “wasted” power, so if you expect the inverter to be on for many hours during which there is very little load (as in most residential situations), you want this to be as low as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are Phantom and idling loads?\u003c\/h5\u003e\n\u003cp\u003eMost of the modern gadgets draw some power whenever they are plugged in. Some of them use power to do nothing at all. An example is a TV with a remote control. Its electric eye system is on day and night, watching for your signal to turn the screen on. Every appliance with an external wall-plug transformer uses power even when the appliance is turned off. These little loads are called “phantom loads” because their power draw is unexpected, unseen, and easily forgotten.\u003c\/p\u003e\n\u003cp\u003eA similar concern is “idling loads.” These are devices that must be on all the time in order to function when needed. These include smoke detectors, alarm systems, motion detector lights, fax machines, and answering machines. Central heating systems have a transformer in their thermostat circuit that stays on all the time. Cordless (rechargeable) appliances draw power even after their batteries reach a full charge. If in doubt, feel the device. If it’s warm, that indicates wasted energy.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eCan a standard DC-AC inverter be connected in parallel with another AC source\/ DC-AC inverter \/ electrical utility?\u003c\/h5\u003e\n\u003cdiv id=\"Can-a-standard-DC-AC-inverter-be-connected-in-parallel-with-another-AC-source-DC-AC-inverter-electrical-utility\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe AC output of standard inverters cannot be synchronised with another AC source and hence, it is not suitable for paralleling. The AC output of the inverter should never be connected directly to an electrical breaker panel \/ load center which is also fed from the utility power \/generator. Such a connection may result in parallel operation of the different power sources and AC power from the utility \/ generator will be fed back into the inverter which will instantly damage the output section of the inverter and may also pose a fire and safety hazard.\u003c\/p\u003e\n\u003cp\u003eIf an electrical breaker panel \/ load center is fed from an inverter and this panel is also required to be powered from additional alternate AC sources, the AC power from all the AC sources like the utility \/ generator \/ inverter should first be fed to a manual selector switch and the output of the selector switch should be connected to the electrical breaker panel \/ load center. To prevent possibility of paralleling and severe damage to the inverter, never use a simple jumper cable with a male plug on both ends to connect the AC output of the inverter to a handy wall receptacle in the home\/RV.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow can DC-AC inverters be connected to multi-wire branch circuits?\u003c\/h5\u003e\n\u003cdiv id=\"How-can-DC-AC-inverters-be-connected-to-multi-wire-branch-circuits\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eDo not directly connect the hot side of the inverter to the two hot legs of the 120 \/ 240 VAC electrical breaker panel \/ load centre where multi-wire ( common neutral ) branch circuit wiring method is used for distribution of AC power. This may lead to overloading\/overheating of the neutral conductor and is a risk of fire.\u003c\/p\u003e\n\u003cp\u003eA split phase transformer (isolated or auto-transformer ) of suitable wattage rating ( 25% more than the wattage rating of the inverter ) with primary of 120 VAC and secondary of 120 \/ 240 VAC ( Two 120 VAC split phases 180 degrees apart) should be used. The hot and neutral of the 120 VAC output of the inverter should be fed to the primary of this transformer and the 2 hot outputs (120 VAC split phases ) and the neutral from the secondary of this transformer should be connected to the electrical breaker panel\/ load centre.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to supply computer or printer loads?\u003c\/h5\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eComputers and Printers generally come with in-built switch-mode power supplies (see application notes and FAQs on switch mode power supplies (SMPS)) that have extremely low power factor on account of the extremely peaky and non-linear nature of the current drawn by them from the AC source. Hence for such loads we recommend using inverters with three times the advertised power consumption of the computer or printer loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is the difference between a 12V, 24V and 48V inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv id=\"What-is-the-difference-between-a-12V-24V-and-48V-inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eA 12-V can be fed from a 12V battery or DC supply. Similarly 24V and 48V inverters can be fed from 24V and 48V batteries\/DC power supplies, respectively. Cars usually have 12V batteries. Trucks have 24V batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Samlex","offers":[{"title":"Default Title","offer_id":46576230465762,"sku":"PST-1000-24","price":559.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5090\/1474\/files\/PST-1000-24.jpg?v=1751453220"},{"product_id":"samlex-1000-watt-12v-pure-sine-wave-inverter","title":"Samlex PST 1000 Watt 12V Pure Sine Wave Inverter PST-1000F-12","description":"\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003eSamlex 1000 Watt 12V Pure Sine Wave Inverter\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan data-mce-style=\"text-decoration: underline;\"\u003eDescription\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eThis high efficiency DC-AC inverter converts 12 Volts DC to 1000 Watts of pure sine-wave AC power at 120 Volts, 60 Hz. The unit comes with pin-type battery cable lugs. Features include overload protection, low battery alarm \/ shut down, low idle power draw of less than 0.85 Amps. AC power is available from a NEMA-20R GFCI duplex outlet on the front panel. Safety certified to UL standards.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003cspan class=\"icon-divider o-product-accordion--arrow\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"o-product-accordion--body j-accordion--body\"\u003e\n\u003cul\u003e\n\u003cli\u003eWide operating temperature range: -13°F to 131°F \/ -25˚C to +55˚C\u003c\/li\u003e\n\u003cli\u003eWide operating DC input range: 10.7 – 16.5 VDC\u003c\/li\u003e\n\u003cli\u003eIgnition ON\/OFF – 1 wire input\u003c\/li\u003e\n\u003cli\u003eHigh efficiency and low interference\u003c\/li\u003e\n\u003cli\u003eTemperature controlled cooling fan – reduces energy consumption\u003c\/li\u003e\n\u003cli\u003eCommercial grade design suitable for heavy duty loads, long periods of continuous operation \u0026amp; for emergency back up\u003c\/li\u003e\n\u003cli\u003eUPC – Universal Protection Circuit: low voltage, over voltage, over temperature, over load and short circuit.\u003c\/li\u003e\n\u003cli\u003eLow idle power draw\u003c\/li\u003e\n\u003cli\u003eDual GFCI protected AC outlets\u003c\/li\u003e\n\u003cli\u003eOptional\u003cspan\u003e remote control (\u003c\/span\u003esold separately)\u003c\/li\u003e\n\u003cli\u003eComes with pin-type battery cable lugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003eSamlex 1000 Watt 12V Pure Sine Wave Inverter \u003cmeta charset=\"utf-8\"\u003eProduct Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWatts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1000 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2000 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRemote sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.8 lbs \/ 4.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.37 x 15.63 x 3.23 in \/ 238 x 397 x 82 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eETL to UL Standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003e\u003c!-- notionvc: 677db251-a02e-4961-a95c-c2e5afc510de --\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Manual\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003eSamlex 1000 Watt 12V Pure Sine Wave Inverter \u003cmeta charset=\"utf-8\"\u003eProduct Manual\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eSamlex Product Manual\u003c\/h2\u003e\n\u003ch2\u003eSamlex Specifications\u003c\/h2\u003e\n\u003ch2\u003eSamlex Feature Sheet\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan data-mce-style=\"text-decoration: underline;\"\u003eProduct Warranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2 class=\"o-product--description\"\u003e3 Years Limited Warranty\u003c\/h2\u003e\n\u003ch3 class=\"o-product--description\"\u003eProduct FAQs\u003c\/h3\u003e\n\u003ch5 class=\"o-product--description\"\u003eWhat is a Pure Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-product--description\"\u003eThe output voltage of a sine wave inverter has a sine wave form like the sine wave form of the mains \/ utility voltage. In a sine wave, the voltage rises and falls smoothly with a smoothly changing phase angle and also changes its polarity instantly when it crosses 0 Volts.\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cdiv id=\"What-are-the-advantages-of-Pure-Sine-Wave-inverters\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"What-is-a-Modified-Sine-Wave-Inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIn a modified sine wave, the voltage rises and falls abruptly, the phase angle also changes abruptly and it sits at 0 Volts for some time before changing its polarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv id=\"Which-devices-will-not-function-properly-from-a-Modified-Sine-Wave-Inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhich devices will not function properly from a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eAny device that uses a control circuitry that senses the phase (for voltage \/ speed control) or instantaneous zero voltage crossing (for timing control) will not work properly from a voltage that has a modified sine wave-form. Also, as the modified sine wave is a form of square wave, it is comprised of multiple sine waves of odd harmonics (multiples) of the fundamental frequency of the modified sine wave. For example, a 60 Hz. modified sine wave will consist of sine waves with odd harmonic frequencies of 3rd (180 Hz), 5th (300 Hz.), 7th (420 Hz.) and so on. The high frequency harmonic content in a modified sine wave produces enhanced radio interference, higher heating effect in motors \/ microwaves and produces overloading due to lowering of the impedance of low frequency filter capacitors \/ power factor improvement capacitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSome examples of devices that may not work properly with modified sine wave and may also get damaged are given below\u003c\/em\u003e\u003c\/p\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli\u003eLaser printers, photocopiers, magneto-optical hard drives\u003c\/li\u003e\n\u003cli\u003eThe built-in clocks in devices such as clock radios, alarm clocks, coffee makers, bread-makers, VCR, microwave ovens etc may not keep time correctly\u003c\/li\u003e\n\u003cli\u003eOutput voltage control devices like dimmers, ceiling fan \/ motor speed control may not work properly (dimming \/ speed control may not function)\u003c\/li\u003e\n\u003cli\u003eSewing machines with speed \/ microprocessor control\u003c\/li\u003e\n\u003cli\u003eTransformer-less capacitive input powered devices like (i) Razors, flashlights, night-lights, smoke detectors etc (ii) Re-chargers for battery packs used in hand power tools.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eDevices that use radio frequency signals carried by the AC distribution wiring\u003c\/li\u003e\n\u003cli\u003eSome new furnaces with microprocessor control \/ Oil burner primary controls\u003c\/li\u003e\n\u003cli\u003eHigh intensity discharge (HID) lamps like Metal Halide lamps.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eSome fluorescent lamps \/ light fixtures that have power factor correction capacitors.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThe inverter may shut down indicating overload\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a DC-AC inverter?\u003c\/h5\u003e\n\u003cp\u003eWhen you plug anything into the wall in your home you are usually “plugging in” to the power-grid provided as a service by your utility company. Your utility company supplies you with alternating current (AC) electricity. AC electricity flows in alternate directions many times per second. AC is used for utility grid service because it is more practical for long distance transmission.\u003c\/p\u003e\n\u003cp\u003eBatteries provide direct current electricity (DC) electricity which flows in a single direction.  DC power is what is used in many electronics in the home like laptops, solar cells, LED bulbs, and electric vehicles.  They usually have built-in converters to take the AC power received from a plug-in and convert it to DC.\u003c\/p\u003e\n\u003cp\u003eAn inverter (converter) acts as a power adapter as it converts DC to AC,  AC to DC, and can also change the voltage. It allows a battery-based system to run conventional AC appliances directly or through conventional home wiring.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the criteria for selecting the right inverter for a particular application?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-the-criteria-for-selecting-the-right-inverter-for-a-particular-application\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eTo choose an inverter; you should first define your needs. Where is the inverter to be used? Inverters are available for use in buildings (including homes), for recreational vehicles, boats, and portable applications. Will it be connected to the utility grid in some way? Electrical conventions and safety standards differ for various applications, so don’t improvise.\u003c\/p\u003e\n\u003cp\u003eWhen sizing an inverter, you need to take into consideration both the\u003cstrong\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003erunning power\u003c\/em\u003e\u003c\/strong\u003e \u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cstrong\u003e(continuous)\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eand the additional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cem\u003estarting surge power\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements of the AC side loads.\u003c\/p\u003e\n\u003cp\u003eSome loads require much higher starting surge power for the first few seconds before settling down at the running power. The inverter should be sized on the basis of the starting surge power of the AC side load. The total starting surge power is equal to the normal running power plus the additional starting power. The following symbols and equation will be used for explanation purposes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRunning Power, Watts – \u003cstrong\u003eWr\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdditional Starting Power or Additional Continuous Power, Watts – \u003cstrong\u003eWa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Starting Surge Power, Watts = Running Power (\u003cstrong\u003eWr\u003c\/strong\u003e) + Additional Starting Power \/ Additional Continuous Power (\u003cstrong\u003eWa\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe specifications of inverters may include a rating termed Surge Power. Normally, the duration of this Surge Power rating is not quantified in the specifications and is assumed to last for less than 1 second. Unless the Surge Power Rating of the inverter is specified to last for \u0026gt; 5 seconds, this Surge Power specification of the inverter should not be considered for purposes of sizing loads with high and prolonged starting surge power.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOnly the Continuous Power rating of the inverter should be considered in such cases\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eElectric motor driven compressor\/pump based loads like refrigerators\/freezers, air conditioners, air compressors, sump and well pumps, etc. require a very high Starting Surge Power of around 5 to 7 times the Running Power for the initial start up. This Starting Surge Power may last for 2 to 5 seconds.  The Additional Starting Power\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 4 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSwitched Mode Power Supplies (SMPS) that do not have Power Factor correction draw a non linear, pulsing current with a high Crest Factor (Ratio of instantaneous value and the RMS value) that may reach a value of 4. Also, the effective Power Factor of these types of power supplies is very low around 0.6. If the inverter is sized based on the Running Power of these units, the inverter will be continuously overloaded from instant to instant due to the higher peaks of the pulsing current. The inverter for these units should be sized at 3 times the Running Power of the power supply. Alternatively, for sizing purposes, the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Consumer electronics like computers, TV, VCR, audio\/ video devices, etc. use this type of power supply.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(Please note that this sizing is not applicable if the SMPS has Power Factor correction and the Power Factor is around 0.9)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMotors used in washing machines have to start under load due to the weight of the clothes, water and the drum. Hence, the Additional Starting Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. This starting power normally lasts from 2 to 5 seconds.\u003c\/p\u003e\n\u003cp\u003eThe Watt rating of the microwaves normally indicates output cooking power in Watts. As the microwave is not an efficient device, the AC input power in Watts should be taken as 2 times the output cooking power in Watts i.e. the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 1 time the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Hence, a microwave with 900 Watt cooking power will require an 1800 Watt inverter. \u003cstrong\u003e(If the power rating of the inverter is indicated as the AC input power in Watts, the factor of 2 is not applicable).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe following symbols and equations are used in the sizing of an inverter example below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Running Power of the items selected, Watts – \u003cstrong\u003eWrt\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHighest Additional Starting Power out of the items selected, Watts – \u003cstrong\u003eWah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e*Highest power for sizing purpose, Watts – \u003cstrong\u003eWrt + Wah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e* It is assumed that only one out of the selected items starts at one time\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSince the AC loads rarely start at the same time, the load with the highest Additional Starting Power \u003cstrong\u003eWah\u003c\/strong\u003e has been factored in.\u003c\/p\u003e\n\u003cp\u003eExample:\u003cbr\u003e\u003c\/p\u003e\n\u003ctable id=\"tablepress-15\" class=\"tablepress tablepress-id-15 tablepress-responsive\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eRunning Power, Wr, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003eAdditional\u003cbr\u003eStarting Power or Additional Continuous Power *, Wa, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003eQuantity\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003eExtended\u003cbr\u003eRunning Power, Wt, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator – Electric Compressor based\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e800\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eColor TV\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e450\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eLaptop Adapter\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e240\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIncandescent Lamps\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e60\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e0\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e6\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e360\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*\u003c\/strong\u003e \u003cem\u003eAdditional Continuous Power is applicable to SMPS based loads that have no Power Factor Correction.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTotal Extended Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e = 200 + 225 + 120 + 360 = \u003cstrong\u003e905\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e = \u003cstrong\u003e800\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Power for sizing the inverter = Total Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e(905 W) + Highest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e (800 W) = \u003cstrong\u003e1705\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the electrical standards pertaining to DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThe DC input voltage must conform to that of the electrical system and battery bank. 12 volts is recommended for small, simple systems. 24 and 48 volts are the common standards for higher capacities. A higher voltage system carries less current, which makes the system wiring cheaper and easier.\u003c\/p\u003e\n\u003cp\u003eThe inverter’s AC output must conform to the conventional power in the region to run locally available appliances. The standard for AC utility service in North America is 120 and 240 Volts at a frequency of 60 Hertz (cycles per second). In Europe, South America, and most other places, it is 230 volts at 50 Hertz.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are \"continuous\" and \"surge\" power capacity ratings for DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-continuous-and-surge-power-capacity-ratings-for-DC-AC-inverters\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eHow much load can an inverter handle? Its power output is rated in Watts.  There are two levels of power rating -a continuous rating and a surge rating. Continuous means the amount of power the inverter can handle for an indefinite period of hours. When an inverter is rated at a certain number of Watts, that number generally refers to its continuous rating. The “surge power” indicates the power to handle instantaneous overload of a few seconds to provide the higher power required to start certain type of devices and appliances.  Resistive types of loads (like incandescent lamps, toaster, coffee maker, electric range, iron etc) do not require extra power to start. Their starting power is the same as their running power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow do \"surge power\" electrical loads affect DC-AC inverter operation?\u003c\/h5\u003e\n\u003cp\u003eIf an inverter cannot efficiently feed the surge power, it may simply shut down instead of starting the device. If the inverter’s surge capacity is marginal, its output voltage will dip during the surge. This can cause a dimming of the lights in the house, and will sometimes crash a computer.\u003c\/p\u003e\n\u003cp\u003eAny weakness in the battery and cabling to the inverter will further limit its ability to start a motor. A battery bank that is undersized, in poor condition, or has corroded connections, can be a weak link in the power chain. The inverter cables and the battery interconnect cables must be sized properly. The spike of DC current through these cables is many hundreds of amps at the instant of a motor starting for example.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter for loads that require starting surge?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-for-loads-that-require-starting-surge\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eObserve the following guideline to determine the continuous wattage of the inverter for powering loads that require starting surge. (Multiply the running watts of the device\/appliance by the Surge Factor)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e The surge power rating specified for this inverter is valid for duration of less than 1 second. This very short duration may not be sufficient to start motor based loads which may require up to 5 seconds to complete starting process. Hence, for purposes of sizing the inverter, use only the continuous power rating of this inverter.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable id=\"tablepress-16\" class=\"tablepress tablepress-id-16 tablepress-responsive\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eSurge Factor\u003cbr\u003e(No. of times the running power rating of the device\/appliance)\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator \/ Freezer\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e5\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eAir Compressors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e4\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDishwasher\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eSump pump\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-6 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eFurnace fans\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIndustrial motors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-8 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eCircular saw\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-9 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eBench Grinder\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-10 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003ePortable diesel \/ kerosene fuel heater\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e2\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to operate a microwave?\u003c\/h5\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe power rating of the microwave generally refers to the cooking power. The electrical power consumed by the microwave will be approximately 2 times the cooking power. The “surge power” of the inverter should be 2 times the electrical power (i.e., 4 times the cooking power). Please note that the surge power of the microwave is not as long as the motor load and hence, the surge power of the inverter can be considered to determine adequacy of meeting the starting surge power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to power a water supply pump?\u003c\/h5\u003e\n\u003cp\u003eA water well or pressure pump often places the greatest demand on the inverter. It warrants special consideration. Most pumps draw a very high surge of current during start up. The inverter must have sufficient surge capacity to handle it while running any other loads that may be on. It is important to size an inverter sufficiently, especially to handle the starting surge (If the exact starting rating is not available, the starting surge can be taken as 3 times the normal running rating of the pump). Oversize it still further if you want it to start the pump without causing lights to dim or blink.\u003c\/p\u003e\n\u003cp\u003eIn North America, most pumps (especially submersibles) run on 240 VAC, while smaller appliances and lights use 120 VAC. To obtain 240 VAC from a 120 VAC inverter, use a 120 VAC to 240 VAC transformer. If you do not already have a pump installed, you can get a 120 volt pump if you don’t need more than 1\/2 HP.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is \"idle power\" in a DC-AC inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-idle-power-in-a-DC-AC-inverter\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIdle power is the consumption of the inverter when it is on, but no loads are running. It is “wasted” power, so if you expect the inverter to be on for many hours during which there is very little load (as in most residential situations), you want this to be as low as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are Phantom and idling loads?\u003c\/h5\u003e\n\u003cp\u003eMost of the modern gadgets draw some power whenever they are plugged in. Some of them use power to do nothing at all. An example is a TV with a remote control. Its electric eye system is on day and night, watching for your signal to turn the screen on. Every appliance with an external wall-plug transformer uses power even when the appliance is turned off. These little loads are called “phantom loads” because their power draw is unexpected, unseen, and easily forgotten.\u003c\/p\u003e\n\u003cp\u003eA similar concern is “idling loads.” These are devices that must be on all the time in order to function when needed. These include smoke detectors, alarm systems, motion detector lights, fax machines, and answering machines. Central heating systems have a transformer in their thermostat circuit that stays on all the time. Cordless (rechargeable) appliances draw power even after their batteries reach a full charge. If in doubt, feel the device. If it’s warm, that indicates wasted energy.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eCan a standard DC-AC inverter be connected in parallel with another AC source\/ DC-AC inverter \/ electrical utility?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"Can-a-standard-DC-AC-inverter-be-connected-in-parallel-with-another-AC-source-DC-AC-inverter-electrical-utility\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe AC output of standard inverters cannot be synchronised with another AC source and hence, it is not suitable for paralleling. The AC output of the inverter should never be connected directly to an electrical breaker panel \/ load center which is also fed from the utility power \/generator. Such a connection may result in parallel operation of the different power sources and AC power from the utility \/ generator will be fed back into the inverter which will instantly damage the output section of the inverter and may also pose a fire and safety hazard.\u003c\/p\u003e\n\u003cp\u003eIf an electrical breaker panel \/ load center is fed from an inverter and this panel is also required to be powered from additional alternate AC sources, the AC power from all the AC sources like the utility \/ generator \/ inverter should first be fed to a manual selector switch and the output of the selector switch should be connected to the electrical breaker panel \/ load center. To prevent possibility of paralleling and severe damage to the inverter, never use a simple jumper cable with a male plug on both ends to connect the AC output of the inverter to a handy wall receptacle in the home\/RV.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow can DC-AC inverters be connected to multi-wire branch circuits?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-can-DC-AC-inverters-be-connected-to-multi-wire-branch-circuits\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eDo not directly connect the hot side of the inverter to the two hot legs of the 120 \/ 240 VAC electrical breaker panel \/ load centre where multi-wire ( common neutral ) branch circuit wiring method is used for distribution of AC power. This may lead to overloading\/overheating of the neutral conductor and is a risk of fire.\u003c\/p\u003e\n\u003cp\u003eA split phase transformer (isolated or auto-transformer ) of suitable wattage rating ( 25% more than the wattage rating of the inverter ) with primary of 120 VAC and secondary of 120 \/ 240 VAC ( Two 120 VAC split phases 180 degrees apart) should be used. The hot and neutral of the 120 VAC output of the inverter should be fed to the primary of this transformer and the 2 hot outputs (120 VAC split phases ) and the neutral from the secondary of this transformer should be connected to the electrical breaker panel\/ load centre.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to supply computer or printer loads?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eComputers and Printers generally come with in-built switch-mode power supplies (see application notes and FAQs on switch mode power supplies (SMPS)) that have extremely low power factor on account of the extremely peaky and non-linear nature of the current drawn by them from the AC source. Hence for such loads we recommend using inverters with three times the advertised power consumption of the computer or printer loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is the difference between a 12V, 24V and 48V inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-the-difference-between-a-12V-24V-and-48V-inverter\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eA 12-V can be fed from a 12V battery or DC supply. Similarly 24V and 48V inverters can be fed from 24V and 48V batteries\/DC power supplies, respectively. Cars usually have 12V batteries. Trucks have 24V batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-the-difference-between-a-12V-24V-and-48V-inverter\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-can-DC-AC-inverters-be-connected-to-multi-wire-branch-circuits\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-Phantom-and-idling-loads\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-power-a-water-supply-pump\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-power-a-water-supply-pump\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-types-of-electrical-loads-require-surge-power\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-the-electrical-standards-pertaining-to-DC-AC-inverters\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"What-are-the-advantages-of-Pure-Sine-Wave-inverters\" class=\"r-faqs--faq j-faqs--single\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Which-devices-will-not-function-properly-from-a-Modified-Sine-Wave-Inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Samlex","offers":[{"title":"Default Title","offer_id":46576230498530,"sku":"PST-1000F-12","price":550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5090\/1474\/files\/PST-1000F-12-1.jpg?v=1751453227"},{"product_id":"samlex-4200-watt-120-240-vac-split-phase-48v-inverter-charger","title":"Samlex EVO 4200 Watt, 120\/240 VAC Split Phase 48V Inverter\/Charger EVO-4248SP","description":"\u003ch2\u003eSamlex 4200 Watt, 120\/240 VAC Split Phase 48V Inverter\/Charger\u003c\/h2\u003e\n\u003cdiv class=\"o-product--description\"\u003e\n\u003cp\u003eNEW! Split phase pure sine wave inverter, adaptive battery charger, and transfer relay – ALL in ONE device. Samlex EVOLUTION™ Series Inverter \/ Chargers provide reliable AC power wherever it’s needed.\u003c\/p\u003e\n\u003cp\u003eThis 4200 watt, 120V \/240V split phase inverter\/charger connects into a standard electrical household panel. When you combine it with a 48V battery bank and a solar system you can run a fully equipped off-grid cabin, a remote mobile construction site, or use it as an emergency backup system.\u003c\/p\u003e\n\u003cp\u003eIntelligently integrates a 60 Amp, 4-stage Battery Charger and a 40 Amp Transfer Relay into an advanced and affordable off-grid power solution. For use with Lead Acid or Lithium-ion batteries.\u003c\/p\u003e\n\u003cp\u003eOptional\u003cspan\u003e \u003c\/span\u003eEVO-RC-PLUS remote control\u003cspan\u003e \u003c\/span\u003efor ease of programming and monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"vimeo-player\" src=\"https:\/\/player.vimeo.com\/video\/738781886?h=e36a93798f\" width=\"640\" height=\"360\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cdiv class=\"o-product-accordion--single j-accordion--single is__open\"\u003e\n\u003ch2\u003e\u003cspan\u003e\u003cstrong\u003ePower ALL your 120V and 240V appliances with the EVO-4248SP Inverter\/Charger\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg sizes=\"(max-width: 676px) 100vw, 676px\" srcset=\"https:\/\/samlexamerica.com\/wp-content\/uploads\/2022\/06\/120-240-electronics-diagram-crop.jpg 676w, https:\/\/samlexamerica.com\/wp-content\/uploads\/2022\/06\/120-240-electronics-diagram-crop-280x170.jpg 280w, https:\/\/samlexamerica.com\/wp-content\/uploads\/2022\/06\/120-240-electronics-diagram-crop-75x45.jpg 75w\" height=\"410\" width=\"676\" alt=\"120 240 split phase power inverter charger\" src=\"https:\/\/samlexamerica.com\/wp-content\/uploads\/2022\/06\/120-240-electronics-diagram-crop.jpg\" class=\"size-full wp-image-15481 aligncenter\" decoding=\"async\"\u003e\u003c\/p\u003e\n\u003ch2 class=\"o-product-accordion--header j-accordion--toggle\"\u003eFeatures\u003cspan class=\"icon-divider o-product-accordion--arrow\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"o-product-accordion--body j-accordion--body\"\u003e\n\u003cp\u003e\u003cstrong\u003e120 \/ 240 VAC Split Phase (Dual Phase)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSplit phase inverter connects into the standard household panel to provide both 120 and 240 VAC output power\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAC Input\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne AC input for grid or for generator, no need to reconfigure when different power source is available.\u003c\/li\u003e\n\u003cli\u003eAC input is programmable for voltage and frequency. User determines what the min and max thresholds are to switch from Grid or Generator to Inverter.\u003c\/li\u003e\n\u003cli\u003eGenerator start can be initiated by “Status Relay” contact, can be programmed to activate when grid is lost.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSolar Input\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnect a 48V MPPT solar charge controller directly to the EVO\u003csup\u003eTM\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003ethrough the 100 Amp Battery Charger external DC Input, seamlessly integrates solar charging into the EVO’s power system.\u003c\/li\u003e\n\u003cli\u003eONLINE Mode can be used to prioritize Batteries\/Inverter over the grid, ideal for those wishing to operate primarily on solar power (when the grid is available but costly).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Charger\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3 or 4 stage charging with Equalization (must be manually initiated).\u003c\/li\u003e\n\u003cli\u003eAdaptive algorithm is used during Bulk to assess the condition of lead-acid batteries. Subsequent stages are then based on the condition of the battery rather than pre-set time periods for Absorption and Float. Prevents unnecessary charging, extends the life of batteries.\u003c\/li\u003e\n\u003cli\u003eProgrammable – set battery voltage thresholds to initiate charging. Specific programmable settings for Lithium-ion batteries.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTransfer Switch\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eZero transfer time when switching from Inverter to Grid. When grid comes on, the inverter synchronizes with the wave form and then transfers instantly at zero crossing.\u003c\/li\u003e\n\u003cli\u003e\u0026lt;16ms transfer when going from Grid to Inverter. When grid is lost, the transfer relay switches to inverter at the correct place in the wave form for no power disruption.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSurge Capacity (Power Boost)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3X surge power for high surge loads on start-up, such as compressor or refrigerator\u003c\/li\u003e\n\u003cli\u003eAdditionally, the EVO\u003csup\u003eTM\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003ehas power overload allowances available for short periods of time. Overload allowances decrease with length of time. Increased inverter capacity, or “Active Power Boost,” means you can size your inverter smaller to handle heavy surge loads, reducing costs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eState-of-the-Art Technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe EVO\u003csup\u003eTM\u003c\/sup\u003e operates at 165 million instructions per second producing lightning fast load and response times\u003c\/li\u003e\n\u003cli\u003eThe EVO\u003csup\u003eTM\u003c\/sup\u003e is practically indestructible. It has “Bullet-Proof Intelligence” in the form of 9 physical points of protection monitoring being scanned up to 10,000 times per second for adverse conditions. The EVO\u003csup\u003eTM\u003c\/sup\u003e will detect fault conditions and initiate a healthy shutdown before any product damage can be done.\u003c\/li\u003e\n\u003cli\u003eThe\u003cspan\u003e \u003c\/span\u003eEVO-RC-PLUS\u003cspan\u003e \u003c\/span\u003eremote control (sold separately) can be used to capture detailed EVO\u003csup\u003eTM\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eperformance data. Records all detected faults and the conditions leading up to them. Data is stored on a removable 32GB SD Card (in the remote). Use data to analyze trends for more efficient use of system resources\u003c\/li\u003e\n\u003cli\u003eThe EVO\u003csup\u003eTM\u003c\/sup\u003e uses five temperature sensors placed throughout the unit to determine operation of 2 speed controlled cooling fans. Reduces unnecessary fan noise and energy consumption by only running when and where the fans are needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 4200 Watt, 120\/240 VAC Split Phase 48V Inverter\/Charger \u003cmeta charset=\"utf-8\"\u003eProduct Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 \/ 240 VAC Split Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWatts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4200 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12600 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutlets\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHardwired\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExternal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEVO-RC-PLUS (Optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e64 lbs \/ 29 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.8 x 16.3 x 8.35 in \/ 324 x 415 x 212 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCSA Listed, Conforms to: CAN\/CSA STD. C22.2 No. 107.1-16 and UL Std No. 1741 2nd Ed. EMI\/EMC Compliant with FCC Part 15(B), Class A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c!-- notionvc: 661d7d0a-cbdf-4e74-ad0d-ea0cd223c812 --\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Manual\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 4200 Watt, 120\/240 VAC Split Phase 48V Inverter\/Charger \u003cmeta charset=\"utf-8\"\u003eProduct Manual\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eSamlex Product Manual\u003c\/h2\u003e\n\u003ch2\u003eSamlex Specifications\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Warranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2 class=\"o-product--description\"\u003e3 Years Limited Warranty\u003c\/h2\u003e\n\u003ch3 class=\"o-product--description\"\u003eProduct FAQs\u003c\/h3\u003e\n\u003ch5 class=\"o-product--description\"\u003eWhat is a Pure Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-product--description\"\u003eThe output voltage of a sine wave inverter has a sine wave form like the sine wave form of the mains \/ utility voltage. In a sine wave, the voltage rises and falls smoothly with a smoothly changing phase angle and also changes its polarity instantly when it crosses 0 Volts.\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-the-advantages-of-Pure-Sine-Wave-inverters\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-a-Modified-Sine-Wave-Inverter\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIn a modified sine wave, the voltage rises and falls abruptly, the phase angle also changes abruptly and it sits at 0 Volts for some time before changing its polarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"Which-devices-will-not-function-properly-from-a-Modified-Sine-Wave-Inverter\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhich devices will not function properly from a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eAny device that uses a control circuitry that senses the phase (for voltage \/ speed control) or instantaneous zero voltage crossing (for timing control) will not work properly from a voltage that has a modified sine wave-form. Also, as the modified sine wave is a form of square wave, it is comprised of multiple sine waves of odd harmonics (multiples) of the fundamental frequency of the modified sine wave. For example, a 60 Hz. modified sine wave will consist of sine waves with odd harmonic frequencies of 3rd (180 Hz), 5th (300 Hz.), 7th (420 Hz.) and so on. The high frequency harmonic content in a modified sine wave produces enhanced radio interference, higher heating effect in motors \/ microwaves and produces overloading due to lowering of the impedance of low frequency filter capacitors \/ power factor improvement capacitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSome examples of devices that may not work properly with modified sine wave and may also get damaged are given below\u003c\/em\u003e\u003c\/p\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli\u003eLaser printers, photocopiers, magneto-optical hard drives\u003c\/li\u003e\n\u003cli\u003eThe built-in clocks in devices such as clock radios, alarm clocks, coffee makers, bread-makers, VCR, microwave ovens etc may not keep time correctly\u003c\/li\u003e\n\u003cli\u003eOutput voltage control devices like dimmers, ceiling fan \/ motor speed control may not work properly (dimming \/ speed control may not function)\u003c\/li\u003e\n\u003cli\u003eSewing machines with speed \/ microprocessor control\u003c\/li\u003e\n\u003cli\u003eTransformer-less capacitive input powered devices like (i) Razors, flashlights, night-lights, smoke detectors etc (ii) Re-chargers for battery packs used in hand power tools.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eDevices that use radio frequency signals carried by the AC distribution wiring\u003c\/li\u003e\n\u003cli\u003eSome new furnaces with microprocessor control \/ Oil burner primary controls\u003c\/li\u003e\n\u003cli\u003eHigh intensity discharge (HID) lamps like Metal Halide lamps.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eSome fluorescent lamps \/ light fixtures that have power factor correction capacitors.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThe inverter may shut down indicating overload\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a DC-AC inverter?\u003c\/h5\u003e\n\u003cp\u003eWhen you plug anything into the wall in your home you are usually “plugging in” to the power-grid provided as a service by your utility company. Your utility company supplies you with alternating current (AC) electricity. AC electricity flows in alternate directions many times per second. AC is used for utility grid service because it is more practical for long distance transmission.\u003c\/p\u003e\n\u003cp\u003eBatteries provide direct current electricity (DC) electricity which flows in a single direction.  DC power is what is used in many electronics in the home like laptops, solar cells, LED bulbs, and electric vehicles.  They usually have built-in converters to take the AC power received from a plug-in and convert it to DC.\u003c\/p\u003e\n\u003cp\u003eAn inverter (converter) acts as a power adapter as it converts DC to AC,  AC to DC, and can also change the voltage. It allows a battery-based system to run conventional AC appliances directly or through conventional home wiring.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the criteria for selecting the right inverter for a particular application?\u003c\/h5\u003e\n\u003cdiv id=\"What-are-the-criteria-for-selecting-the-right-inverter-for-a-particular-application\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eTo choose an inverter; you should first define your needs. Where is the inverter to be used? Inverters are available for use in buildings (including homes), for recreational vehicles, boats, and portable applications. Will it be connected to the utility grid in some way? Electrical conventions and safety standards differ for various applications, so don’t improvise.\u003c\/p\u003e\n\u003cp\u003eWhen sizing an inverter, you need to take into consideration both the\u003cstrong\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003erunning power\u003c\/em\u003e\u003c\/strong\u003e \u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cstrong\u003e(continuous)\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eand the additional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cem\u003estarting surge power\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements of the AC side loads.\u003c\/p\u003e\n\u003cp\u003eSome loads require much higher starting surge power for the first few seconds before settling down at the running power. The inverter should be sized on the basis of the starting surge power of the AC side load. The total starting surge power is equal to the normal running power plus the additional starting power. The following symbols and equation will be used for explanation purposes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRunning Power, Watts – \u003cstrong\u003eWr\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdditional Starting Power or Additional Continuous Power, Watts – \u003cstrong\u003eWa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Starting Surge Power, Watts = Running Power (\u003cstrong\u003eWr\u003c\/strong\u003e) + Additional Starting Power \/ Additional Continuous Power (\u003cstrong\u003eWa\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe specifications of inverters may include a rating termed Surge Power. Normally, the duration of this Surge Power rating is not quantified in the specifications and is assumed to last for less than 1 second. Unless the Surge Power Rating of the inverter is specified to last for \u0026gt; 5 seconds, this Surge Power specification of the inverter should not be considered for purposes of sizing loads with high and prolonged starting surge power.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOnly the Continuous Power rating of the inverter should be considered in such cases\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eElectric motor driven compressor\/pump based loads like refrigerators\/freezers, air conditioners, air compressors, sump and well pumps, etc. require a very high Starting Surge Power of around 5 to 7 times the Running Power for the initial start up. This Starting Surge Power may last for 2 to 5 seconds.  The Additional Starting Power\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 4 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSwitched Mode Power Supplies (SMPS) that do not have Power Factor correction draw a non linear, pulsing current with a high Crest Factor (Ratio of instantaneous value and the RMS value) that may reach a value of 4. Also, the effective Power Factor of these types of power supplies is very low around 0.6. If the inverter is sized based on the Running Power of these units, the inverter will be continuously overloaded from instant to instant due to the higher peaks of the pulsing current. The inverter for these units should be sized at 3 times the Running Power of the power supply. Alternatively, for sizing purposes, the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Consumer electronics like computers, TV, VCR, audio\/ video devices, etc. use this type of power supply.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(Please note that this sizing is not applicable if the SMPS has Power Factor correction and the Power Factor is around 0.9)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMotors used in washing machines have to start under load due to the weight of the clothes, water and the drum. Hence, the Additional Starting Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. This starting power normally lasts from 2 to 5 seconds.\u003c\/p\u003e\n\u003cp\u003eThe Watt rating of the microwaves normally indicates output cooking power in Watts. As the microwave is not an efficient device, the AC input power in Watts should be taken as 2 times the output cooking power in Watts i.e. the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 1 time the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Hence, a microwave with 900 Watt cooking power will require an 1800 Watt inverter. \u003cstrong\u003e(If the power rating of the inverter is indicated as the AC input power in Watts, the factor of 2 is not applicable).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe following symbols and equations are used in the sizing of an inverter example below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Running Power of the items selected, Watts – \u003cstrong\u003eWrt\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHighest Additional Starting Power out of the items selected, Watts – \u003cstrong\u003eWah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e*Highest power for sizing purpose, Watts – \u003cstrong\u003eWrt + Wah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e* It is assumed that only one out of the selected items starts at one time\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSince the AC loads rarely start at the same time, the load with the highest Additional Starting Power \u003cstrong\u003eWah\u003c\/strong\u003e has been factored in.\u003c\/p\u003e\n\u003cp\u003eExample:\u003cbr\u003e\u003c\/p\u003e\n\u003ctable class=\"tablepress tablepress-id-15 tablepress-responsive\" id=\"tablepress-15\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eRunning Power, Wr, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003eAdditional\u003cbr\u003eStarting Power or Additional Continuous Power *, Wa, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003eQuantity\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003eExtended\u003cbr\u003eRunning Power, Wt, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator – Electric Compressor based\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e800\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eColor TV\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e450\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eLaptop Adapter\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e240\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIncandescent Lamps\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e60\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e0\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e6\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e360\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*\u003c\/strong\u003e \u003cem\u003eAdditional Continuous Power is applicable to SMPS based loads that have no Power Factor Correction.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTotal Extended Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e = 200 + 225 + 120 + 360 = \u003cstrong\u003e905\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e = \u003cstrong\u003e800\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Power for sizing the inverter = Total Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e(905 W) + Highest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e (800 W) = \u003cstrong\u003e1705\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the electrical standards pertaining to DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThe DC input voltage must conform to that of the electrical system and battery bank. 12 volts is recommended for small, simple systems. 24 and 48 volts are the common standards for higher capacities. A higher voltage system carries less current, which makes the system wiring cheaper and easier.\u003c\/p\u003e\n\u003cp\u003eThe inverter’s AC output must conform to the conventional power in the region to run locally available appliances. The standard for AC utility service in North America is 120 and 240 Volts at a frequency of 60 Hertz (cycles per second). In Europe, South America, and most other places, it is 230 volts at 50 Hertz.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are \"continuous\" and \"surge\" power capacity ratings for DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv id=\"What-are-continuous-and-surge-power-capacity-ratings-for-DC-AC-inverters\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eHow much load can an inverter handle? Its power output is rated in Watts.  There are two levels of power rating -a continuous rating and a surge rating. Continuous means the amount of power the inverter can handle for an indefinite period of hours. When an inverter is rated at a certain number of Watts, that number generally refers to its continuous rating. The “surge power” indicates the power to handle instantaneous overload of a few seconds to provide the higher power required to start certain type of devices and appliances.  Resistive types of loads (like incandescent lamps, toaster, coffee maker, electric range, iron etc) do not require extra power to start. Their starting power is the same as their running power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow do \"surge power\" electrical loads affect DC-AC inverter operation?\u003c\/h5\u003e\n\u003cp\u003eIf an inverter cannot efficiently feed the surge power, it may simply shut down instead of starting the device. If the inverter’s surge capacity is marginal, its output voltage will dip during the surge. This can cause a dimming of the lights in the house, and will sometimes crash a computer.\u003c\/p\u003e\n\u003cp\u003eAny weakness in the battery and cabling to the inverter will further limit its ability to start a motor. A battery bank that is undersized, in poor condition, or has corroded connections, can be a weak link in the power chain. The inverter cables and the battery interconnect cables must be sized properly. The spike of DC current through these cables is many hundreds of amps at the instant of a motor starting for example.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter for loads that require starting surge?\u003c\/h5\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-for-loads-that-require-starting-surge\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eObserve the following guideline to determine the continuous wattage of the inverter for powering loads that require starting surge. (Multiply the running watts of the device\/appliance by the Surge Factor)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e The surge power rating specified for this inverter is valid for duration of less than 1 second. This very short duration may not be sufficient to start motor based loads which may require up to 5 seconds to complete starting process. Hence, for purposes of sizing the inverter, use only the continuous power rating of this inverter.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable class=\"tablepress tablepress-id-16 tablepress-responsive\" id=\"tablepress-16\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eSurge Factor\u003cbr\u003e(No. of times the running power rating of the device\/appliance)\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator \/ Freezer\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e5\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eAir Compressors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e4\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDishwasher\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eSump pump\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-6 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eFurnace fans\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIndustrial motors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-8 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eCircular saw\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-9 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eBench Grinder\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-10 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003ePortable diesel \/ kerosene fuel heater\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e2\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to operate a microwave?\u003c\/h5\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe power rating of the microwave generally refers to the cooking power. The electrical power consumed by the microwave will be approximately 2 times the cooking power. The “surge power” of the inverter should be 2 times the electrical power (i.e., 4 times the cooking power). Please note that the surge power of the microwave is not as long as the motor load and hence, the surge power of the inverter can be considered to determine adequacy of meeting the starting surge power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to power a water supply pump?\u003c\/h5\u003e\n\u003cp\u003eA water well or pressure pump often places the greatest demand on the inverter. It warrants special consideration. Most pumps draw a very high surge of current during start up. The inverter must have sufficient surge capacity to handle it while running any other loads that may be on. It is important to size an inverter sufficiently, especially to handle the starting surge (If the exact starting rating is not available, the starting surge can be taken as 3 times the normal running rating of the pump). Oversize it still further if you want it to start the pump without causing lights to dim or blink.\u003c\/p\u003e\n\u003cp\u003eIn North America, most pumps (especially submersibles) run on 240 VAC, while smaller appliances and lights use 120 VAC. To obtain 240 VAC from a 120 VAC inverter, use a 120 VAC to 240 VAC transformer. If you do not already have a pump installed, you can get a 120 volt pump if you don’t need more than 1\/2 HP.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is \"idle power\" in a DC-AC inverter?\u003c\/h5\u003e\n\u003cdiv id=\"What-is-idle-power-in-a-DC-AC-inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIdle power is the consumption of the inverter when it is on, but no loads are running. It is “wasted” power, so if you expect the inverter to be on for many hours during which there is very little load (as in most residential situations), you want this to be as low as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are Phantom and idling loads?\u003c\/h5\u003e\n\u003cp\u003eMost of the modern gadgets draw some power whenever they are plugged in. Some of them use power to do nothing at all. An example is a TV with a remote control. Its electric eye system is on day and night, watching for your signal to turn the screen on. Every appliance with an external wall-plug transformer uses power even when the appliance is turned off. These little loads are called “phantom loads” because their power draw is unexpected, unseen, and easily forgotten.\u003c\/p\u003e\n\u003cp\u003eA similar concern is “idling loads.” These are devices that must be on all the time in order to function when needed. These include smoke detectors, alarm systems, motion detector lights, fax machines, and answering machines. Central heating systems have a transformer in their thermostat circuit that stays on all the time. Cordless (rechargeable) appliances draw power even after their batteries reach a full charge. If in doubt, feel the device. If it’s warm, that indicates wasted energy.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eCan a standard DC-AC inverter be connected in parallel with another AC source\/ DC-AC inverter \/ electrical utility?\u003c\/h5\u003e\n\u003cdiv id=\"Can-a-standard-DC-AC-inverter-be-connected-in-parallel-with-another-AC-source-DC-AC-inverter-electrical-utility\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe AC output of standard inverters cannot be synchronised with another AC source and hence, it is not suitable for paralleling. The AC output of the inverter should never be connected directly to an electrical breaker panel \/ load center which is also fed from the utility power \/generator. Such a connection may result in parallel operation of the different power sources and AC power from the utility \/ generator will be fed back into the inverter which will instantly damage the output section of the inverter and may also pose a fire and safety hazard.\u003c\/p\u003e\n\u003cp\u003eIf an electrical breaker panel \/ load center is fed from an inverter and this panel is also required to be powered from additional alternate AC sources, the AC power from all the AC sources like the utility \/ generator \/ inverter should first be fed to a manual selector switch and the output of the selector switch should be connected to the electrical breaker panel \/ load center. To prevent possibility of paralleling and severe damage to the inverter, never use a simple jumper cable with a male plug on both ends to connect the AC output of the inverter to a handy wall receptacle in the home\/RV.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow can DC-AC inverters be connected to multi-wire branch circuits?\u003c\/h5\u003e\n\u003cdiv id=\"How-can-DC-AC-inverters-be-connected-to-multi-wire-branch-circuits\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eDo not directly connect the hot side of the inverter to the two hot legs of the 120 \/ 240 VAC electrical breaker panel \/ load centre where multi-wire ( common neutral ) branch circuit wiring method is used for distribution of AC power. This may lead to overloading\/overheating of the neutral conductor and is a risk of fire.\u003c\/p\u003e\n\u003cp\u003eA split phase transformer (isolated or auto-transformer ) of suitable wattage rating ( 25% more than the wattage rating of the inverter ) with primary of 120 VAC and secondary of 120 \/ 240 VAC ( Two 120 VAC split phases 180 degrees apart) should be used. The hot and neutral of the 120 VAC output of the inverter should be fed to the primary of this transformer and the 2 hot outputs (120 VAC split phases ) and the neutral from the secondary of this transformer should be connected to the electrical breaker panel\/ load centre.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to supply computer or printer loads?\u003c\/h5\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eComputers and Printers generally come with in-built switch-mode power supplies (see application notes and FAQs on switch mode power supplies (SMPS)) that have extremely low power factor on account of the extremely peaky and non-linear nature of the current drawn by them from the AC source. Hence for such loads we recommend using inverters with three times the advertised power consumption of the computer or printer loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is the difference between a 12V, 24V and 48V inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv id=\"What-is-the-difference-between-a-12V-24V-and-48V-inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eA 12-V can be fed from a 12V battery or DC supply. Similarly 24V and 48V inverters can be fed from 24V and 48V batteries\/DC power supplies, respectively. Cars usually have 12V batteries. Trucks have 24V batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Samlex","offers":[{"title":"Default Title","offer_id":46576230596834,"sku":"EVO-4248SP","price":1790.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5090\/1474\/files\/EVO-4248SP_SideView.jpg?v=1751453235"},{"product_id":"samlex-4000-watts-24v-pure-sine-inverter-charger","title":"Samlex EVO 4000 Watts 24V Pure Sine Inverter\/Charger EVO-4024","description":"\u003ch2\u003eSamlex 4000 Watts 24V Pure Sine Inverter\/Charger\u003c\/h2\u003e\n\u003cp\u003ePure sine wave inverter, adaptive battery charger, transfer relay – All in ONE unit. Samlex Evolution Series inverter\/chargers provide reliable AC power wherever it’s needed. For use with boats, RVs, cabins and specialty vehicles, as well as alternative energy, back-up and emergency power applications.\u003c\/p\u003e\n\u003cp\u003eUsing state-of-the-art technology, the Samlex EVO inverter\/charger operates at 165 million instructions per second with lightning fast load \u0026amp; response times, has 9 points of physical protection monitoring (being scanned up to 10,000 times per second) to detect fault conditions \u0026amp; protect itself in a vast range of adverse environments.\u003c\/p\u003e\n\u003cp\u003eThe EVO-4024 is a 4000 Watt Pure Sine inverter, 24 VDC input, 120 VAC output, 50\/60 Hz. It intelligently integrates a 110 Amp 4 stage Battery Charger and a 70 Amp Transfer Relay into an advanced and affordable off-grid power solution.\u003c\/p\u003e\n\u003cp\u003eAlso available in\u003cspan\u003e \u003c\/span\u003e230 VAC output\u003c\/p\u003e\n\u003cp\u003eEVO-RC remote control\u003cspan\u003e \u003c\/span\u003esold separately\u003c\/p\u003e\n\u003ch2 class=\"o-product-accordion--header j-accordion--toggle\"\u003eFeatures\u003cspan class=\"icon-divider o-product-accordion--arrow\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"o-product-accordion--body j-accordion--body\"\u003e\n\u003cp\u003e\u003cstrong\u003eAC Inputs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo separate AC inputs – one for grid (priority #1), one for generator (priority #2), connect simultaneously, no need to reconfigure when different power sources are available.\u003c\/li\u003e\n\u003cli\u003eEach AC input is programmable for voltage and frequency. User determines what the min and max thresholds are to switch from Grid or Generator to Inverter.\u003c\/li\u003e\n\u003cli\u003eGenerator start can be initiated by “Status Relay” contact, can be programmed to activate when grid is lost.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSolar Input\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnect a solar charge controller directly to the EVO\u003csup\u003eTM\u003c\/sup\u003e through the Battery Charger external DC Input, seamlessly integrates solar charging into the EVO’s power system.\u003c\/li\u003e\n\u003cli\u003eONLINE Mode can be used to prioritize Batteries\/Inverter over the grid, ideal for those wishing to operate primarily on solar power (when the grid is available, but might be costly).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Charger\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3 or 4 stage charging with Equalization (must be manually initiated).\u003c\/li\u003e\n\u003cli\u003eAdaptive algorithm is used during Bulk to assess the condition of the battery. Subsequent stages are then based on the condition of the battery rather than pre-set time periods for Absorption and Float. Prevents unnecessary charging, extends the life of batteries.\u003c\/li\u003e\n\u003cli\u003eProgrammable – set battery voltage thresholds to initiate charging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTransfer Switch\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eZero transfer time when switching from Inverter to Grid. When grid comes on, the inverter synchronizes with the wave form and then transfers instantly at zero crossing.\u003c\/li\u003e\n\u003cli\u003e\u0026lt;16ms transfer when going from Grid to Inverter. When grid is lost, the transfer relay switches to inverter at the correct place in the wave form, the transfer takes less than 16ms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSurge Capacity (Power Boost)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe EVO\u003csup\u003eTM\u003c\/sup\u003e has 3X surge power\u003c\/li\u003e\n\u003cli\u003eAdditionally, the EVO\u003csup\u003eTM\u003c\/sup\u003e has large power overload allowances available for long periods of time. Increased inverter capacity means you can size your inverter smaller to handle heavy surge loads, reducing costs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eState-of-the-Art Technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe EVO\u003csup\u003eTM\u003c\/sup\u003e operates at 165 million instructions per second producing lightning fast load and response times\u003c\/li\u003e\n\u003cli\u003eThe EVO\u003csup\u003eTM\u003c\/sup\u003e is practically indestructible. It has “Bullet-Proof Intelligence” in the form of 9 physical points of protection monitoring being scanned up to 10,000 times per second for adverse conditions. The EVO\u003csup\u003eTM\u003c\/sup\u003e will detect fault conditions and initiate a healthy shutdown before any product damage can be done.\u003c\/li\u003e\n\u003cli\u003eThe EVO-RC remote control (sold separately) can be used to capture detailed EVO\u003csup\u003eTM\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eperformance data. Records all detected faults and the conditions leading up to them. Data is stored on a removable 32GB SD Card (in the remote). Use data to analyze trends for more efficient use of system resources\u003c\/li\u003e\n\u003cli\u003eThe EVO\u003csup\u003eTM\u003c\/sup\u003e uses five temperature sensors placed throughout the unit to determine operation of 2 speed controlled cooling fans. Reduces unnecessary fan noise and energy consumption by only running when and where the fans are needed.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 4000 Watts 24V Pure Sine Inverter\/Charger \u003cmeta charset=\"utf-8\"\u003eProduct Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWatts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4000 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12000 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutlets\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHardwired\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExternal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEVO-RC (Optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e64 lbs \/ 29 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.79 x 16.77 x 8.15 in \/ 325 x 426 x 207 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eETL safety listed to stringent UL standards: 1741, 458, and CSA C22.2 No. 107.1-01. EMI\/EMC compliant with FCC Part 15(B), Class A. RoHS Compliant.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProduct Manual\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 4000 Watts 24V Pure Sine Inverter\/Charger \u003cmeta charset=\"utf-8\"\u003eProduct \u003cmeta charset=\"utf-8\"\u003eManual\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eSamlex Product Manual\u003c\/h2\u003e\n\u003ch2\u003eSamlex Specifications\u003c\/h2\u003e\n\u003ch2\u003eSamlex Quick Start Guide\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Warranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2 class=\"o-product--description\"\u003e3 Years Limited Warranty\u003c\/h2\u003e\n\u003ch3 class=\"o-product--description\"\u003eProduct FAQs\u003c\/h3\u003e\n\u003ch5 class=\"o-product--description\"\u003eWhat is a Pure Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-product--description\"\u003eThe output voltage of a sine wave inverter has a sine wave form like the sine wave form of the mains \/ utility voltage. In a sine wave, the voltage rises and falls smoothly with a smoothly changing phase angle and also changes its polarity instantly when it crosses 0 Volts.\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cdiv id=\"What-are-the-advantages-of-Pure-Sine-Wave-inverters\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"What-is-a-Modified-Sine-Wave-Inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIn a modified sine wave, the voltage rises and falls abruptly, the phase angle also changes abruptly and it sits at 0 Volts for some time before changing its polarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv id=\"Which-devices-will-not-function-properly-from-a-Modified-Sine-Wave-Inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhich devices will not function properly from a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eAny device that uses a control circuitry that senses the phase (for voltage \/ speed control) or instantaneous zero voltage crossing (for timing control) will not work properly from a voltage that has a modified sine wave-form. Also, as the modified sine wave is a form of square wave, it is comprised of multiple sine waves of odd harmonics (multiples) of the fundamental frequency of the modified sine wave. For example, a 60 Hz. modified sine wave will consist of sine waves with odd harmonic frequencies of 3rd (180 Hz), 5th (300 Hz.), 7th (420 Hz.) and so on. The high frequency harmonic content in a modified sine wave produces enhanced radio interference, higher heating effect in motors \/ microwaves and produces overloading due to lowering of the impedance of low frequency filter capacitors \/ power factor improvement capacitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSome examples of devices that may not work properly with modified sine wave and may also get damaged are given below\u003c\/em\u003e\u003c\/p\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli\u003eLaser printers, photocopiers, magneto-optical hard drives\u003c\/li\u003e\n\u003cli\u003eThe built-in clocks in devices such as clock radios, alarm clocks, coffee makers, bread-makers, VCR, microwave ovens etc may not keep time correctly\u003c\/li\u003e\n\u003cli\u003eOutput voltage control devices like dimmers, ceiling fan \/ motor speed control may not work properly (dimming \/ speed control may not function)\u003c\/li\u003e\n\u003cli\u003eSewing machines with speed \/ microprocessor control\u003c\/li\u003e\n\u003cli\u003eTransformer-less capacitive input powered devices like (i) Razors, flashlights, night-lights, smoke detectors etc (ii) Re-chargers for battery packs used in hand power tools.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eDevices that use radio frequency signals carried by the AC distribution wiring\u003c\/li\u003e\n\u003cli\u003eSome new furnaces with microprocessor control \/ Oil burner primary controls\u003c\/li\u003e\n\u003cli\u003eHigh intensity discharge (HID) lamps like Metal Halide lamps.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eSome fluorescent lamps \/ light fixtures that have power factor correction capacitors.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThe inverter may shut down indicating overload\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a DC-AC inverter?\u003c\/h5\u003e\n\u003cp\u003eWhen you plug anything into the wall in your home you are usually “plugging in” to the power-grid provided as a service by your utility company. Your utility company supplies you with alternating current (AC) electricity. AC electricity flows in alternate directions many times per second. AC is used for utility grid service because it is more practical for long distance transmission.\u003c\/p\u003e\n\u003cp\u003eBatteries provide direct current electricity (DC) electricity which flows in a single direction.  DC power is what is used in many electronics in the home like laptops, solar cells, LED bulbs, and electric vehicles.  They usually have built-in converters to take the AC power received from a plug-in and convert it to DC.\u003c\/p\u003e\n\u003cp\u003eAn inverter (converter) acts as a power adapter as it converts DC to AC,  AC to DC, and can also change the voltage. It allows a battery-based system to run conventional AC appliances directly or through conventional home wiring.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the criteria for selecting the right inverter for a particular application?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-the-criteria-for-selecting-the-right-inverter-for-a-particular-application\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eTo choose an inverter; you should first define your needs. Where is the inverter to be used? Inverters are available for use in buildings (including homes), for recreational vehicles, boats, and portable applications. Will it be connected to the utility grid in some way? Electrical conventions and safety standards differ for various applications, so don’t improvise.\u003c\/p\u003e\n\u003cp\u003eWhen sizing an inverter, you need to take into consideration both the\u003cstrong\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003erunning power\u003c\/em\u003e\u003c\/strong\u003e \u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cstrong\u003e(continuous)\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eand the additional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cem\u003estarting surge power\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements of the AC side loads.\u003c\/p\u003e\n\u003cp\u003eSome loads require much higher starting surge power for the first few seconds before settling down at the running power. The inverter should be sized on the basis of the starting surge power of the AC side load. The total starting surge power is equal to the normal running power plus the additional starting power. The following symbols and equation will be used for explanation purposes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRunning Power, Watts – \u003cstrong\u003eWr\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdditional Starting Power or Additional Continuous Power, Watts – \u003cstrong\u003eWa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Starting Surge Power, Watts = Running Power (\u003cstrong\u003eWr\u003c\/strong\u003e) + Additional Starting Power \/ Additional Continuous Power (\u003cstrong\u003eWa\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe specifications of inverters may include a rating termed Surge Power. Normally, the duration of this Surge Power rating is not quantified in the specifications and is assumed to last for less than 1 second. Unless the Surge Power Rating of the inverter is specified to last for \u0026gt; 5 seconds, this Surge Power specification of the inverter should not be considered for purposes of sizing loads with high and prolonged starting surge power.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOnly the Continuous Power rating of the inverter should be considered in such cases\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eElectric motor driven compressor\/pump based loads like refrigerators\/freezers, air conditioners, air compressors, sump and well pumps, etc. require a very high Starting Surge Power of around 5 to 7 times the Running Power for the initial start up. This Starting Surge Power may last for 2 to 5 seconds.  The Additional Starting Power\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 4 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSwitched Mode Power Supplies (SMPS) that do not have Power Factor correction draw a non linear, pulsing current with a high Crest Factor (Ratio of instantaneous value and the RMS value) that may reach a value of 4. Also, the effective Power Factor of these types of power supplies is very low around 0.6. If the inverter is sized based on the Running Power of these units, the inverter will be continuously overloaded from instant to instant due to the higher peaks of the pulsing current. The inverter for these units should be sized at 3 times the Running Power of the power supply. Alternatively, for sizing purposes, the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Consumer electronics like computers, TV, VCR, audio\/ video devices, etc. use this type of power supply.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(Please note that this sizing is not applicable if the SMPS has Power Factor correction and the Power Factor is around 0.9)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMotors used in washing machines have to start under load due to the weight of the clothes, water and the drum. Hence, the Additional Starting Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. This starting power normally lasts from 2 to 5 seconds.\u003c\/p\u003e\n\u003cp\u003eThe Watt rating of the microwaves normally indicates output cooking power in Watts. As the microwave is not an efficient device, the AC input power in Watts should be taken as 2 times the output cooking power in Watts i.e. the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 1 time the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Hence, a microwave with 900 Watt cooking power will require an 1800 Watt inverter. \u003cstrong\u003e(If the power rating of the inverter is indicated as the AC input power in Watts, the factor of 2 is not applicable).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe following symbols and equations are used in the sizing of an inverter example below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Running Power of the items selected, Watts – \u003cstrong\u003eWrt\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHighest Additional Starting Power out of the items selected, Watts – \u003cstrong\u003eWah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e*Highest power for sizing purpose, Watts – \u003cstrong\u003eWrt + Wah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e* It is assumed that only one out of the selected items starts at one time\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSince the AC loads rarely start at the same time, the load with the highest Additional Starting Power \u003cstrong\u003eWah\u003c\/strong\u003e has been factored in.\u003c\/p\u003e\n\u003cp\u003eExample:\u003cbr\u003e\u003c\/p\u003e\n\u003ctable id=\"tablepress-15\" class=\"tablepress tablepress-id-15 tablepress-responsive\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eRunning Power, Wr, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003eAdditional\u003cbr\u003eStarting Power or Additional Continuous Power *, Wa, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003eQuantity\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003eExtended\u003cbr\u003eRunning Power, Wt, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator – Electric Compressor based\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e800\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eColor TV\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e450\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eLaptop Adapter\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e240\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIncandescent Lamps\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e60\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e0\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e6\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e360\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*\u003c\/strong\u003e \u003cem\u003eAdditional Continuous Power is applicable to SMPS based loads that have no Power Factor Correction.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTotal Extended Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e = 200 + 225 + 120 + 360 = \u003cstrong\u003e905\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e = \u003cstrong\u003e800\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Power for sizing the inverter = Total Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e(905 W) + Highest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e (800 W) = \u003cstrong\u003e1705\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the electrical standards pertaining to DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThe DC input voltage must conform to that of the electrical system and battery bank. 12 volts is recommended for small, simple systems. 24 and 48 volts are the common standards for higher capacities. A higher voltage system carries less current, which makes the system wiring cheaper and easier.\u003c\/p\u003e\n\u003cp\u003eThe inverter’s AC output must conform to the conventional power in the region to run locally available appliances. The standard for AC utility service in North America is 120 and 240 Volts at a frequency of 60 Hertz (cycles per second). In Europe, South America, and most other places, it is 230 volts at 50 Hertz.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are \"continuous\" and \"surge\" power capacity ratings for DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-continuous-and-surge-power-capacity-ratings-for-DC-AC-inverters\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eHow much load can an inverter handle? Its power output is rated in Watts.  There are two levels of power rating -a continuous rating and a surge rating. Continuous means the amount of power the inverter can handle for an indefinite period of hours. When an inverter is rated at a certain number of Watts, that number generally refers to its continuous rating. The “surge power” indicates the power to handle instantaneous overload of a few seconds to provide the higher power required to start certain type of devices and appliances.  Resistive types of loads (like incandescent lamps, toaster, coffee maker, electric range, iron etc) do not require extra power to start. Their starting power is the same as their running power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow do \"surge power\" electrical loads affect DC-AC inverter operation?\u003c\/h5\u003e\n\u003cp\u003eIf an inverter cannot efficiently feed the surge power, it may simply shut down instead of starting the device. If the inverter’s surge capacity is marginal, its output voltage will dip during the surge. This can cause a dimming of the lights in the house, and will sometimes crash a computer.\u003c\/p\u003e\n\u003cp\u003eAny weakness in the battery and cabling to the inverter will further limit its ability to start a motor. A battery bank that is undersized, in poor condition, or has corroded connections, can be a weak link in the power chain. The inverter cables and the battery interconnect cables must be sized properly. The spike of DC current through these cables is many hundreds of amps at the instant of a motor starting for example.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter for loads that require starting surge?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-for-loads-that-require-starting-surge\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eObserve the following guideline to determine the continuous wattage of the inverter for powering loads that require starting surge. (Multiply the running watts of the device\/appliance by the Surge Factor)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e The surge power rating specified for this inverter is valid for duration of less than 1 second. This very short duration may not be sufficient to start motor based loads which may require up to 5 seconds to complete starting process. Hence, for purposes of sizing the inverter, use only the continuous power rating of this inverter.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable id=\"tablepress-16\" class=\"tablepress tablepress-id-16 tablepress-responsive\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eSurge Factor\u003cbr\u003e(No. of times the running power rating of the device\/appliance)\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator \/ Freezer\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e5\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eAir Compressors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e4\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDishwasher\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eSump pump\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-6 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eFurnace fans\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIndustrial motors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-8 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eCircular saw\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-9 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eBench Grinder\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-10 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003ePortable diesel \/ kerosene fuel heater\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e2\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to operate a microwave?\u003c\/h5\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe power rating of the microwave generally refers to the cooking power. The electrical power consumed by the microwave will be approximately 2 times the cooking power. The “surge power” of the inverter should be 2 times the electrical power (i.e., 4 times the cooking power). Please note that the surge power of the microwave is not as long as the motor load and hence, the surge power of the inverter can be considered to determine adequacy of meeting the starting surge power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to power a water supply pump?\u003c\/h5\u003e\n\u003cp\u003eA water well or pressure pump often places the greatest demand on the inverter. It warrants special consideration. Most pumps draw a very high surge of current during start up. The inverter must have sufficient surge capacity to handle it while running any other loads that may be on. It is important to size an inverter sufficiently, especially to handle the starting surge (If the exact starting rating is not available, the starting surge can be taken as 3 times the normal running rating of the pump). Oversize it still further if you want it to start the pump without causing lights to dim or blink.\u003c\/p\u003e\n\u003cp\u003eIn North America, most pumps (especially submersibles) run on 240 VAC, while smaller appliances and lights use 120 VAC. To obtain 240 VAC from a 120 VAC inverter, use a 120 VAC to 240 VAC transformer. If you do not already have a pump installed, you can get a 120 volt pump if you don’t need more than 1\/2 HP.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is \"idle power\" in a DC-AC inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-idle-power-in-a-DC-AC-inverter\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIdle power is the consumption of the inverter when it is on, but no loads are running. It is “wasted” power, so if you expect the inverter to be on for many hours during which there is very little load (as in most residential situations), you want this to be as low as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are Phantom and idling loads?\u003c\/h5\u003e\n\u003cp\u003eMost of the modern gadgets draw some power whenever they are plugged in. Some of them use power to do nothing at all. An example is a TV with a remote control. Its electric eye system is on day and night, watching for your signal to turn the screen on. Every appliance with an external wall-plug transformer uses power even when the appliance is turned off. These little loads are called “phantom loads” because their power draw is unexpected, unseen, and easily forgotten.\u003c\/p\u003e\n\u003cp\u003eA similar concern is “idling loads.” These are devices that must be on all the time in order to function when needed. These include smoke detectors, alarm systems, motion detector lights, fax machines, and answering machines. Central heating systems have a transformer in their thermostat circuit that stays on all the time. Cordless (rechargeable) appliances draw power even after their batteries reach a full charge. If in doubt, feel the device. If it’s warm, that indicates wasted energy.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eCan a standard DC-AC inverter be connected in parallel with another AC source\/ DC-AC inverter \/ electrical utility?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"Can-a-standard-DC-AC-inverter-be-connected-in-parallel-with-another-AC-source-DC-AC-inverter-electrical-utility\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe AC output of standard inverters cannot be synchronised with another AC source and hence, it is not suitable for paralleling. The AC output of the inverter should never be connected directly to an electrical breaker panel \/ load center which is also fed from the utility power \/generator. Such a connection may result in parallel operation of the different power sources and AC power from the utility \/ generator will be fed back into the inverter which will instantly damage the output section of the inverter and may also pose a fire and safety hazard.\u003c\/p\u003e\n\u003cp\u003eIf an electrical breaker panel \/ load center is fed from an inverter and this panel is also required to be powered from additional alternate AC sources, the AC power from all the AC sources like the utility \/ generator \/ inverter should first be fed to a manual selector switch and the output of the selector switch should be connected to the electrical breaker panel \/ load center. To prevent possibility of paralleling and severe damage to the inverter, never use a simple jumper cable with a male plug on both ends to connect the AC output of the inverter to a handy wall receptacle in the home\/RV.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow can DC-AC inverters be connected to multi-wire branch circuits?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-can-DC-AC-inverters-be-connected-to-multi-wire-branch-circuits\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eDo not directly connect the hot side of the inverter to the two hot legs of the 120 \/ 240 VAC electrical breaker panel \/ load centre where multi-wire ( common neutral ) branch circuit wiring method is used for distribution of AC power. This may lead to overloading\/overheating of the neutral conductor and is a risk of fire.\u003c\/p\u003e\n\u003cp\u003eA split phase transformer (isolated or auto-transformer ) of suitable wattage rating ( 25% more than the wattage rating of the inverter ) with primary of 120 VAC and secondary of 120 \/ 240 VAC ( Two 120 VAC split phases 180 degrees apart) should be used. The hot and neutral of the 120 VAC output of the inverter should be fed to the primary of this transformer and the 2 hot outputs (120 VAC split phases ) and the neutral from the secondary of this transformer should be connected to the electrical breaker panel\/ load centre.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to supply computer or printer loads?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eComputers and Printers generally come with in-built switch-mode power supplies (see application notes and FAQs on switch mode power supplies (SMPS)) that have extremely low power factor on account of the extremely peaky and non-linear nature of the current drawn by them from the AC source. Hence for such loads we recommend using inverters with three times the advertised power consumption of the computer or printer loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is the difference between a 12V, 24V and 48V inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-the-difference-between-a-12V-24V-and-48V-inverter\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eA 12-V can be fed from a 12V battery or DC supply. Similarly 24V and 48V inverters can be fed from 24V and 48V batteries\/DC power supplies, respectively. Cars usually have 12V batteries. Trucks have 24V batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c!-- notionvc: bf6033e8-d478-4319-94a9-cdaba465f800 --\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Samlex","offers":[{"title":"Default Title","offer_id":46576230531298,"sku":"EVO-4024","price":2090.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5090\/1474\/files\/EVO-4024-1.jpg?v=1751453245"},{"product_id":"samlex-3000-watts-12v-pure-sine-inverter-charger","title":"Samlex EVO 3000 Watts 12V Pure Sine Inverter\/Charger EVO-3012","description":"\u003ch2\u003eSamlex 3000 Watts 12V Pure Sine Inverter\/Charger\u003c\/h2\u003e\n\u003cp\u003ePure sine wave inverter, adaptive battery charger, transfer relay – All in ONE unit. Samlex Evolution Series inverter\/chargers provide reliable AC power wherever it’s needed. For use with boats, RVs, cabins and specialty vehicles, as well as alternative energy, back-up and emergency power applications.\u003c\/p\u003e\n\u003cp\u003eUsing state-of-the-art technology, the Samlex EVO\u003csup\u003e™\u003c\/sup\u003e inverter\/charger operates at 165 million instructions per second with lightning fast load \u0026amp; response times, has 9 points of physical protection monitoring (being scanned up to 10,000 times per second) to detect fault conditions \u0026amp; protect itself in a vast range of adverse environments.\u003c\/p\u003e\n\u003cp\u003eThe EVO-3012 is a 3000 Watt Pure Sine inverter, 12 VDC input, 120 VAC output, 50\/60 Hz. It intelligently integrates a 130 Amp 4 stage Battery Charger and a 70 Amp Transfer Relay into an advanced and affordable off-grid power solution.\u003c\/p\u003e\n\u003cp\u003eAlso available in\u003cspan\u003e \u003c\/span\u003e230 VAC output\u003c\/p\u003e\n\u003cp\u003eEVO-RC remote control\u003cspan\u003e \u003c\/span\u003esold separately.\u003c\/p\u003e\n\u003ch2 class=\"o-product-accordion--header j-accordion--toggle\"\u003eFeatures\u003cspan class=\"icon-divider o-product-accordion--arrow\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"o-product-accordion--body j-accordion--body\"\u003e\n\u003cp\u003e\u003cstrong\u003eAC Inputs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo separate AC inputs – one for grid (priority #1), one for generator (priority #2), connect simultaneously, no need to reconfigure when different power sources are available.\u003c\/li\u003e\n\u003cli\u003eEach AC input is programmable for voltage and frequency. User determines what the min and max thresholds are to switch from Grid or Generator to Inverter.\u003c\/li\u003e\n\u003cli\u003eGenerator start can be initiated by “Status Relay” contact, can be programmed to activate when grid is lost.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSolar Input\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnect a solar charge controller directly to the EVO\u003csup\u003eTM\u003c\/sup\u003e through the Battery Charger external DC Input, seamlessly integrates solar charging into the EVO’s power system.\u003c\/li\u003e\n\u003cli\u003eONLINE Mode can be used to prioritize Batteries\/Inverter over the grid, ideal for those wishing to operate primarily on solar power (when the grid is available, but might be costly).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Charger\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3 or 4 stage charging with Equalization (must be manually initiated).\u003c\/li\u003e\n\u003cli\u003eAdaptive algorithm is used during Bulk to assess the condition of the battery. Subsequent stages are then based on the condition of the battery rather than pre-set time periods for Absorption and Float. Prevents unnecessary charging, extends the life of batteries.\u003c\/li\u003e\n\u003cli\u003eProgrammable – set battery voltage thresholds to initiate charging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTransfer Switch\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eZero transfer time when switching from Inverter to Grid. When grid comes on, the inverter synchronizes with the wave form and then transfers instantly at zero crossing.\u003c\/li\u003e\n\u003cli\u003e\u0026lt;16ms transfer when going from Grid to Inverter. When grid is lost, the transfer relay switches to inverter at the correct place in the wave form, the transfer takes less than 16ms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSurge Capacity (Power Boost)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe EVO\u003csup\u003eTM\u003c\/sup\u003e has 3X surge power\u003c\/li\u003e\n\u003cli\u003eAdditionally, the EVO\u003csup\u003eTM\u003c\/sup\u003e has large power overload allowances available for long periods of time. Increased inverter capacity means you can size your inverter smaller to handle heavy surge loads, reducing costs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eState-of-the-Art Technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe EVO\u003csup\u003eTM\u003c\/sup\u003e operates at 165 million instructions per second producing lightning fast load and response times\u003c\/li\u003e\n\u003cli\u003eThe EVO\u003csup\u003eTM\u003c\/sup\u003e is practically indestructible. It has “Bullet-Proof Intelligence” in the form of 9 physical points of protection monitoring being scanned up to 10,000 times per second for adverse conditions. The EVO\u003csup\u003eTM\u003c\/sup\u003e will detect fault conditions and initiate a healthy shutdown before any product damage can be done.\u003c\/li\u003e\n\u003cli\u003eThe EVO-RC remote control (sold separately) can be used to capture detailed EVO\u003csup\u003eTM\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eperformance data. Records all detected faults and the conditions leading up to them. Data is stored on a removable 32GB SD Card (in the remote). Use data to analyze trends for more efficient use of system resources\u003c\/li\u003e\n\u003cli\u003eThe EVO\u003csup\u003eTM\u003c\/sup\u003e uses five temperature sensors placed throughout the unit to determine operation of 2 speed controlled cooling fans. Reduces unnecessary fan noise and energy consumption by only running when and where the fans are needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specification\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 3000 Watts 12V Pure Sine Inverter\/Charger \u003cmeta charset=\"utf-8\"\u003eProduct Specification\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWatts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3000 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9000 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutlets\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHardwired\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExternal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEVO-RC (Optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e64 lbs \/ 29 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.79 x 16.77 x 8.15 in \/ 325 x 426 x 207 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eETL safety listed to stringent UL standards: 1741, 458, and CSA C22.2 No. 107.1-01. EMI\/EMC compliant with FCC Part 15(B), Class A. RoHS Compliant.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c!-- notionvc: e09ea501-4ff9-42bf-b6c6-30597978ad3c --\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Manual\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 3000 Watts 12V Pure Sine Inverter\/Charger \u003cmeta charset=\"utf-8\"\u003eProduct Manual\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eSamlex Product Manual\u003c\/h2\u003e\n\u003ch2\u003eSamlex Specifications\u003c\/h2\u003e\n\u003ch2\u003eSamlex Quick Start Guide\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Warranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2 class=\"o-product--description\"\u003e3 Years Limited Warranty\u003c\/h2\u003e\n\u003ch3 class=\"o-product--description\"\u003eProduct FAQs\u003c\/h3\u003e\n\u003ch5 class=\"o-product--description\"\u003eWhat is a Pure Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-product--description\"\u003eThe output voltage of a sine wave inverter has a sine wave form like the sine wave form of the mains \/ utility voltage. In a sine wave, the voltage rises and falls smoothly with a smoothly changing phase angle and also changes its polarity instantly when it crosses 0 Volts.\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-the-advantages-of-Pure-Sine-Wave-inverters\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-a-Modified-Sine-Wave-Inverter\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIn a modified sine wave, the voltage rises and falls abruptly, the phase angle also changes abruptly and it sits at 0 Volts for some time before changing its polarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"Which-devices-will-not-function-properly-from-a-Modified-Sine-Wave-Inverter\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhich devices will not function properly from a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eAny device that uses a control circuitry that senses the phase (for voltage \/ speed control) or instantaneous zero voltage crossing (for timing control) will not work properly from a voltage that has a modified sine wave-form. Also, as the modified sine wave is a form of square wave, it is comprised of multiple sine waves of odd harmonics (multiples) of the fundamental frequency of the modified sine wave. For example, a 60 Hz. modified sine wave will consist of sine waves with odd harmonic frequencies of 3rd (180 Hz), 5th (300 Hz.), 7th (420 Hz.) and so on. The high frequency harmonic content in a modified sine wave produces enhanced radio interference, higher heating effect in motors \/ microwaves and produces overloading due to lowering of the impedance of low frequency filter capacitors \/ power factor improvement capacitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSome examples of devices that may not work properly with modified sine wave and may also get damaged are given below\u003c\/em\u003e\u003c\/p\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli\u003eLaser printers, photocopiers, magneto-optical hard drives\u003c\/li\u003e\n\u003cli\u003eThe built-in clocks in devices such as clock radios, alarm clocks, coffee makers, bread-makers, VCR, microwave ovens etc may not keep time correctly\u003c\/li\u003e\n\u003cli\u003eOutput voltage control devices like dimmers, ceiling fan \/ motor speed control may not work properly (dimming \/ speed control may not function)\u003c\/li\u003e\n\u003cli\u003eSewing machines with speed \/ microprocessor control\u003c\/li\u003e\n\u003cli\u003eTransformer-less capacitive input powered devices like (i) Razors, flashlights, night-lights, smoke detectors etc (ii) Re-chargers for battery packs used in hand power tools.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eDevices that use radio frequency signals carried by the AC distribution wiring\u003c\/li\u003e\n\u003cli\u003eSome new furnaces with microprocessor control \/ Oil burner primary controls\u003c\/li\u003e\n\u003cli\u003eHigh intensity discharge (HID) lamps like Metal Halide lamps.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eSome fluorescent lamps \/ light fixtures that have power factor correction capacitors.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThe inverter may shut down indicating overload\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a DC-AC inverter?\u003c\/h5\u003e\n\u003cp\u003eWhen you plug anything into the wall in your home you are usually “plugging in” to the power-grid provided as a service by your utility company. Your utility company supplies you with alternating current (AC) electricity. AC electricity flows in alternate directions many times per second. AC is used for utility grid service because it is more practical for long distance transmission.\u003c\/p\u003e\n\u003cp\u003eBatteries provide direct current electricity (DC) electricity which flows in a single direction.  DC power is what is used in many electronics in the home like laptops, solar cells, LED bulbs, and electric vehicles.  They usually have built-in converters to take the AC power received from a plug-in and convert it to DC.\u003c\/p\u003e\n\u003cp\u003eAn inverter (converter) acts as a power adapter as it converts DC to AC,  AC to DC, and can also change the voltage. It allows a battery-based system to run conventional AC appliances directly or through conventional home wiring.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the criteria for selecting the right inverter for a particular application?\u003c\/h5\u003e\n\u003cdiv id=\"What-are-the-criteria-for-selecting-the-right-inverter-for-a-particular-application\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eTo choose an inverter; you should first define your needs. Where is the inverter to be used? Inverters are available for use in buildings (including homes), for recreational vehicles, boats, and portable applications. Will it be connected to the utility grid in some way? Electrical conventions and safety standards differ for various applications, so don’t improvise.\u003c\/p\u003e\n\u003cp\u003eWhen sizing an inverter, you need to take into consideration both the\u003cstrong\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003erunning power\u003c\/em\u003e\u003c\/strong\u003e \u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cstrong\u003e(continuous)\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eand the additional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cem\u003estarting surge power\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements of the AC side loads.\u003c\/p\u003e\n\u003cp\u003eSome loads require much higher starting surge power for the first few seconds before settling down at the running power. The inverter should be sized on the basis of the starting surge power of the AC side load. The total starting surge power is equal to the normal running power plus the additional starting power. The following symbols and equation will be used for explanation purposes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRunning Power, Watts – \u003cstrong\u003eWr\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdditional Starting Power or Additional Continuous Power, Watts – \u003cstrong\u003eWa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Starting Surge Power, Watts = Running Power (\u003cstrong\u003eWr\u003c\/strong\u003e) + Additional Starting Power \/ Additional Continuous Power (\u003cstrong\u003eWa\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe specifications of inverters may include a rating termed Surge Power. Normally, the duration of this Surge Power rating is not quantified in the specifications and is assumed to last for less than 1 second. Unless the Surge Power Rating of the inverter is specified to last for \u0026gt; 5 seconds, this Surge Power specification of the inverter should not be considered for purposes of sizing loads with high and prolonged starting surge power.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOnly the Continuous Power rating of the inverter should be considered in such cases\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eElectric motor driven compressor\/pump based loads like refrigerators\/freezers, air conditioners, air compressors, sump and well pumps, etc. require a very high Starting Surge Power of around 5 to 7 times the Running Power for the initial start up. This Starting Surge Power may last for 2 to 5 seconds.  The Additional Starting Power\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 4 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSwitched Mode Power Supplies (SMPS) that do not have Power Factor correction draw a non linear, pulsing current with a high Crest Factor (Ratio of instantaneous value and the RMS value) that may reach a value of 4. Also, the effective Power Factor of these types of power supplies is very low around 0.6. If the inverter is sized based on the Running Power of these units, the inverter will be continuously overloaded from instant to instant due to the higher peaks of the pulsing current. The inverter for these units should be sized at 3 times the Running Power of the power supply. Alternatively, for sizing purposes, the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Consumer electronics like computers, TV, VCR, audio\/ video devices, etc. use this type of power supply.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(Please note that this sizing is not applicable if the SMPS has Power Factor correction and the Power Factor is around 0.9)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMotors used in washing machines have to start under load due to the weight of the clothes, water and the drum. Hence, the Additional Starting Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. This starting power normally lasts from 2 to 5 seconds.\u003c\/p\u003e\n\u003cp\u003eThe Watt rating of the microwaves normally indicates output cooking power in Watts. As the microwave is not an efficient device, the AC input power in Watts should be taken as 2 times the output cooking power in Watts i.e. the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 1 time the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Hence, a microwave with 900 Watt cooking power will require an 1800 Watt inverter. \u003cstrong\u003e(If the power rating of the inverter is indicated as the AC input power in Watts, the factor of 2 is not applicable).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe following symbols and equations are used in the sizing of an inverter example below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Running Power of the items selected, Watts – \u003cstrong\u003eWrt\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHighest Additional Starting Power out of the items selected, Watts – \u003cstrong\u003eWah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e*Highest power for sizing purpose, Watts – \u003cstrong\u003eWrt + Wah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e* It is assumed that only one out of the selected items starts at one time\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSince the AC loads rarely start at the same time, the load with the highest Additional Starting Power \u003cstrong\u003eWah\u003c\/strong\u003e has been factored in.\u003c\/p\u003e\n\u003cp\u003eExample:\u003cbr\u003e\u003c\/p\u003e\n\u003ctable class=\"tablepress tablepress-id-15 tablepress-responsive\" id=\"tablepress-15\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eRunning Power, Wr, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003eAdditional\u003cbr\u003eStarting Power or Additional Continuous Power *, Wa, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003eQuantity\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003eExtended\u003cbr\u003eRunning Power, Wt, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator – Electric Compressor based\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e800\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eColor TV\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e450\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eLaptop Adapter\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e240\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIncandescent Lamps\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e60\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e0\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e6\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e360\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*\u003c\/strong\u003e \u003cem\u003eAdditional Continuous Power is applicable to SMPS based loads that have no Power Factor Correction.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTotal Extended Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e = 200 + 225 + 120 + 360 = \u003cstrong\u003e905\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e = \u003cstrong\u003e800\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Power for sizing the inverter = Total Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e(905 W) + Highest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e (800 W) = \u003cstrong\u003e1705\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the electrical standards pertaining to DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThe DC input voltage must conform to that of the electrical system and battery bank. 12 volts is recommended for small, simple systems. 24 and 48 volts are the common standards for higher capacities. A higher voltage system carries less current, which makes the system wiring cheaper and easier.\u003c\/p\u003e\n\u003cp\u003eThe inverter’s AC output must conform to the conventional power in the region to run locally available appliances. The standard for AC utility service in North America is 120 and 240 Volts at a frequency of 60 Hertz (cycles per second). In Europe, South America, and most other places, it is 230 volts at 50 Hertz.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are \"continuous\" and \"surge\" power capacity ratings for DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv id=\"What-are-continuous-and-surge-power-capacity-ratings-for-DC-AC-inverters\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eHow much load can an inverter handle? Its power output is rated in Watts.  There are two levels of power rating -a continuous rating and a surge rating. Continuous means the amount of power the inverter can handle for an indefinite period of hours. When an inverter is rated at a certain number of Watts, that number generally refers to its continuous rating. The “surge power” indicates the power to handle instantaneous overload of a few seconds to provide the higher power required to start certain type of devices and appliances.  Resistive types of loads (like incandescent lamps, toaster, coffee maker, electric range, iron etc) do not require extra power to start. Their starting power is the same as their running power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow do \"surge power\" electrical loads affect DC-AC inverter operation?\u003c\/h5\u003e\n\u003cp\u003eIf an inverter cannot efficiently feed the surge power, it may simply shut down instead of starting the device. If the inverter’s surge capacity is marginal, its output voltage will dip during the surge. This can cause a dimming of the lights in the house, and will sometimes crash a computer.\u003c\/p\u003e\n\u003cp\u003eAny weakness in the battery and cabling to the inverter will further limit its ability to start a motor. A battery bank that is undersized, in poor condition, or has corroded connections, can be a weak link in the power chain. The inverter cables and the battery interconnect cables must be sized properly. The spike of DC current through these cables is many hundreds of amps at the instant of a motor starting for example.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter for loads that require starting surge?\u003c\/h5\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-for-loads-that-require-starting-surge\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eObserve the following guideline to determine the continuous wattage of the inverter for powering loads that require starting surge. (Multiply the running watts of the device\/appliance by the Surge Factor)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e The surge power rating specified for this inverter is valid for duration of less than 1 second. This very short duration may not be sufficient to start motor based loads which may require up to 5 seconds to complete starting process. Hence, for purposes of sizing the inverter, use only the continuous power rating of this inverter.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable class=\"tablepress tablepress-id-16 tablepress-responsive\" id=\"tablepress-16\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eSurge Factor\u003cbr\u003e(No. of times the running power rating of the device\/appliance)\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator \/ Freezer\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e5\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eAir Compressors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e4\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDishwasher\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eSump pump\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-6 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eFurnace fans\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIndustrial motors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-8 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eCircular saw\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-9 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eBench Grinder\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-10 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003ePortable diesel \/ kerosene fuel heater\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e2\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to operate a microwave?\u003c\/h5\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe power rating of the microwave generally refers to the cooking power. The electrical power consumed by the microwave will be approximately 2 times the cooking power. The “surge power” of the inverter should be 2 times the electrical power (i.e., 4 times the cooking power). Please note that the surge power of the microwave is not as long as the motor load and hence, the surge power of the inverter can be considered to determine adequacy of meeting the starting surge power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to power a water supply pump?\u003c\/h5\u003e\n\u003cp\u003eA water well or pressure pump often places the greatest demand on the inverter. It warrants special consideration. Most pumps draw a very high surge of current during start up. The inverter must have sufficient surge capacity to handle it while running any other loads that may be on. It is important to size an inverter sufficiently, especially to handle the starting surge (If the exact starting rating is not available, the starting surge can be taken as 3 times the normal running rating of the pump). Oversize it still further if you want it to start the pump without causing lights to dim or blink.\u003c\/p\u003e\n\u003cp\u003eIn North America, most pumps (especially submersibles) run on 240 VAC, while smaller appliances and lights use 120 VAC. To obtain 240 VAC from a 120 VAC inverter, use a 120 VAC to 240 VAC transformer. If you do not already have a pump installed, you can get a 120 volt pump if you don’t need more than 1\/2 HP.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is \"idle power\" in a DC-AC inverter?\u003c\/h5\u003e\n\u003cdiv id=\"What-is-idle-power-in-a-DC-AC-inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIdle power is the consumption of the inverter when it is on, but no loads are running. It is “wasted” power, so if you expect the inverter to be on for many hours during which there is very little load (as in most residential situations), you want this to be as low as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are Phantom and idling loads?\u003c\/h5\u003e\n\u003cp\u003eMost of the modern gadgets draw some power whenever they are plugged in. Some of them use power to do nothing at all. An example is a TV with a remote control. Its electric eye system is on day and night, watching for your signal to turn the screen on. Every appliance with an external wall-plug transformer uses power even when the appliance is turned off. These little loads are called “phantom loads” because their power draw is unexpected, unseen, and easily forgotten.\u003c\/p\u003e\n\u003cp\u003eA similar concern is “idling loads.” These are devices that must be on all the time in order to function when needed. These include smoke detectors, alarm systems, motion detector lights, fax machines, and answering machines. Central heating systems have a transformer in their thermostat circuit that stays on all the time. Cordless (rechargeable) appliances draw power even after their batteries reach a full charge. If in doubt, feel the device. If it’s warm, that indicates wasted energy.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eCan a standard DC-AC inverter be connected in parallel with another AC source\/ DC-AC inverter \/ electrical utility?\u003c\/h5\u003e\n\u003cdiv id=\"Can-a-standard-DC-AC-inverter-be-connected-in-parallel-with-another-AC-source-DC-AC-inverter-electrical-utility\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe AC output of standard inverters cannot be synchronised with another AC source and hence, it is not suitable for paralleling. The AC output of the inverter should never be connected directly to an electrical breaker panel \/ load center which is also fed from the utility power \/generator. Such a connection may result in parallel operation of the different power sources and AC power from the utility \/ generator will be fed back into the inverter which will instantly damage the output section of the inverter and may also pose a fire and safety hazard.\u003c\/p\u003e\n\u003cp\u003eIf an electrical breaker panel \/ load center is fed from an inverter and this panel is also required to be powered from additional alternate AC sources, the AC power from all the AC sources like the utility \/ generator \/ inverter should first be fed to a manual selector switch and the output of the selector switch should be connected to the electrical breaker panel \/ load center. To prevent possibility of paralleling and severe damage to the inverter, never use a simple jumper cable with a male plug on both ends to connect the AC output of the inverter to a handy wall receptacle in the home\/RV.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow can DC-AC inverters be connected to multi-wire branch circuits?\u003c\/h5\u003e\n\u003cdiv id=\"How-can-DC-AC-inverters-be-connected-to-multi-wire-branch-circuits\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eDo not directly connect the hot side of the inverter to the two hot legs of the 120 \/ 240 VAC electrical breaker panel \/ load centre where multi-wire ( common neutral ) branch circuit wiring method is used for distribution of AC power. This may lead to overloading\/overheating of the neutral conductor and is a risk of fire.\u003c\/p\u003e\n\u003cp\u003eA split phase transformer (isolated or auto-transformer ) of suitable wattage rating ( 25% more than the wattage rating of the inverter ) with primary of 120 VAC and secondary of 120 \/ 240 VAC ( Two 120 VAC split phases 180 degrees apart) should be used. The hot and neutral of the 120 VAC output of the inverter should be fed to the primary of this transformer and the 2 hot outputs (120 VAC split phases ) and the neutral from the secondary of this transformer should be connected to the electrical breaker panel\/ load centre.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to supply computer or printer loads?\u003c\/h5\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eComputers and Printers generally come with in-built switch-mode power supplies (see application notes and FAQs on switch mode power supplies (SMPS)) that have extremely low power factor on account of the extremely peaky and non-linear nature of the current drawn by them from the AC source. Hence for such loads we recommend using inverters with three times the advertised power consumption of the computer or printer loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is the difference between a 12V, 24V and 48V inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv id=\"What-is-the-difference-between-a-12V-24V-and-48V-inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eA 12-V can be fed from a 12V battery or DC supply. Similarly 24V and 48V inverters can be fed from 24V and 48V batteries\/DC power supplies, respectively. Cars usually have 12V batteries. Trucks have 24V batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Samlex","offers":[{"title":"Default Title","offer_id":46576230695138,"sku":"EVO-3012","price":2090.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5090\/1474\/files\/EVO-3012-1.jpg?v=1751453251"},{"product_id":"samlex-1200-watts-24v-pure-sine-inverter-charger-hardwired","title":"Samlex EVO 1200 Watts 24V Pure Sine Inverter\/Charger (Hardwired) EVO-1224F-HW","description":"\u003ch2\u003eSamlex 1200 Watts 24V Pure Sine Inverter\/Charger (Hardwired)\u003c\/h2\u003e\n\u003cp\u003eSamlex Evolution™ Series inverter\/chargers provide reliable AC power wherever it’s needed and can be used with Lead Acid or Lithium Batteries.  The EVO-1224-F-HW is smaller and compact, with slightly less standard output power of 1200 Watts and a 40 Amp programmable charger, than our regular EVO™ Series.  It comes with all the standard features of our regular series which makes it a good choice for handling short duration heavy surge loads at the reduced cost of a smaller inverter.  It is good for use in boats, RVs, cabins, and specialty vehicles, as well as alternative energy, back-up and emergency power applications.\u003c\/p\u003e\n\u003ch2 class=\"o-product-accordion--header j-accordion--toggle\"\u003eFeatures\u003cspan class=\"icon-divider o-product-accordion--arrow\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"o-product-accordion--body j-accordion--body\"\u003e\n\u003cp\u003e\u003cstrong\u003eAdaptive Battery Charger Option for Lead Acid Batteries\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6 programmable charging profiles – 2, 3 and 4 stages with Equalization\u003c\/li\u003e\n\u003cli\u003eAlgorithm monitoring in the Bulk Stage assesses the battery’s condition. The remaining charging stages are based on the battery’s condition rather than a pre-set charging time.\u003c\/li\u003e\n\u003cli\u003eReduces excess charging time and extends life of battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTransfer Switch\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eZero transfer time when switching from Inverter to AC input source. When AC input source comes on, the inverter synchronizes with the incoming wave form and then transfers instantly at zero crossing without interruption to the load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSurge Capacity (Active Power Boost)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe inverter has a surge capability of 3X its continuous power rating, allowing it to turn on loads with high starting surge.\u003c\/li\u003e\n\u003cli\u003eInverter loads can exceed the continuous power output by the Power Boost Allowances without triggering and overload fault.\u003c\/li\u003e\n\u003cli\u003eThere is no need to upsize to a larger inverter\/charger to handle a heavy surge load, resulting in reduced costs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSolar Input\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnect a solar charge controller (up to 50A) directly to the EVO™ through the Battery Charger\u003c\/li\u003e\n\u003cli\u003eExternal DC Input External charging current is monitored to free up more power from the grid to be available to the load while charging.\u003c\/li\u003e\n\u003cli\u003eONLINE Mode can be used to prioritize Batteries\/Inverter over the grid, ideal for those who want to operate primarily on solar power, even when the grid is available (when grid is costly).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eState-of-the-Art Technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMultiple physical points of protection monitoring are scanned up to 10,000 times per second to detect adverse internal and external conditions.\u003c\/li\u003e\n\u003cli\u003eThe EVO™ is practically indestructible. The EVO™ will detect fault conditions and initiate a healthy shutdown before any damage can be done.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAC Input \/ Output Option\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAC Power Cord Inlet and Duplex GFCI outlet: EVO-1212F\/1224F; hardwired: EVO-1212F-HW\/1224F-HW\u003c\/li\u003e\n\u003cli\u003eThe EVO-RC-PLUS remote control (sold separately) can be used to capture detailed EVO™ performance data, stored on a removable 16GB SD Card. Advanced features for programming various parameters and modes of operation. 4 rows of 20 character alpha numeric LCD display for messaging.\u003c\/li\u003e\n\u003cli\u003eThe EVO™ uses five temperature sensors placed throughout the unit to determine operation of 2 speed controlled cooling fans. Reduces unnecessary fan noise and energy consumption by only running when and where the fans are needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 1200 Watts 24V Pure Sine Inverter\/Charger (Hardwired) \u003cmeta charset=\"utf-8\"\u003eProduct Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWatts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1200 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3600 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutlets\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHardwired\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExternal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEVO-RC-PLUS (Optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e38.8 lbs \/ 17.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.76 x 16.34 x 5.83 in \/ 324 x 415 x 148 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntertek-ETL listed: Certified to CAN\/CSA STD. C22.2 No. 107.1-01; Conforms to ANSI\/UL STD. 458. Certified to FCC Part 15(B), Class A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c!-- notionvc: 5a2e25cf-743f-4685-b1aa-f62a7e650b14 --\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Manual\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 1200 Watts 24V Pure Sine Inverter\/Charger (Hardwired) \u003cmeta charset=\"utf-8\"\u003eProduct Manual\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eSamlex Product Manual\u003c\/h2\u003e\n\u003ch2\u003eSamlex Specifications\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Warranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2 class=\"o-product--description\"\u003e3 Years Limited Warranty\u003c\/h2\u003e\n\u003ch3 class=\"o-product--description\"\u003eProduct FAQs\u003c\/h3\u003e\n\u003ch5 class=\"o-product--description\"\u003eWhat is a Pure Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-product--description\"\u003eThe output voltage of a sine wave inverter has a sine wave form like the sine wave form of the mains \/ utility voltage. In a sine wave, the voltage rises and falls smoothly with a smoothly changing phase angle and also changes its polarity instantly when it crosses 0 Volts.\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cdiv id=\"What-are-the-advantages-of-Pure-Sine-Wave-inverters\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"What-is-a-Modified-Sine-Wave-Inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIn a modified sine wave, the voltage rises and falls abruptly, the phase angle also changes abruptly and it sits at 0 Volts for some time before changing its polarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv id=\"Which-devices-will-not-function-properly-from-a-Modified-Sine-Wave-Inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhich devices will not function properly from a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eAny device that uses a control circuitry that senses the phase (for voltage \/ speed control) or instantaneous zero voltage crossing (for timing control) will not work properly from a voltage that has a modified sine wave-form. Also, as the modified sine wave is a form of square wave, it is comprised of multiple sine waves of odd harmonics (multiples) of the fundamental frequency of the modified sine wave. For example, a 60 Hz. modified sine wave will consist of sine waves with odd harmonic frequencies of 3rd (180 Hz), 5th (300 Hz.), 7th (420 Hz.) and so on. The high frequency harmonic content in a modified sine wave produces enhanced radio interference, higher heating effect in motors \/ microwaves and produces overloading due to lowering of the impedance of low frequency filter capacitors \/ power factor improvement capacitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSome examples of devices that may not work properly with modified sine wave and may also get damaged are given below\u003c\/em\u003e\u003c\/p\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli\u003eLaser printers, photocopiers, magneto-optical hard drives\u003c\/li\u003e\n\u003cli\u003eThe built-in clocks in devices such as clock radios, alarm clocks, coffee makers, bread-makers, VCR, microwave ovens etc may not keep time correctly\u003c\/li\u003e\n\u003cli\u003eOutput voltage control devices like dimmers, ceiling fan \/ motor speed control may not work properly (dimming \/ speed control may not function)\u003c\/li\u003e\n\u003cli\u003eSewing machines with speed \/ microprocessor control\u003c\/li\u003e\n\u003cli\u003eTransformer-less capacitive input powered devices like (i) Razors, flashlights, night-lights, smoke detectors etc (ii) Re-chargers for battery packs used in hand power tools.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eDevices that use radio frequency signals carried by the AC distribution wiring\u003c\/li\u003e\n\u003cli\u003eSome new furnaces with microprocessor control \/ Oil burner primary controls\u003c\/li\u003e\n\u003cli\u003eHigh intensity discharge (HID) lamps like Metal Halide lamps.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eSome fluorescent lamps \/ light fixtures that have power factor correction capacitors.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThe inverter may shut down indicating overload\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a DC-AC inverter?\u003c\/h5\u003e\n\u003cp\u003eWhen you plug anything into the wall in your home you are usually “plugging in” to the power-grid provided as a service by your utility company. Your utility company supplies you with alternating current (AC) electricity. AC electricity flows in alternate directions many times per second. AC is used for utility grid service because it is more practical for long distance transmission.\u003c\/p\u003e\n\u003cp\u003eBatteries provide direct current electricity (DC) electricity which flows in a single direction.  DC power is what is used in many electronics in the home like laptops, solar cells, LED bulbs, and electric vehicles.  They usually have built-in converters to take the AC power received from a plug-in and convert it to DC.\u003c\/p\u003e\n\u003cp\u003eAn inverter (converter) acts as a power adapter as it converts DC to AC,  AC to DC, and can also change the voltage. It allows a battery-based system to run conventional AC appliances directly or through conventional home wiring.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the criteria for selecting the right inverter for a particular application?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-the-criteria-for-selecting-the-right-inverter-for-a-particular-application\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eTo choose an inverter; you should first define your needs. Where is the inverter to be used? Inverters are available for use in buildings (including homes), for recreational vehicles, boats, and portable applications. Will it be connected to the utility grid in some way? Electrical conventions and safety standards differ for various applications, so don’t improvise.\u003c\/p\u003e\n\u003cp\u003eWhen sizing an inverter, you need to take into consideration both the\u003cstrong\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003erunning power\u003c\/em\u003e\u003c\/strong\u003e \u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cstrong\u003e(continuous)\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eand the additional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cem\u003estarting surge power\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements of the AC side loads.\u003c\/p\u003e\n\u003cp\u003eSome loads require much higher starting surge power for the first few seconds before settling down at the running power. The inverter should be sized on the basis of the starting surge power of the AC side load. The total starting surge power is equal to the normal running power plus the additional starting power. The following symbols and equation will be used for explanation purposes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRunning Power, Watts – \u003cstrong\u003eWr\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdditional Starting Power or Additional Continuous Power, Watts – \u003cstrong\u003eWa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Starting Surge Power, Watts = Running Power (\u003cstrong\u003eWr\u003c\/strong\u003e) + Additional Starting Power \/ Additional Continuous Power (\u003cstrong\u003eWa\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe specifications of inverters may include a rating termed Surge Power. Normally, the duration of this Surge Power rating is not quantified in the specifications and is assumed to last for less than 1 second. Unless the Surge Power Rating of the inverter is specified to last for \u0026gt; 5 seconds, this Surge Power specification of the inverter should not be considered for purposes of sizing loads with high and prolonged starting surge power.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOnly the Continuous Power rating of the inverter should be considered in such cases\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eElectric motor driven compressor\/pump based loads like refrigerators\/freezers, air conditioners, air compressors, sump and well pumps, etc. require a very high Starting Surge Power of around 5 to 7 times the Running Power for the initial start up. This Starting Surge Power may last for 2 to 5 seconds.  The Additional Starting Power\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 4 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSwitched Mode Power Supplies (SMPS) that do not have Power Factor correction draw a non linear, pulsing current with a high Crest Factor (Ratio of instantaneous value and the RMS value) that may reach a value of 4. Also, the effective Power Factor of these types of power supplies is very low around 0.6. If the inverter is sized based on the Running Power of these units, the inverter will be continuously overloaded from instant to instant due to the higher peaks of the pulsing current. The inverter for these units should be sized at 3 times the Running Power of the power supply. Alternatively, for sizing purposes, the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Consumer electronics like computers, TV, VCR, audio\/ video devices, etc. use this type of power supply.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(Please note that this sizing is not applicable if the SMPS has Power Factor correction and the Power Factor is around 0.9)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMotors used in washing machines have to start under load due to the weight of the clothes, water and the drum. Hence, the Additional Starting Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. This starting power normally lasts from 2 to 5 seconds.\u003c\/p\u003e\n\u003cp\u003eThe Watt rating of the microwaves normally indicates output cooking power in Watts. As the microwave is not an efficient device, the AC input power in Watts should be taken as 2 times the output cooking power in Watts i.e. the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 1 time the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Hence, a microwave with 900 Watt cooking power will require an 1800 Watt inverter. \u003cstrong\u003e(If the power rating of the inverter is indicated as the AC input power in Watts, the factor of 2 is not applicable).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe following symbols and equations are used in the sizing of an inverter example below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Running Power of the items selected, Watts – \u003cstrong\u003eWrt\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHighest Additional Starting Power out of the items selected, Watts – \u003cstrong\u003eWah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e*Highest power for sizing purpose, Watts – \u003cstrong\u003eWrt + Wah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e* It is assumed that only one out of the selected items starts at one time\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSince the AC loads rarely start at the same time, the load with the highest Additional Starting Power \u003cstrong\u003eWah\u003c\/strong\u003e has been factored in.\u003c\/p\u003e\n\u003cp\u003eExample:\u003cbr\u003e\u003c\/p\u003e\n\u003ctable id=\"tablepress-15\" class=\"tablepress tablepress-id-15 tablepress-responsive\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eRunning Power, Wr, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003eAdditional\u003cbr\u003eStarting Power or Additional Continuous Power *, Wa, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003eQuantity\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003eExtended\u003cbr\u003eRunning Power, Wt, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator – Electric Compressor based\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e800\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eColor TV\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e450\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eLaptop Adapter\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e240\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIncandescent Lamps\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e60\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e0\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e6\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e360\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*\u003c\/strong\u003e \u003cem\u003eAdditional Continuous Power is applicable to SMPS based loads that have no Power Factor Correction.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTotal Extended Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e = 200 + 225 + 120 + 360 = \u003cstrong\u003e905\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e = \u003cstrong\u003e800\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Power for sizing the inverter = Total Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e(905 W) + Highest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e (800 W) = \u003cstrong\u003e1705\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the electrical standards pertaining to DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThe DC input voltage must conform to that of the electrical system and battery bank. 12 volts is recommended for small, simple systems. 24 and 48 volts are the common standards for higher capacities. A higher voltage system carries less current, which makes the system wiring cheaper and easier.\u003c\/p\u003e\n\u003cp\u003eThe inverter’s AC output must conform to the conventional power in the region to run locally available appliances. The standard for AC utility service in North America is 120 and 240 Volts at a frequency of 60 Hertz (cycles per second). In Europe, South America, and most other places, it is 230 volts at 50 Hertz.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are \"continuous\" and \"surge\" power capacity ratings for DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-continuous-and-surge-power-capacity-ratings-for-DC-AC-inverters\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eHow much load can an inverter handle? Its power output is rated in Watts.  There are two levels of power rating -a continuous rating and a surge rating. Continuous means the amount of power the inverter can handle for an indefinite period of hours. When an inverter is rated at a certain number of Watts, that number generally refers to its continuous rating. The “surge power” indicates the power to handle instantaneous overload of a few seconds to provide the higher power required to start certain type of devices and appliances.  Resistive types of loads (like incandescent lamps, toaster, coffee maker, electric range, iron etc) do not require extra power to start. Their starting power is the same as their running power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow do \"surge power\" electrical loads affect DC-AC inverter operation?\u003c\/h5\u003e\n\u003cp\u003eIf an inverter cannot efficiently feed the surge power, it may simply shut down instead of starting the device. If the inverter’s surge capacity is marginal, its output voltage will dip during the surge. This can cause a dimming of the lights in the house, and will sometimes crash a computer.\u003c\/p\u003e\n\u003cp\u003eAny weakness in the battery and cabling to the inverter will further limit its ability to start a motor. A battery bank that is undersized, in poor condition, or has corroded connections, can be a weak link in the power chain. The inverter cables and the battery interconnect cables must be sized properly. The spike of DC current through these cables is many hundreds of amps at the instant of a motor starting for example.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter for loads that require starting surge?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-for-loads-that-require-starting-surge\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eObserve the following guideline to determine the continuous wattage of the inverter for powering loads that require starting surge. (Multiply the running watts of the device\/appliance by the Surge Factor)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e The surge power rating specified for this inverter is valid for duration of less than 1 second. This very short duration may not be sufficient to start motor based loads which may require up to 5 seconds to complete starting process. Hence, for purposes of sizing the inverter, use only the continuous power rating of this inverter.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable id=\"tablepress-16\" class=\"tablepress tablepress-id-16 tablepress-responsive\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eSurge Factor\u003cbr\u003e(No. of times the running power rating of the device\/appliance)\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator \/ Freezer\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e5\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eAir Compressors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e4\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDishwasher\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eSump pump\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-6 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eFurnace fans\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIndustrial motors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-8 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eCircular saw\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-9 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eBench Grinder\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-10 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003ePortable diesel \/ kerosene fuel heater\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e2\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to operate a microwave?\u003c\/h5\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe power rating of the microwave generally refers to the cooking power. The electrical power consumed by the microwave will be approximately 2 times the cooking power. The “surge power” of the inverter should be 2 times the electrical power (i.e., 4 times the cooking power). Please note that the surge power of the microwave is not as long as the motor load and hence, the surge power of the inverter can be considered to determine adequacy of meeting the starting surge power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to power a water supply pump?\u003c\/h5\u003e\n\u003cp\u003eA water well or pressure pump often places the greatest demand on the inverter. It warrants special consideration. Most pumps draw a very high surge of current during start up. The inverter must have sufficient surge capacity to handle it while running any other loads that may be on. It is important to size an inverter sufficiently, especially to handle the starting surge (If the exact starting rating is not available, the starting surge can be taken as 3 times the normal running rating of the pump). Oversize it still further if you want it to start the pump without causing lights to dim or blink.\u003c\/p\u003e\n\u003cp\u003eIn North America, most pumps (especially submersibles) run on 240 VAC, while smaller appliances and lights use 120 VAC. To obtain 240 VAC from a 120 VAC inverter, use a 120 VAC to 240 VAC transformer. If you do not already have a pump installed, you can get a 120 volt pump if you don’t need more than 1\/2 HP.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is \"idle power\" in a DC-AC inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-idle-power-in-a-DC-AC-inverter\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIdle power is the consumption of the inverter when it is on, but no loads are running. It is “wasted” power, so if you expect the inverter to be on for many hours during which there is very little load (as in most residential situations), you want this to be as low as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are Phantom and idling loads?\u003c\/h5\u003e\n\u003cp\u003eMost of the modern gadgets draw some power whenever they are plugged in. Some of them use power to do nothing at all. An example is a TV with a remote control. Its electric eye system is on day and night, watching for your signal to turn the screen on. Every appliance with an external wall-plug transformer uses power even when the appliance is turned off. These little loads are called “phantom loads” because their power draw is unexpected, unseen, and easily forgotten.\u003c\/p\u003e\n\u003cp\u003eA similar concern is “idling loads.” These are devices that must be on all the time in order to function when needed. These include smoke detectors, alarm systems, motion detector lights, fax machines, and answering machines. Central heating systems have a transformer in their thermostat circuit that stays on all the time. Cordless (rechargeable) appliances draw power even after their batteries reach a full charge. If in doubt, feel the device. If it’s warm, that indicates wasted energy.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eCan a standard DC-AC inverter be connected in parallel with another AC source\/ DC-AC inverter \/ electrical utility?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"Can-a-standard-DC-AC-inverter-be-connected-in-parallel-with-another-AC-source-DC-AC-inverter-electrical-utility\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe AC output of standard inverters cannot be synchronised with another AC source and hence, it is not suitable for paralleling. The AC output of the inverter should never be connected directly to an electrical breaker panel \/ load center which is also fed from the utility power \/generator. Such a connection may result in parallel operation of the different power sources and AC power from the utility \/ generator will be fed back into the inverter which will instantly damage the output section of the inverter and may also pose a fire and safety hazard.\u003c\/p\u003e\n\u003cp\u003eIf an electrical breaker panel \/ load center is fed from an inverter and this panel is also required to be powered from additional alternate AC sources, the AC power from all the AC sources like the utility \/ generator \/ inverter should first be fed to a manual selector switch and the output of the selector switch should be connected to the electrical breaker panel \/ load center. To prevent possibility of paralleling and severe damage to the inverter, never use a simple jumper cable with a male plug on both ends to connect the AC output of the inverter to a handy wall receptacle in the home\/RV.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow can DC-AC inverters be connected to multi-wire branch circuits?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-can-DC-AC-inverters-be-connected-to-multi-wire-branch-circuits\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eDo not directly connect the hot side of the inverter to the two hot legs of the 120 \/ 240 VAC electrical breaker panel \/ load centre where multi-wire ( common neutral ) branch circuit wiring method is used for distribution of AC power. This may lead to overloading\/overheating of the neutral conductor and is a risk of fire.\u003c\/p\u003e\n\u003cp\u003eA split phase transformer (isolated or auto-transformer ) of suitable wattage rating ( 25% more than the wattage rating of the inverter ) with primary of 120 VAC and secondary of 120 \/ 240 VAC ( Two 120 VAC split phases 180 degrees apart) should be used. The hot and neutral of the 120 VAC output of the inverter should be fed to the primary of this transformer and the 2 hot outputs (120 VAC split phases ) and the neutral from the secondary of this transformer should be connected to the electrical breaker panel\/ load centre.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to supply computer or printer loads?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eComputers and Printers generally come with in-built switch-mode power supplies (see application notes and FAQs on switch mode power supplies (SMPS)) that have extremely low power factor on account of the extremely peaky and non-linear nature of the current drawn by them from the AC source. Hence for such loads we recommend using inverters with three times the advertised power consumption of the computer or printer loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is the difference between a 12V, 24V and 48V inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-the-difference-between-a-12V-24V-and-48V-inverter\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eA 12-V can be fed from a 12V battery or DC supply. Similarly 24V and 48V inverters can be fed from 24V and 48V batteries\/DC power supplies, respectively. Cars usually have 12V batteries. Trucks have 24V batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Samlex","offers":[{"title":"Default Title","offer_id":46576230891746,"sku":"EVO-1224F-HW","price":890.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5090\/1474\/files\/EVO-1224F-1_1.jpg?v=1751453265"},{"product_id":"samlex-2200-watts-12v-pure-sine-inverter-charger","title":"Samlex EVO 2200 Watts 12V Pure Sine Inverter\/Charger EVO-2212","description":"\u003ch2\u003eSamlex 2200 Watts 12V Pure Sine Inverter\/Charger\u003c\/h2\u003e\n\u003cp\u003ePure sine wave inverter, adaptive battery charger, transfer relay – All in ONE unit. Samlex Evolution\u003csup\u003e™\u003cspan\u003e \u003c\/span\u003e\u003c\/sup\u003eSeries inverter\/chargers provide reliable AC power wherever it’s needed. For use with boats, RVs, cabins and specialty vehicles, as well as alternative energy, back-up and emergency power applications.\u003c\/p\u003e\n\u003cp\u003eUsing state-of-the-art technology, the Samlex EVO\u003csup\u003e™\u003c\/sup\u003e inverter\/charger operates at 165 million instructions per second with lightning fast load \u0026amp; response times, has 9 points of physical protection monitoring (being scanned up to 10,000 times per second) to detect fault conditions \u0026amp; protect itself in a vast range of adverse environments.\u003c\/p\u003e\n\u003cp\u003eThe EVO-2212 is a 2200 Watt Pure Sine inverter, 12 VDC input, 120 VAC output, 50\/60 Hz. It intelligently integrates a 100 Amp 4 stage Battery Charger and a 40 Amp Transfer Relay into an advanced and affordable off-grid power solution.\u003c\/p\u003e\n\u003cp\u003eAlso available in 24V input:\u003cspan\u003e \u003c\/span\u003eEVO-2224\u003cspan\u003e \u003c\/span\u003eor 230 VAC output:\u003cspan\u003e \u003c\/span\u003eEVO-2212E\u003c\/p\u003e\n\u003cp\u003eEVO-RC remote control\u003cspan\u003e \u003c\/span\u003esold separately\u003c\/p\u003e\n\u003ch2 class=\"o-product-accordion--header j-accordion--toggle\"\u003eFeatures\u003cspan class=\"icon-divider o-product-accordion--arrow\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"o-product-accordion--body j-accordion--body\"\u003e\n\u003cp\u003e\u003cstrong\u003eAC Inputs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo separate AC inputs – one for grid (priority #1), one for generator (priority #2), connect simultaneously, no need to reconfigure when different power sources are available.\u003c\/li\u003e\n\u003cli\u003eEach AC input is programmable for voltage and frequency. User determines what the min and max thresholds are to switch from Grid or Generator to Inverter.\u003c\/li\u003e\n\u003cli\u003eGenerator start can be initiated by “Status Relay” contact, can be programmed to activate when grid is lost.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSolar Input\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnect a solar charge controller directly to the EVO\u003csup\u003eTM\u003c\/sup\u003e through the Battery Charger external DC Input, seamlessly integrates solar charging into the EVO’s power system.\u003c\/li\u003e\n\u003cli\u003eONLINE Mode can be used to prioritize Batteries\/Inverter over the grid, ideal for those wishing to operate primarily on solar power (when the grid is available, but might be costly).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Charger\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3 or 4 stage charging with Equalization (must be manually initiated).\u003c\/li\u003e\n\u003cli\u003eAdaptive algorithm is used during Bulk to assess the condition of the battery. Subsequent stages are then based on the condition of the battery rather than pre-set time periods for Absorption and Float. Prevents unnecessary charging, extends the life of batteries.\u003c\/li\u003e\n\u003cli\u003eProgrammable – set battery voltage thresholds to initiate charging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTransfer Switch\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eZero transfer time when switching from Inverter to Grid. When grid comes on, the inverter synchronizes with the wave form and then transfers instantly at zero crossing.\u003c\/li\u003e\n\u003cli\u003e\u0026lt;16ms transfer when going from Grid to Inverter. When grid is lost, the transfer relay switches to inverter at the correct place in the wave form, the transfer takes less than 16ms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSurge Capacity (Power Boost)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe EVO\u003csup\u003eTM\u003c\/sup\u003e has 3X surge power\u003c\/li\u003e\n\u003cli\u003eAdditionally, the EVO\u003csup\u003eTM\u003c\/sup\u003e has large power overload allowances available for long periods of time. Increased inverter capacity means you can size your inverter smaller to handle heavy surge loads, reducing costs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eState-of-the-Art Technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe EVO\u003csup\u003eTM\u003c\/sup\u003e operates at 165 million instructions per second producing lightning fast load and response times\u003c\/li\u003e\n\u003cli\u003eThe EVO\u003csup\u003eTM\u003c\/sup\u003e is practically indestructible. It has “Bullet-Proof Intelligence” in the form of 9 physical points of protection monitoring being scanned up to 10,000 times per second for adverse conditions. The EVO\u003csup\u003eTM\u003c\/sup\u003e will detect fault conditions and initiate a healthy shutdown before any product damage can be done.\u003c\/li\u003e\n\u003cli\u003eThe EVO-RC remote control (sold separately) can be used to capture detailed EVO\u003csup\u003eTM\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eperformance data. Records all detected faults and the conditions leading up to them. Data is stored on a removable 32GB SD Card (in the remote). Use data to analyze trends for more efficient use of system resources\u003c\/li\u003e\n\u003cli\u003eThe EVO\u003csup\u003eTM\u003c\/sup\u003e uses five temperature sensors placed throughout the unit to determine operation of 2 speed controlled cooling fans. Reduces unnecessary fan noise and energy consumption by only running when and where the fans are needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 2200 Watts 12V Pure Sine Inverter\/Charger \u003cmeta charset=\"utf-8\"\u003eProduct Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWatts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2200 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6600 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutlets\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHardwired\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExternal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEVO-RC (Optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e59 lbs \/ 27 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.79 x 16.77 x 8.15 in \/ 325 x 426 x 207 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eETL safety listed to UL standards: 1741, 458, and CSA C22.2 No. 107.1-01. EMI\/EMC compliant with FCC Part 15(B), Class A. RoHS Compliant.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c!-- notionvc: e8606851-aab7-461f-b6b2-7b858bdeb9b4 --\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Manual\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 2200 Watts 12V Pure Sine Inverter\/Charger \u003cmeta charset=\"utf-8\"\u003eProduct Manual\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eSamlex Product Manual\u003c\/h2\u003e\n\u003ch2\u003eSamlex Specifications\u003c\/h2\u003e\n\u003ch2\u003eSamlex Quick Start Guide\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Warranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2 class=\"o-product--description\"\u003e3 Years Limited Warranty\u003c\/h2\u003e\n\u003ch3 class=\"o-product--description\"\u003eProduct FAQs\u003c\/h3\u003e\n\u003ch5 class=\"o-product--description\"\u003eWhat is a Pure Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-product--description\"\u003eThe output voltage of a sine wave inverter has a sine wave form like the sine wave form of the mains \/ utility voltage. In a sine wave, the voltage rises and falls smoothly with a smoothly changing phase angle and also changes its polarity instantly when it crosses 0 Volts.\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-the-advantages-of-Pure-Sine-Wave-inverters\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-a-Modified-Sine-Wave-Inverter\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIn a modified sine wave, the voltage rises and falls abruptly, the phase angle also changes abruptly and it sits at 0 Volts for some time before changing its polarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"Which-devices-will-not-function-properly-from-a-Modified-Sine-Wave-Inverter\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhich devices will not function properly from a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eAny device that uses a control circuitry that senses the phase (for voltage \/ speed control) or instantaneous zero voltage crossing (for timing control) will not work properly from a voltage that has a modified sine wave-form. Also, as the modified sine wave is a form of square wave, it is comprised of multiple sine waves of odd harmonics (multiples) of the fundamental frequency of the modified sine wave. For example, a 60 Hz. modified sine wave will consist of sine waves with odd harmonic frequencies of 3rd (180 Hz), 5th (300 Hz.), 7th (420 Hz.) and so on. The high frequency harmonic content in a modified sine wave produces enhanced radio interference, higher heating effect in motors \/ microwaves and produces overloading due to lowering of the impedance of low frequency filter capacitors \/ power factor improvement capacitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSome examples of devices that may not work properly with modified sine wave and may also get damaged are given below\u003c\/em\u003e\u003c\/p\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli\u003eLaser printers, photocopiers, magneto-optical hard drives\u003c\/li\u003e\n\u003cli\u003eThe built-in clocks in devices such as clock radios, alarm clocks, coffee makers, bread-makers, VCR, microwave ovens etc may not keep time correctly\u003c\/li\u003e\n\u003cli\u003eOutput voltage control devices like dimmers, ceiling fan \/ motor speed control may not work properly (dimming \/ speed control may not function)\u003c\/li\u003e\n\u003cli\u003eSewing machines with speed \/ microprocessor control\u003c\/li\u003e\n\u003cli\u003eTransformer-less capacitive input powered devices like (i) Razors, flashlights, night-lights, smoke detectors etc (ii) Re-chargers for battery packs used in hand power tools.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eDevices that use radio frequency signals carried by the AC distribution wiring\u003c\/li\u003e\n\u003cli\u003eSome new furnaces with microprocessor control \/ Oil burner primary controls\u003c\/li\u003e\n\u003cli\u003eHigh intensity discharge (HID) lamps like Metal Halide lamps.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eSome fluorescent lamps \/ light fixtures that have power factor correction capacitors.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThe inverter may shut down indicating overload\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a DC-AC inverter?\u003c\/h5\u003e\n\u003cp\u003eWhen you plug anything into the wall in your home you are usually “plugging in” to the power-grid provided as a service by your utility company. Your utility company supplies you with alternating current (AC) electricity. AC electricity flows in alternate directions many times per second. AC is used for utility grid service because it is more practical for long distance transmission.\u003c\/p\u003e\n\u003cp\u003eBatteries provide direct current electricity (DC) electricity which flows in a single direction.  DC power is what is used in many electronics in the home like laptops, solar cells, LED bulbs, and electric vehicles.  They usually have built-in converters to take the AC power received from a plug-in and convert it to DC.\u003c\/p\u003e\n\u003cp\u003eAn inverter (converter) acts as a power adapter as it converts DC to AC,  AC to DC, and can also change the voltage. It allows a battery-based system to run conventional AC appliances directly or through conventional home wiring.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the criteria for selecting the right inverter for a particular application?\u003c\/h5\u003e\n\u003cdiv id=\"What-are-the-criteria-for-selecting-the-right-inverter-for-a-particular-application\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eTo choose an inverter; you should first define your needs. Where is the inverter to be used? Inverters are available for use in buildings (including homes), for recreational vehicles, boats, and portable applications. Will it be connected to the utility grid in some way? Electrical conventions and safety standards differ for various applications, so don’t improvise.\u003c\/p\u003e\n\u003cp\u003eWhen sizing an inverter, you need to take into consideration both the\u003cstrong\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003erunning power\u003c\/em\u003e\u003c\/strong\u003e \u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cstrong\u003e(continuous)\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eand the additional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cem\u003estarting surge power\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements of the AC side loads.\u003c\/p\u003e\n\u003cp\u003eSome loads require much higher starting surge power for the first few seconds before settling down at the running power. The inverter should be sized on the basis of the starting surge power of the AC side load. The total starting surge power is equal to the normal running power plus the additional starting power. The following symbols and equation will be used for explanation purposes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRunning Power, Watts – \u003cstrong\u003eWr\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdditional Starting Power or Additional Continuous Power, Watts – \u003cstrong\u003eWa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Starting Surge Power, Watts = Running Power (\u003cstrong\u003eWr\u003c\/strong\u003e) + Additional Starting Power \/ Additional Continuous Power (\u003cstrong\u003eWa\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe specifications of inverters may include a rating termed Surge Power. Normally, the duration of this Surge Power rating is not quantified in the specifications and is assumed to last for less than 1 second. Unless the Surge Power Rating of the inverter is specified to last for \u0026gt; 5 seconds, this Surge Power specification of the inverter should not be considered for purposes of sizing loads with high and prolonged starting surge power.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOnly the Continuous Power rating of the inverter should be considered in such cases\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eElectric motor driven compressor\/pump based loads like refrigerators\/freezers, air conditioners, air compressors, sump and well pumps, etc. require a very high Starting Surge Power of around 5 to 7 times the Running Power for the initial start up. This Starting Surge Power may last for 2 to 5 seconds.  The Additional Starting Power\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 4 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSwitched Mode Power Supplies (SMPS) that do not have Power Factor correction draw a non linear, pulsing current with a high Crest Factor (Ratio of instantaneous value and the RMS value) that may reach a value of 4. Also, the effective Power Factor of these types of power supplies is very low around 0.6. If the inverter is sized based on the Running Power of these units, the inverter will be continuously overloaded from instant to instant due to the higher peaks of the pulsing current. The inverter for these units should be sized at 3 times the Running Power of the power supply. Alternatively, for sizing purposes, the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Consumer electronics like computers, TV, VCR, audio\/ video devices, etc. use this type of power supply.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(Please note that this sizing is not applicable if the SMPS has Power Factor correction and the Power Factor is around 0.9)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMotors used in washing machines have to start under load due to the weight of the clothes, water and the drum. Hence, the Additional Starting Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. This starting power normally lasts from 2 to 5 seconds.\u003c\/p\u003e\n\u003cp\u003eThe Watt rating of the microwaves normally indicates output cooking power in Watts. As the microwave is not an efficient device, the AC input power in Watts should be taken as 2 times the output cooking power in Watts i.e. the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 1 time the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Hence, a microwave with 900 Watt cooking power will require an 1800 Watt inverter. \u003cstrong\u003e(If the power rating of the inverter is indicated as the AC input power in Watts, the factor of 2 is not applicable).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe following symbols and equations are used in the sizing of an inverter example below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Running Power of the items selected, Watts – \u003cstrong\u003eWrt\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHighest Additional Starting Power out of the items selected, Watts – \u003cstrong\u003eWah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e*Highest power for sizing purpose, Watts – \u003cstrong\u003eWrt + Wah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e* It is assumed that only one out of the selected items starts at one time\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSince the AC loads rarely start at the same time, the load with the highest Additional Starting Power \u003cstrong\u003eWah\u003c\/strong\u003e has been factored in.\u003c\/p\u003e\n\u003cp\u003eExample:\u003cbr\u003e\u003c\/p\u003e\n\u003ctable class=\"tablepress tablepress-id-15 tablepress-responsive\" id=\"tablepress-15\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eRunning Power, Wr, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003eAdditional\u003cbr\u003eStarting Power or Additional Continuous Power *, Wa, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003eQuantity\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003eExtended\u003cbr\u003eRunning Power, Wt, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator – Electric Compressor based\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e800\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eColor TV\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e450\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eLaptop Adapter\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e240\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIncandescent Lamps\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e60\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e0\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e6\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e360\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*\u003c\/strong\u003e \u003cem\u003eAdditional Continuous Power is applicable to SMPS based loads that have no Power Factor Correction.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTotal Extended Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e = 200 + 225 + 120 + 360 = \u003cstrong\u003e905\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e = \u003cstrong\u003e800\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Power for sizing the inverter = Total Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e(905 W) + Highest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e (800 W) = \u003cstrong\u003e1705\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the electrical standards pertaining to DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThe DC input voltage must conform to that of the electrical system and battery bank. 12 volts is recommended for small, simple systems. 24 and 48 volts are the common standards for higher capacities. A higher voltage system carries less current, which makes the system wiring cheaper and easier.\u003c\/p\u003e\n\u003cp\u003eThe inverter’s AC output must conform to the conventional power in the region to run locally available appliances. The standard for AC utility service in North America is 120 and 240 Volts at a frequency of 60 Hertz (cycles per second). In Europe, South America, and most other places, it is 230 volts at 50 Hertz.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are \"continuous\" and \"surge\" power capacity ratings for DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv id=\"What-are-continuous-and-surge-power-capacity-ratings-for-DC-AC-inverters\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eHow much load can an inverter handle? Its power output is rated in Watts.  There are two levels of power rating -a continuous rating and a surge rating. Continuous means the amount of power the inverter can handle for an indefinite period of hours. When an inverter is rated at a certain number of Watts, that number generally refers to its continuous rating. The “surge power” indicates the power to handle instantaneous overload of a few seconds to provide the higher power required to start certain type of devices and appliances.  Resistive types of loads (like incandescent lamps, toaster, coffee maker, electric range, iron etc) do not require extra power to start. Their starting power is the same as their running power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow do \"surge power\" electrical loads affect DC-AC inverter operation?\u003c\/h5\u003e\n\u003cp\u003eIf an inverter cannot efficiently feed the surge power, it may simply shut down instead of starting the device. If the inverter’s surge capacity is marginal, its output voltage will dip during the surge. This can cause a dimming of the lights in the house, and will sometimes crash a computer.\u003c\/p\u003e\n\u003cp\u003eAny weakness in the battery and cabling to the inverter will further limit its ability to start a motor. A battery bank that is undersized, in poor condition, or has corroded connections, can be a weak link in the power chain. The inverter cables and the battery interconnect cables must be sized properly. The spike of DC current through these cables is many hundreds of amps at the instant of a motor starting for example.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter for loads that require starting surge?\u003c\/h5\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-for-loads-that-require-starting-surge\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eObserve the following guideline to determine the continuous wattage of the inverter for powering loads that require starting surge. (Multiply the running watts of the device\/appliance by the Surge Factor)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e The surge power rating specified for this inverter is valid for duration of less than 1 second. This very short duration may not be sufficient to start motor based loads which may require up to 5 seconds to complete starting process. Hence, for purposes of sizing the inverter, use only the continuous power rating of this inverter.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable class=\"tablepress tablepress-id-16 tablepress-responsive\" id=\"tablepress-16\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eSurge Factor\u003cbr\u003e(No. of times the running power rating of the device\/appliance)\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator \/ Freezer\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e5\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eAir Compressors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e4\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDishwasher\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eSump pump\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-6 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eFurnace fans\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIndustrial motors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-8 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eCircular saw\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-9 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eBench Grinder\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-10 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003ePortable diesel \/ kerosene fuel heater\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e2\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to operate a microwave?\u003c\/h5\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe power rating of the microwave generally refers to the cooking power. The electrical power consumed by the microwave will be approximately 2 times the cooking power. The “surge power” of the inverter should be 2 times the electrical power (i.e., 4 times the cooking power). Please note that the surge power of the microwave is not as long as the motor load and hence, the surge power of the inverter can be considered to determine adequacy of meeting the starting surge power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to power a water supply pump?\u003c\/h5\u003e\n\u003cp\u003eA water well or pressure pump often places the greatest demand on the inverter. It warrants special consideration. Most pumps draw a very high surge of current during start up. The inverter must have sufficient surge capacity to handle it while running any other loads that may be on. It is important to size an inverter sufficiently, especially to handle the starting surge (If the exact starting rating is not available, the starting surge can be taken as 3 times the normal running rating of the pump). Oversize it still further if you want it to start the pump without causing lights to dim or blink.\u003c\/p\u003e\n\u003cp\u003eIn North America, most pumps (especially submersibles) run on 240 VAC, while smaller appliances and lights use 120 VAC. To obtain 240 VAC from a 120 VAC inverter, use a 120 VAC to 240 VAC transformer. If you do not already have a pump installed, you can get a 120 volt pump if you don’t need more than 1\/2 HP.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is \"idle power\" in a DC-AC inverter?\u003c\/h5\u003e\n\u003cdiv id=\"What-is-idle-power-in-a-DC-AC-inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIdle power is the consumption of the inverter when it is on, but no loads are running. It is “wasted” power, so if you expect the inverter to be on for many hours during which there is very little load (as in most residential situations), you want this to be as low as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are Phantom and idling loads?\u003c\/h5\u003e\n\u003cp\u003eMost of the modern gadgets draw some power whenever they are plugged in. Some of them use power to do nothing at all. An example is a TV with a remote control. Its electric eye system is on day and night, watching for your signal to turn the screen on. Every appliance with an external wall-plug transformer uses power even when the appliance is turned off. These little loads are called “phantom loads” because their power draw is unexpected, unseen, and easily forgotten.\u003c\/p\u003e\n\u003cp\u003eA similar concern is “idling loads.” These are devices that must be on all the time in order to function when needed. These include smoke detectors, alarm systems, motion detector lights, fax machines, and answering machines. Central heating systems have a transformer in their thermostat circuit that stays on all the time. Cordless (rechargeable) appliances draw power even after their batteries reach a full charge. If in doubt, feel the device. If it’s warm, that indicates wasted energy.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eCan a standard DC-AC inverter be connected in parallel with another AC source\/ DC-AC inverter \/ electrical utility?\u003c\/h5\u003e\n\u003cdiv id=\"Can-a-standard-DC-AC-inverter-be-connected-in-parallel-with-another-AC-source-DC-AC-inverter-electrical-utility\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe AC output of standard inverters cannot be synchronised with another AC source and hence, it is not suitable for paralleling. The AC output of the inverter should never be connected directly to an electrical breaker panel \/ load center which is also fed from the utility power \/generator. Such a connection may result in parallel operation of the different power sources and AC power from the utility \/ generator will be fed back into the inverter which will instantly damage the output section of the inverter and may also pose a fire and safety hazard.\u003c\/p\u003e\n\u003cp\u003eIf an electrical breaker panel \/ load center is fed from an inverter and this panel is also required to be powered from additional alternate AC sources, the AC power from all the AC sources like the utility \/ generator \/ inverter should first be fed to a manual selector switch and the output of the selector switch should be connected to the electrical breaker panel \/ load center. To prevent possibility of paralleling and severe damage to the inverter, never use a simple jumper cable with a male plug on both ends to connect the AC output of the inverter to a handy wall receptacle in the home\/RV.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow can DC-AC inverters be connected to multi-wire branch circuits?\u003c\/h5\u003e\n\u003cdiv id=\"How-can-DC-AC-inverters-be-connected-to-multi-wire-branch-circuits\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eDo not directly connect the hot side of the inverter to the two hot legs of the 120 \/ 240 VAC electrical breaker panel \/ load centre where multi-wire ( common neutral ) branch circuit wiring method is used for distribution of AC power. This may lead to overloading\/overheating of the neutral conductor and is a risk of fire.\u003c\/p\u003e\n\u003cp\u003eA split phase transformer (isolated or auto-transformer ) of suitable wattage rating ( 25% more than the wattage rating of the inverter ) with primary of 120 VAC and secondary of 120 \/ 240 VAC ( Two 120 VAC split phases 180 degrees apart) should be used. The hot and neutral of the 120 VAC output of the inverter should be fed to the primary of this transformer and the 2 hot outputs (120 VAC split phases ) and the neutral from the secondary of this transformer should be connected to the electrical breaker panel\/ load centre.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to supply computer or printer loads?\u003c\/h5\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eComputers and Printers generally come with in-built switch-mode power supplies (see application notes and FAQs on switch mode power supplies (SMPS)) that have extremely low power factor on account of the extremely peaky and non-linear nature of the current drawn by them from the AC source. Hence for such loads we recommend using inverters with three times the advertised power consumption of the computer or printer loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is the difference between a 12V, 24V and 48V inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv id=\"What-is-the-difference-between-a-12V-24V-and-48V-inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eA 12-V can be fed from a 12V battery or DC supply. Similarly 24V and 48V inverters can be fed from 24V and 48V batteries\/DC power supplies, respectively. Cars usually have 12V batteries. Trucks have 24V batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Samlex","offers":[{"title":"Default Title","offer_id":46576230924514,"sku":"EVO-2212","price":1690.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5090\/1474\/files\/EVO-2212-1.jpg?v=1751453272"},{"product_id":"samlex-1200-watts-24v-pure-sine-inverter-charger","title":"Samlex EVO  1200 Watts 24V Pure Sine Inverter\/Charger EVO-1224F","description":"\u003ch2\u003eSamlex 1200 Watts 24V Pure Sine Inverter\/Charger\u003c\/h2\u003e\n\u003cp\u003eSamlex Evolution™ Series inverter\/chargers provide reliable AC power wherever it’s needed and can be used with Lead Acid or Lithium Batteries.  The EVO-1224-F is smaller and compact, with slightly less standard output power of 1200 Watts and a 40 Amp programmable charger, than our regular EVO™ Series.  It comes with all the standard features of our regular series which makes it a good choice for handling short duration heavy surge loads at the reduced cost of a smaller inverter.  It is good for use in boats, RVs, cabins, and specialty vehicles, as well as alternative energy, back-up and emergency power applications.\u003c\/p\u003e\n\u003ch2 class=\"o-product-accordion--header j-accordion--toggle\"\u003eFeatures\u003cspan class=\"icon-divider o-product-accordion--arrow\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"o-product-accordion--body j-accordion--body\"\u003e\n\u003cp\u003e\u003cstrong\u003eAdaptive Battery Charger Option for Lead Acid Batteries\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6 programmable charging profiles – 2, 3 and 4 stages with Equalization\u003c\/li\u003e\n\u003cli\u003eAlgorithm monitoring in the Bulk Stage assesses the battery’s condition. The remaining charging stages are based on the battery’s condition rather than a pre-set charging time.\u003c\/li\u003e\n\u003cli\u003eReduces excess charging time and extends life of battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTransfer Switch\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eZero transfer time when switching from Inverter to AC input source. When AC input source comes on, the inverter synchronizes with the incoming wave form and then transfers instantly at zero crossing without interruption to the load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSurge Capacity (Active Power Boost)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe inverter has a surge capability of 3X its continuous power rating, allowing it to turn on loads with high starting surge.\u003c\/li\u003e\n\u003cli\u003eInverter loads can exceed the continuous power output by the Power Boost Allowances without triggering and overload fault.\u003c\/li\u003e\n\u003cli\u003eThere is no need to upsize to a larger inverter\/charger to handle a heavy surge load, resulting in reduced costs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSolar Input\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnect a solar charge controller (up to 50A) directly to the EVO™ through the Battery Charger External DC Input\u003c\/li\u003e\n\u003cli\u003eExternal charging current is monitored to free up more power from the grid to be available to the load while charging.\u003c\/li\u003e\n\u003cli\u003eONLINE Mode can be used to prioritize Batteries\/Inverter over the grid, ideal for those who want to operate primarily on solar power, even when the grid is available (when grid is costly).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eState-of-the-Art Technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMultiple physical points of protection monitoring are scanned up to 10,000 times per second to detect adverse internal and external conditions.\u003c\/li\u003e\n\u003cli\u003eThe EVO™ is practically indestructible. The EVO™ will detect fault conditions and initiate a healthy shutdown before any damage can be done.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAC Input \/ Output Option\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAC Power Cord Inlet and Duplex GFCI outlet: EVO-1212F\/1224F; hardwired: EVO-1212F-HW\/1224F-HW\u003c\/li\u003e\n\u003cli\u003eThe EVO-RC-PLUS remote control (sold separately) can be used to capture detailed EVO™ performance data, stored on a removable 16GB SD Card. Advanced features for programming various parameters and modes of operation. 4 rows of 20 character alpha numeric LCD display for messaging.\u003c\/li\u003e\n\u003cli\u003eThe EVO™ uses five temperature sensors placed throughout the unit to determine operation of 2 speed controlled cooling fans. Reduces unnecessary fan noise and energy consumption by only running when and where the fans are needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSamlex 1200 Watts 24V Pure Sine Inverter\/Charger \u003cmeta charset=\"utf-8\"\u003eProduct Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWatts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1200 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3600 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutlets\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGFCI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExternal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEVO-RC-PLUS (Optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e38.8 lbs \/ 17.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.76 x 16.34 x 5.83 in \/ 324 x 415 x 148 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntertek-ETL listed: Certified to CAN\/CSA STD. C22.2 No. 107.1-01; Conforms to ANSI\/UL STD. 458. Certified to FCC Part 15(B), Class A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c!-- notionvc: b49c7212-ab1f-4077-842f-24f19061c80b --\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Manual\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSamlex 1200 Watts 24V Pure Sine Inverter\/Charger \u003cmeta charset=\"utf-8\"\u003eProduct Manual\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eSamlex Product Manual\u003c\/h2\u003e\n\u003ch2\u003eSamlex Specifications\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Warranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2 class=\"o-product--description\"\u003e3 Years Limited Warranty\u003c\/h2\u003e\n\u003ch3 class=\"o-product--description\"\u003eProduct FAQs\u003c\/h3\u003e\n\u003ch5 class=\"o-product--description\"\u003eWhat is a Pure Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-product--description\"\u003eThe output voltage of a sine wave inverter has a sine wave form like the sine wave form of the mains \/ utility voltage. In a sine wave, the voltage rises and falls smoothly with a smoothly changing phase angle and also changes its polarity instantly when it crosses 0 Volts.\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cdiv id=\"What-are-the-advantages-of-Pure-Sine-Wave-inverters\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"What-is-a-Modified-Sine-Wave-Inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIn a modified sine wave, the voltage rises and falls abruptly, the phase angle also changes abruptly and it sits at 0 Volts for some time before changing its polarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv id=\"Which-devices-will-not-function-properly-from-a-Modified-Sine-Wave-Inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhich devices will not function properly from a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eAny device that uses a control circuitry that senses the phase (for voltage \/ speed control) or instantaneous zero voltage crossing (for timing control) will not work properly from a voltage that has a modified sine wave-form. Also, as the modified sine wave is a form of square wave, it is comprised of multiple sine waves of odd harmonics (multiples) of the fundamental frequency of the modified sine wave. For example, a 60 Hz. modified sine wave will consist of sine waves with odd harmonic frequencies of 3rd (180 Hz), 5th (300 Hz.), 7th (420 Hz.) and so on. The high frequency harmonic content in a modified sine wave produces enhanced radio interference, higher heating effect in motors \/ microwaves and produces overloading due to lowering of the impedance of low frequency filter capacitors \/ power factor improvement capacitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSome examples of devices that may not work properly with modified sine wave and may also get damaged are given below\u003c\/em\u003e\u003c\/p\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli\u003eLaser printers, photocopiers, magneto-optical hard drives\u003c\/li\u003e\n\u003cli\u003eThe built-in clocks in devices such as clock radios, alarm clocks, coffee makers, bread-makers, VCR, microwave ovens etc may not keep time correctly\u003c\/li\u003e\n\u003cli\u003eOutput voltage control devices like dimmers, ceiling fan \/ motor speed control may not work properly (dimming \/ speed control may not function)\u003c\/li\u003e\n\u003cli\u003eSewing machines with speed \/ microprocessor control\u003c\/li\u003e\n\u003cli\u003eTransformer-less capacitive input powered devices like (i) Razors, flashlights, night-lights, smoke detectors etc (ii) Re-chargers for battery packs used in hand power tools.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eDevices that use radio frequency signals carried by the AC distribution wiring\u003c\/li\u003e\n\u003cli\u003eSome new furnaces with microprocessor control \/ Oil burner primary controls\u003c\/li\u003e\n\u003cli\u003eHigh intensity discharge (HID) lamps like Metal Halide lamps.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eSome fluorescent lamps \/ light fixtures that have power factor correction capacitors.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThe inverter may shut down indicating overload\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a DC-AC inverter?\u003c\/h5\u003e\n\u003cp\u003eWhen you plug anything into the wall in your home you are usually “plugging in” to the power-grid provided as a service by your utility company. Your utility company supplies you with alternating current (AC) electricity. AC electricity flows in alternate directions many times per second. AC is used for utility grid service because it is more practical for long distance transmission.\u003c\/p\u003e\n\u003cp\u003eBatteries provide direct current electricity (DC) electricity which flows in a single direction.  DC power is what is used in many electronics in the home like laptops, solar cells, LED bulbs, and electric vehicles.  They usually have built-in converters to take the AC power received from a plug-in and convert it to DC.\u003c\/p\u003e\n\u003cp\u003eAn inverter (converter) acts as a power adapter as it converts DC to AC,  AC to DC, and can also change the voltage. It allows a battery-based system to run conventional AC appliances directly or through conventional home wiring.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the criteria for selecting the right inverter for a particular application?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-the-criteria-for-selecting-the-right-inverter-for-a-particular-application\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eTo choose an inverter; you should first define your needs. Where is the inverter to be used? Inverters are available for use in buildings (including homes), for recreational vehicles, boats, and portable applications. Will it be connected to the utility grid in some way? Electrical conventions and safety standards differ for various applications, so don’t improvise.\u003c\/p\u003e\n\u003cp\u003eWhen sizing an inverter, you need to take into consideration both the\u003cstrong\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003erunning power\u003c\/em\u003e\u003c\/strong\u003e \u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cstrong\u003e(continuous)\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eand the additional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cem\u003estarting surge power\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements of the AC side loads.\u003c\/p\u003e\n\u003cp\u003eSome loads require much higher starting surge power for the first few seconds before settling down at the running power. The inverter should be sized on the basis of the starting surge power of the AC side load. The total starting surge power is equal to the normal running power plus the additional starting power. The following symbols and equation will be used for explanation purposes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRunning Power, Watts – \u003cstrong\u003eWr\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdditional Starting Power or Additional Continuous Power, Watts – \u003cstrong\u003eWa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Starting Surge Power, Watts = Running Power (\u003cstrong\u003eWr\u003c\/strong\u003e) + Additional Starting Power \/ Additional Continuous Power (\u003cstrong\u003eWa\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe specifications of inverters may include a rating termed Surge Power. Normally, the duration of this Surge Power rating is not quantified in the specifications and is assumed to last for less than 1 second. Unless the Surge Power Rating of the inverter is specified to last for \u0026gt; 5 seconds, this Surge Power specification of the inverter should not be considered for purposes of sizing loads with high and prolonged starting surge power.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOnly the Continuous Power rating of the inverter should be considered in such cases\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eElectric motor driven compressor\/pump based loads like refrigerators\/freezers, air conditioners, air compressors, sump and well pumps, etc. require a very high Starting Surge Power of around 5 to 7 times the Running Power for the initial start up. This Starting Surge Power may last for 2 to 5 seconds.  The Additional Starting Power\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 4 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSwitched Mode Power Supplies (SMPS) that do not have Power Factor correction draw a non linear, pulsing current with a high Crest Factor (Ratio of instantaneous value and the RMS value) that may reach a value of 4. Also, the effective Power Factor of these types of power supplies is very low around 0.6. If the inverter is sized based on the Running Power of these units, the inverter will be continuously overloaded from instant to instant due to the higher peaks of the pulsing current. The inverter for these units should be sized at 3 times the Running Power of the power supply. Alternatively, for sizing purposes, the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Consumer electronics like computers, TV, VCR, audio\/ video devices, etc. use this type of power supply.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(Please note that this sizing is not applicable if the SMPS has Power Factor correction and the Power Factor is around 0.9)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMotors used in washing machines have to start under load due to the weight of the clothes, water and the drum. Hence, the Additional Starting Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. This starting power normally lasts from 2 to 5 seconds.\u003c\/p\u003e\n\u003cp\u003eThe Watt rating of the microwaves normally indicates output cooking power in Watts. As the microwave is not an efficient device, the AC input power in Watts should be taken as 2 times the output cooking power in Watts i.e. the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 1 time the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Hence, a microwave with 900 Watt cooking power will require an 1800 Watt inverter. \u003cstrong\u003e(If the power rating of the inverter is indicated as the AC input power in Watts, the factor of 2 is not applicable).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe following symbols and equations are used in the sizing of an inverter example below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Running Power of the items selected, Watts – \u003cstrong\u003eWrt\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHighest Additional Starting Power out of the items selected, Watts – \u003cstrong\u003eWah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e*Highest power for sizing purpose, Watts – \u003cstrong\u003eWrt + Wah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e* It is assumed that only one out of the selected items starts at one time\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSince the AC loads rarely start at the same time, the load with the highest Additional Starting Power \u003cstrong\u003eWah\u003c\/strong\u003e has been factored in.\u003c\/p\u003e\n\u003cp\u003eExample:\u003cbr\u003e\u003c\/p\u003e\n\u003ctable id=\"tablepress-15\" class=\"tablepress tablepress-id-15 tablepress-responsive\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eRunning Power, Wr, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003eAdditional\u003cbr\u003eStarting Power or Additional Continuous Power *, Wa, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003eQuantity\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003eExtended\u003cbr\u003eRunning Power, Wt, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator – Electric Compressor based\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e800\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eColor TV\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e450\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eLaptop Adapter\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e240\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIncandescent Lamps\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e60\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e0\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e6\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e360\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*\u003c\/strong\u003e \u003cem\u003eAdditional Continuous Power is applicable to SMPS based loads that have no Power Factor Correction.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTotal Extended Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e = 200 + 225 + 120 + 360 = \u003cstrong\u003e905\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e = \u003cstrong\u003e800\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Power for sizing the inverter = Total Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e(905 W) + Highest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e (800 W) = \u003cstrong\u003e1705\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the electrical standards pertaining to DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThe DC input voltage must conform to that of the electrical system and battery bank. 12 volts is recommended for small, simple systems. 24 and 48 volts are the common standards for higher capacities. A higher voltage system carries less current, which makes the system wiring cheaper and easier.\u003c\/p\u003e\n\u003cp\u003eThe inverter’s AC output must conform to the conventional power in the region to run locally available appliances. The standard for AC utility service in North America is 120 and 240 Volts at a frequency of 60 Hertz (cycles per second). In Europe, South America, and most other places, it is 230 volts at 50 Hertz.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are \"continuous\" and \"surge\" power capacity ratings for DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-continuous-and-surge-power-capacity-ratings-for-DC-AC-inverters\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eHow much load can an inverter handle? Its power output is rated in Watts.  There are two levels of power rating -a continuous rating and a surge rating. Continuous means the amount of power the inverter can handle for an indefinite period of hours. When an inverter is rated at a certain number of Watts, that number generally refers to its continuous rating. The “surge power” indicates the power to handle instantaneous overload of a few seconds to provide the higher power required to start certain type of devices and appliances.  Resistive types of loads (like incandescent lamps, toaster, coffee maker, electric range, iron etc) do not require extra power to start. Their starting power is the same as their running power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow do \"surge power\" electrical loads affect DC-AC inverter operation?\u003c\/h5\u003e\n\u003cp\u003eIf an inverter cannot efficiently feed the surge power, it may simply shut down instead of starting the device. If the inverter’s surge capacity is marginal, its output voltage will dip during the surge. This can cause a dimming of the lights in the house, and will sometimes crash a computer.\u003c\/p\u003e\n\u003cp\u003eAny weakness in the battery and cabling to the inverter will further limit its ability to start a motor. A battery bank that is undersized, in poor condition, or has corroded connections, can be a weak link in the power chain. The inverter cables and the battery interconnect cables must be sized properly. The spike of DC current through these cables is many hundreds of amps at the instant of a motor starting for example.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter for loads that require starting surge?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-for-loads-that-require-starting-surge\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eObserve the following guideline to determine the continuous wattage of the inverter for powering loads that require starting surge. (Multiply the running watts of the device\/appliance by the Surge Factor)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e The surge power rating specified for this inverter is valid for duration of less than 1 second. This very short duration may not be sufficient to start motor based loads which may require up to 5 seconds to complete starting process. Hence, for purposes of sizing the inverter, use only the continuous power rating of this inverter.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable id=\"tablepress-16\" class=\"tablepress tablepress-id-16 tablepress-responsive\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eSurge Factor\u003cbr\u003e(No. of times the running power rating of the device\/appliance)\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator \/ Freezer\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e5\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eAir Compressors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e4\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDishwasher\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eSump pump\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-6 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eFurnace fans\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIndustrial motors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-8 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eCircular saw\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-9 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eBench Grinder\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-10 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003ePortable diesel \/ kerosene fuel heater\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e2\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to operate a microwave?\u003c\/h5\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe power rating of the microwave generally refers to the cooking power. The electrical power consumed by the microwave will be approximately 2 times the cooking power. The “surge power” of the inverter should be 2 times the electrical power (i.e., 4 times the cooking power). Please note that the surge power of the microwave is not as long as the motor load and hence, the surge power of the inverter can be considered to determine adequacy of meeting the starting surge power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to power a water supply pump?\u003c\/h5\u003e\n\u003cp\u003eA water well or pressure pump often places the greatest demand on the inverter. It warrants special consideration. Most pumps draw a very high surge of current during start up. The inverter must have sufficient surge capacity to handle it while running any other loads that may be on. It is important to size an inverter sufficiently, especially to handle the starting surge (If the exact starting rating is not available, the starting surge can be taken as 3 times the normal running rating of the pump). Oversize it still further if you want it to start the pump without causing lights to dim or blink.\u003c\/p\u003e\n\u003cp\u003eIn North America, most pumps (especially submersibles) run on 240 VAC, while smaller appliances and lights use 120 VAC. To obtain 240 VAC from a 120 VAC inverter, use a 120 VAC to 240 VAC transformer. If you do not already have a pump installed, you can get a 120 volt pump if you don’t need more than 1\/2 HP.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is \"idle power\" in a DC-AC inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-idle-power-in-a-DC-AC-inverter\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIdle power is the consumption of the inverter when it is on, but no loads are running. It is “wasted” power, so if you expect the inverter to be on for many hours during which there is very little load (as in most residential situations), you want this to be as low as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are Phantom and idling loads?\u003c\/h5\u003e\n\u003cp\u003eMost of the modern gadgets draw some power whenever they are plugged in. Some of them use power to do nothing at all. An example is a TV with a remote control. Its electric eye system is on day and night, watching for your signal to turn the screen on. Every appliance with an external wall-plug transformer uses power even when the appliance is turned off. These little loads are called “phantom loads” because their power draw is unexpected, unseen, and easily forgotten.\u003c\/p\u003e\n\u003cp\u003eA similar concern is “idling loads.” These are devices that must be on all the time in order to function when needed. These include smoke detectors, alarm systems, motion detector lights, fax machines, and answering machines. Central heating systems have a transformer in their thermostat circuit that stays on all the time. Cordless (rechargeable) appliances draw power even after their batteries reach a full charge. If in doubt, feel the device. If it’s warm, that indicates wasted energy.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eCan a standard DC-AC inverter be connected in parallel with another AC source\/ DC-AC inverter \/ electrical utility?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"Can-a-standard-DC-AC-inverter-be-connected-in-parallel-with-another-AC-source-DC-AC-inverter-electrical-utility\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe AC output of standard inverters cannot be synchronised with another AC source and hence, it is not suitable for paralleling. The AC output of the inverter should never be connected directly to an electrical breaker panel \/ load center which is also fed from the utility power \/generator. Such a connection may result in parallel operation of the different power sources and AC power from the utility \/ generator will be fed back into the inverter which will instantly damage the output section of the inverter and may also pose a fire and safety hazard.\u003c\/p\u003e\n\u003cp\u003eIf an electrical breaker panel \/ load center is fed from an inverter and this panel is also required to be powered from additional alternate AC sources, the AC power from all the AC sources like the utility \/ generator \/ inverter should first be fed to a manual selector switch and the output of the selector switch should be connected to the electrical breaker panel \/ load center. To prevent possibility of paralleling and severe damage to the inverter, never use a simple jumper cable with a male plug on both ends to connect the AC output of the inverter to a handy wall receptacle in the home\/RV.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow can DC-AC inverters be connected to multi-wire branch circuits?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-can-DC-AC-inverters-be-connected-to-multi-wire-branch-circuits\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eDo not directly connect the hot side of the inverter to the two hot legs of the 120 \/ 240 VAC electrical breaker panel \/ load centre where multi-wire ( common neutral ) branch circuit wiring method is used for distribution of AC power. This may lead to overloading\/overheating of the neutral conductor and is a risk of fire.\u003c\/p\u003e\n\u003cp\u003eA split phase transformer (isolated or auto-transformer ) of suitable wattage rating ( 25% more than the wattage rating of the inverter ) with primary of 120 VAC and secondary of 120 \/ 240 VAC ( Two 120 VAC split phases 180 degrees apart) should be used. The hot and neutral of the 120 VAC output of the inverter should be fed to the primary of this transformer and the 2 hot outputs (120 VAC split phases ) and the neutral from the secondary of this transformer should be connected to the electrical breaker panel\/ load centre.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to supply computer or printer loads?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eComputers and Printers generally come with in-built switch-mode power supplies (see application notes and FAQs on switch mode power supplies (SMPS)) that have extremely low power factor on account of the extremely peaky and non-linear nature of the current drawn by them from the AC source. Hence for such loads we recommend using inverters with three times the advertised power consumption of the computer or printer loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is the difference between a 12V, 24V and 48V inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-the-difference-between-a-12V-24V-and-48V-inverter\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eA 12-V can be fed from a 12V battery or DC supply. Similarly 24V and 48V inverters can be fed from 24V and 48V batteries\/DC power supplies, respectively. Cars usually have 12V batteries. Trucks have 24V batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Samlex","offers":[{"title":"Default Title","offer_id":46576230858978,"sku":"EVO-1224F","price":595.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5090\/1474\/files\/EVO-1224F-1.jpg?v=1751453278"},{"product_id":"samlex-1200-watts-12v-pure-sine-inverter-charger-hardwired","title":"Samlex EVO 1200 Watts 12V Pure Sine Inverter\/Charger (Hardwired) EVO-1212F-HW","description":"\u003ch2\u003eSamlex 1200 Watts 12V Pure Sine Inverter\/Charger (Hardwired)\u003c\/h2\u003e\n\u003cp\u003eSamlex Evolution™ Series inverter\/chargers provide reliable AC power wherever it’s needed and can be used with Lead Acid or Lithium Batteries.  The EVO-1212F-HW is\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003esmaller and compact, with slightly less standard output power of 1200 Watts and a 60 Amp programmable charger, than our regular EVO™ Series.  It comes with all the standard features of our regular series which makes it a good choice for handling short duration heavy surge loads at the reduced cost of a smaller inverter.  It is good for use in boats, RVs, cabins, and specialty vehicles, as well as alternative energy, back-up and emergency power applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"o-product-accordion--header j-accordion--toggle\"\u003eFeatures\u003cspan class=\"icon-divider o-product-accordion--arrow\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"o-product-accordion--body j-accordion--body\"\u003e\n\u003cp\u003e\u003cstrong\u003eAdaptive Battery Charger Option for Lead Acid Batteries\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6 programmable charging profiles – 2, 3 and 4 stages with Equalization\u003c\/li\u003e\n\u003cli\u003eAlgorithm monitoring in the Bulk Stage assesses the battery’s condition. The remaining charging stages are based on the battery’s condition rather than a pre-set charging time.\u003c\/li\u003e\n\u003cli\u003eReduces excess charging time and extends life of battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTransfer Switch\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eZero transfer time when switching from Inverter to AC input source. When AC input source comes on, the inverter synchronizes with the incoming wave form and then transfers instantly at zero crossing without interruption to the load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSurge Capacity (Active Power Boost)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe inverter has a surge capability of 3X its continuous power rating, allowing it to turn on loads with high starting surge.\u003c\/li\u003e\n\u003cli\u003eInverter loads can exceed the continuous power output by the Power Boost Allowances without triggering and overload fault.\u003c\/li\u003e\n\u003cli\u003eThere is no need to upsize to a larger inverter\/charger to handle a heavy surge load, resulting in reduced costs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSolar Input\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnect a solar charge controller (up to 50A) directly to the EVO™ through the Battery Charger External DC Input\u003c\/li\u003e\n\u003cli\u003eExternal charging current is monitored to free up more power from the grid to be available to the load while charging.\u003c\/li\u003e\n\u003cli\u003eONLINE Mode can be used to prioritize Batteries\/Inverter over the grid, ideal for those who want to operate primarily on solar power, even when the grid is available (when grid is costly).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eState-of-the-Art Technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMultiple physical points of protection monitoring are scanned up to 10,000 times per second to detect adverse internal and external conditions.\u003c\/li\u003e\n\u003cli\u003eThe EVO™ is practically indestructible. The EVO™ will detect fault conditions and initiate a healthy shutdown before any damage can be done.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAC Input \/ Output Option\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAC Power Cord Inlet and Duplex GFCI outlet: EVO-1212F\/1224F; hardwired: EVO-1212F-HW\/1224F-HW\u003c\/li\u003e\n\u003cli\u003eThe EVO-RC-PLUS remote control (sold separately) can be used to capture detailed EVO™ performance data, stored on a removable 16GB SD Card. Advanced features for programming various parameters and modes of operation. 4 rows of 20 character alpha numeric LCD display for messaging.\u003c\/li\u003e\n\u003cli\u003eThe EVO™ uses five temperature sensors placed throughout the unit to determine operation of 2 speed controlled cooling fans. Reduces unnecessary fan noise and energy consumption by only running when and where the fans are needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 1200 Watts 12V Pure Sine Inverter\/Charger (Hardwired) \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eProduct Specifications\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWatts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1200 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3600 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutlets\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHardwired\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExternal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEVO-RC-PLUS (Optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e38.3 lbs \/ 17.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.76 x 16.34 x 5.83 in \/ 324 x 415 x 148 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan\u003e\u003c!-- notionvc: 177c6a91-43db-4223-8c5d-d61af7327f89 --\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Manual\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSamlex 1200 Watts 12V Pure Sine Inverter\/Charger (Hardwired) \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eProduct Manual\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eSamlex Product Manual\u003c\/h2\u003e\n\u003ch2\u003eSamlex Specifications\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Warranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2 class=\"o-product--description\"\u003e3 Years Limited Warranty\u003c\/h2\u003e\n\u003ch3 class=\"o-product--description\"\u003eProduct FAQs\u003c\/h3\u003e\n\u003ch5 class=\"o-product--description\"\u003eWhat is a Pure Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-product--description\"\u003eThe output voltage of a sine wave inverter has a sine wave form like the sine wave form of the mains \/ utility voltage. In a sine wave, the voltage rises and falls smoothly with a smoothly changing phase angle and also changes its polarity instantly when it crosses 0 Volts.\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cdiv id=\"What-are-the-advantages-of-Pure-Sine-Wave-inverters\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"What-is-a-Modified-Sine-Wave-Inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIn a modified sine wave, the voltage rises and falls abruptly, the phase angle also changes abruptly and it sits at 0 Volts for some time before changing its polarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv id=\"Which-devices-will-not-function-properly-from-a-Modified-Sine-Wave-Inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhich devices will not function properly from a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eAny device that uses a control circuitry that senses the phase (for voltage \/ speed control) or instantaneous zero voltage crossing (for timing control) will not work properly from a voltage that has a modified sine wave-form. Also, as the modified sine wave is a form of square wave, it is comprised of multiple sine waves of odd harmonics (multiples) of the fundamental frequency of the modified sine wave. For example, a 60 Hz. modified sine wave will consist of sine waves with odd harmonic frequencies of 3rd (180 Hz), 5th (300 Hz.), 7th (420 Hz.) and so on. The high frequency harmonic content in a modified sine wave produces enhanced radio interference, higher heating effect in motors \/ microwaves and produces overloading due to lowering of the impedance of low frequency filter capacitors \/ power factor improvement capacitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSome examples of devices that may not work properly with modified sine wave and may also get damaged are given below\u003c\/em\u003e\u003c\/p\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli\u003eLaser printers, photocopiers, magneto-optical hard drives\u003c\/li\u003e\n\u003cli\u003eThe built-in clocks in devices such as clock radios, alarm clocks, coffee makers, bread-makers, VCR, microwave ovens etc may not keep time correctly\u003c\/li\u003e\n\u003cli\u003eOutput voltage control devices like dimmers, ceiling fan \/ motor speed control may not work properly (dimming \/ speed control may not function)\u003c\/li\u003e\n\u003cli\u003eSewing machines with speed \/ microprocessor control\u003c\/li\u003e\n\u003cli\u003eTransformer-less capacitive input powered devices like (i) Razors, flashlights, night-lights, smoke detectors etc (ii) Re-chargers for battery packs used in hand power tools.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eDevices that use radio frequency signals carried by the AC distribution wiring\u003c\/li\u003e\n\u003cli\u003eSome new furnaces with microprocessor control \/ Oil burner primary controls\u003c\/li\u003e\n\u003cli\u003eHigh intensity discharge (HID) lamps like Metal Halide lamps.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eSome fluorescent lamps \/ light fixtures that have power factor correction capacitors.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThe inverter may shut down indicating overload\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a DC-AC inverter?\u003c\/h5\u003e\n\u003cp\u003eWhen you plug anything into the wall in your home you are usually “plugging in” to the power-grid provided as a service by your utility company. Your utility company supplies you with alternating current (AC) electricity. AC electricity flows in alternate directions many times per second. AC is used for utility grid service because it is more practical for long distance transmission.\u003c\/p\u003e\n\u003cp\u003eBatteries provide direct current electricity (DC) electricity which flows in a single direction.  DC power is what is used in many electronics in the home like laptops, solar cells, LED bulbs, and electric vehicles.  They usually have built-in converters to take the AC power received from a plug-in and convert it to DC.\u003c\/p\u003e\n\u003cp\u003eAn inverter (converter) acts as a power adapter as it converts DC to AC,  AC to DC, and can also change the voltage. It allows a battery-based system to run conventional AC appliances directly or through conventional home wiring.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the criteria for selecting the right inverter for a particular application?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-the-criteria-for-selecting-the-right-inverter-for-a-particular-application\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eTo choose an inverter; you should first define your needs. Where is the inverter to be used? Inverters are available for use in buildings (including homes), for recreational vehicles, boats, and portable applications. Will it be connected to the utility grid in some way? Electrical conventions and safety standards differ for various applications, so don’t improvise.\u003c\/p\u003e\n\u003cp\u003eWhen sizing an inverter, you need to take into consideration both the\u003cstrong\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003erunning power\u003c\/em\u003e\u003c\/strong\u003e \u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cstrong\u003e(continuous)\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eand the additional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cem\u003estarting surge power\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements of the AC side loads.\u003c\/p\u003e\n\u003cp\u003eSome loads require much higher starting surge power for the first few seconds before settling down at the running power. The inverter should be sized on the basis of the starting surge power of the AC side load. The total starting surge power is equal to the normal running power plus the additional starting power. The following symbols and equation will be used for explanation purposes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRunning Power, Watts – \u003cstrong\u003eWr\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdditional Starting Power or Additional Continuous Power, Watts – \u003cstrong\u003eWa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Starting Surge Power, Watts = Running Power (\u003cstrong\u003eWr\u003c\/strong\u003e) + Additional Starting Power \/ Additional Continuous Power (\u003cstrong\u003eWa\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe specifications of inverters may include a rating termed Surge Power. Normally, the duration of this Surge Power rating is not quantified in the specifications and is assumed to last for less than 1 second. Unless the Surge Power Rating of the inverter is specified to last for \u0026gt; 5 seconds, this Surge Power specification of the inverter should not be considered for purposes of sizing loads with high and prolonged starting surge power.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOnly the Continuous Power rating of the inverter should be considered in such cases\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eElectric motor driven compressor\/pump based loads like refrigerators\/freezers, air conditioners, air compressors, sump and well pumps, etc. require a very high Starting Surge Power of around 5 to 7 times the Running Power for the initial start up. This Starting Surge Power may last for 2 to 5 seconds.  The Additional Starting Power\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 4 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSwitched Mode Power Supplies (SMPS) that do not have Power Factor correction draw a non linear, pulsing current with a high Crest Factor (Ratio of instantaneous value and the RMS value) that may reach a value of 4. Also, the effective Power Factor of these types of power supplies is very low around 0.6. If the inverter is sized based on the Running Power of these units, the inverter will be continuously overloaded from instant to instant due to the higher peaks of the pulsing current. The inverter for these units should be sized at 3 times the Running Power of the power supply. Alternatively, for sizing purposes, the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Consumer electronics like computers, TV, VCR, audio\/ video devices, etc. use this type of power supply.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(Please note that this sizing is not applicable if the SMPS has Power Factor correction and the Power Factor is around 0.9)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMotors used in washing machines have to start under load due to the weight of the clothes, water and the drum. Hence, the Additional Starting Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. This starting power normally lasts from 2 to 5 seconds.\u003c\/p\u003e\n\u003cp\u003eThe Watt rating of the microwaves normally indicates output cooking power in Watts. As the microwave is not an efficient device, the AC input power in Watts should be taken as 2 times the output cooking power in Watts i.e. the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 1 time the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Hence, a microwave with 900 Watt cooking power will require an 1800 Watt inverter. \u003cstrong\u003e(If the power rating of the inverter is indicated as the AC input power in Watts, the factor of 2 is not applicable).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe following symbols and equations are used in the sizing of an inverter example below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Running Power of the items selected, Watts – \u003cstrong\u003eWrt\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHighest Additional Starting Power out of the items selected, Watts – \u003cstrong\u003eWah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e*Highest power for sizing purpose, Watts – \u003cstrong\u003eWrt + Wah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e* It is assumed that only one out of the selected items starts at one time\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSince the AC loads rarely start at the same time, the load with the highest Additional Starting Power \u003cstrong\u003eWah\u003c\/strong\u003e has been factored in.\u003c\/p\u003e\n\u003cp\u003eExample:\u003cbr\u003e\u003c\/p\u003e\n\u003ctable id=\"tablepress-15\" class=\"tablepress tablepress-id-15 tablepress-responsive\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eRunning Power, Wr, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003eAdditional\u003cbr\u003eStarting Power or Additional Continuous Power *, Wa, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003eQuantity\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003eExtended\u003cbr\u003eRunning Power, Wt, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator – Electric Compressor based\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e800\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eColor TV\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e450\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eLaptop Adapter\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e240\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIncandescent Lamps\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e60\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e0\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e6\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e360\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*\u003c\/strong\u003e \u003cem\u003eAdditional Continuous Power is applicable to SMPS based loads that have no Power Factor Correction.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTotal Extended Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e = 200 + 225 + 120 + 360 = \u003cstrong\u003e905\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e = \u003cstrong\u003e800\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Power for sizing the inverter = Total Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e(905 W) + Highest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e (800 W) = \u003cstrong\u003e1705\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the electrical standards pertaining to DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThe DC input voltage must conform to that of the electrical system and battery bank. 12 volts is recommended for small, simple systems. 24 and 48 volts are the common standards for higher capacities. A higher voltage system carries less current, which makes the system wiring cheaper and easier.\u003c\/p\u003e\n\u003cp\u003eThe inverter’s AC output must conform to the conventional power in the region to run locally available appliances. The standard for AC utility service in North America is 120 and 240 Volts at a frequency of 60 Hertz (cycles per second). In Europe, South America, and most other places, it is 230 volts at 50 Hertz.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are \"continuous\" and \"surge\" power capacity ratings for DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-continuous-and-surge-power-capacity-ratings-for-DC-AC-inverters\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eHow much load can an inverter handle? Its power output is rated in Watts.  There are two levels of power rating -a continuous rating and a surge rating. Continuous means the amount of power the inverter can handle for an indefinite period of hours. When an inverter is rated at a certain number of Watts, that number generally refers to its continuous rating. The “surge power” indicates the power to handle instantaneous overload of a few seconds to provide the higher power required to start certain type of devices and appliances.  Resistive types of loads (like incandescent lamps, toaster, coffee maker, electric range, iron etc) do not require extra power to start. Their starting power is the same as their running power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow do \"surge power\" electrical loads affect DC-AC inverter operation?\u003c\/h5\u003e\n\u003cp\u003eIf an inverter cannot efficiently feed the surge power, it may simply shut down instead of starting the device. If the inverter’s surge capacity is marginal, its output voltage will dip during the surge. This can cause a dimming of the lights in the house, and will sometimes crash a computer.\u003c\/p\u003e\n\u003cp\u003eAny weakness in the battery and cabling to the inverter will further limit its ability to start a motor. A battery bank that is undersized, in poor condition, or has corroded connections, can be a weak link in the power chain. The inverter cables and the battery interconnect cables must be sized properly. The spike of DC current through these cables is many hundreds of amps at the instant of a motor starting for example.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter for loads that require starting surge?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-for-loads-that-require-starting-surge\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eObserve the following guideline to determine the continuous wattage of the inverter for powering loads that require starting surge. (Multiply the running watts of the device\/appliance by the Surge Factor)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e The surge power rating specified for this inverter is valid for duration of less than 1 second. This very short duration may not be sufficient to start motor based loads which may require up to 5 seconds to complete starting process. Hence, for purposes of sizing the inverter, use only the continuous power rating of this inverter.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable id=\"tablepress-16\" class=\"tablepress tablepress-id-16 tablepress-responsive\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eSurge Factor\u003cbr\u003e(No. of times the running power rating of the device\/appliance)\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator \/ Freezer\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e5\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eAir Compressors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e4\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDishwasher\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eSump pump\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-6 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eFurnace fans\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIndustrial motors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-8 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eCircular saw\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-9 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eBench Grinder\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-10 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003ePortable diesel \/ kerosene fuel heater\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e2\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to operate a microwave?\u003c\/h5\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe power rating of the microwave generally refers to the cooking power. The electrical power consumed by the microwave will be approximately 2 times the cooking power. The “surge power” of the inverter should be 2 times the electrical power (i.e., 4 times the cooking power). Please note that the surge power of the microwave is not as long as the motor load and hence, the surge power of the inverter can be considered to determine adequacy of meeting the starting surge power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to power a water supply pump?\u003c\/h5\u003e\n\u003cp\u003eA water well or pressure pump often places the greatest demand on the inverter. It warrants special consideration. Most pumps draw a very high surge of current during start up. The inverter must have sufficient surge capacity to handle it while running any other loads that may be on. It is important to size an inverter sufficiently, especially to handle the starting surge (If the exact starting rating is not available, the starting surge can be taken as 3 times the normal running rating of the pump). Oversize it still further if you want it to start the pump without causing lights to dim or blink.\u003c\/p\u003e\n\u003cp\u003eIn North America, most pumps (especially submersibles) run on 240 VAC, while smaller appliances and lights use 120 VAC. To obtain 240 VAC from a 120 VAC inverter, use a 120 VAC to 240 VAC transformer. If you do not already have a pump installed, you can get a 120 volt pump if you don’t need more than 1\/2 HP.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is \"idle power\" in a DC-AC inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-idle-power-in-a-DC-AC-inverter\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIdle power is the consumption of the inverter when it is on, but no loads are running. It is “wasted” power, so if you expect the inverter to be on for many hours during which there is very little load (as in most residential situations), you want this to be as low as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are Phantom and idling loads?\u003c\/h5\u003e\n\u003cp\u003eMost of the modern gadgets draw some power whenever they are plugged in. Some of them use power to do nothing at all. An example is a TV with a remote control. Its electric eye system is on day and night, watching for your signal to turn the screen on. Every appliance with an external wall-plug transformer uses power even when the appliance is turned off. These little loads are called “phantom loads” because their power draw is unexpected, unseen, and easily forgotten.\u003c\/p\u003e\n\u003cp\u003eA similar concern is “idling loads.” These are devices that must be on all the time in order to function when needed. These include smoke detectors, alarm systems, motion detector lights, fax machines, and answering machines. Central heating systems have a transformer in their thermostat circuit that stays on all the time. Cordless (rechargeable) appliances draw power even after their batteries reach a full charge. If in doubt, feel the device. If it’s warm, that indicates wasted energy.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eCan a standard DC-AC inverter be connected in parallel with another AC source\/ DC-AC inverter \/ electrical utility?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"Can-a-standard-DC-AC-inverter-be-connected-in-parallel-with-another-AC-source-DC-AC-inverter-electrical-utility\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe AC output of standard inverters cannot be synchronised with another AC source and hence, it is not suitable for paralleling. The AC output of the inverter should never be connected directly to an electrical breaker panel \/ load center which is also fed from the utility power \/generator. Such a connection may result in parallel operation of the different power sources and AC power from the utility \/ generator will be fed back into the inverter which will instantly damage the output section of the inverter and may also pose a fire and safety hazard.\u003c\/p\u003e\n\u003cp\u003eIf an electrical breaker panel \/ load center is fed from an inverter and this panel is also required to be powered from additional alternate AC sources, the AC power from all the AC sources like the utility \/ generator \/ inverter should first be fed to a manual selector switch and the output of the selector switch should be connected to the electrical breaker panel \/ load center. To prevent possibility of paralleling and severe damage to the inverter, never use a simple jumper cable with a male plug on both ends to connect the AC output of the inverter to a handy wall receptacle in the home\/RV.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow can DC-AC inverters be connected to multi-wire branch circuits?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-can-DC-AC-inverters-be-connected-to-multi-wire-branch-circuits\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eDo not directly connect the hot side of the inverter to the two hot legs of the 120 \/ 240 VAC electrical breaker panel \/ load centre where multi-wire ( common neutral ) branch circuit wiring method is used for distribution of AC power. This may lead to overloading\/overheating of the neutral conductor and is a risk of fire.\u003c\/p\u003e\n\u003cp\u003eA split phase transformer (isolated or auto-transformer ) of suitable wattage rating ( 25% more than the wattage rating of the inverter ) with primary of 120 VAC and secondary of 120 \/ 240 VAC ( Two 120 VAC split phases 180 degrees apart) should be used. The hot and neutral of the 120 VAC output of the inverter should be fed to the primary of this transformer and the 2 hot outputs (120 VAC split phases ) and the neutral from the secondary of this transformer should be connected to the electrical breaker panel\/ load centre.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to supply computer or printer loads?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eComputers and Printers generally come with in-built switch-mode power supplies (see application notes and FAQs on switch mode power supplies (SMPS)) that have extremely low power factor on account of the extremely peaky and non-linear nature of the current drawn by them from the AC source. Hence for such loads we recommend using inverters with three times the advertised power consumption of the computer or printer loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is the difference between a 12V, 24V and 48V inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-the-difference-between-a-12V-24V-and-48V-inverter\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eA 12-V can be fed from a 12V battery or DC supply. Similarly 24V and 48V inverters can be fed from 24V and 48V batteries\/DC power supplies, respectively. Cars usually have 12V batteries. Trucks have 24V batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Samlex","offers":[{"title":"Default Title","offer_id":46576230957282,"sku":"EVO-1212F-HW","price":895.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5090\/1474\/files\/invertercharger12volt1200wattstopevo-1212f-hw-copy670.png?v=1751453287"},{"product_id":"samlex-1200-watts-12v-pure-sine-inverter-charger","title":"Samlex 1200 Watts 12V Pure Sine Inverter\/Charger EVO-1212F","description":"\u003ch2\u003eSamlex 1200 Watts 12V Pure Sine Inverter\/Charger\u003c\/h2\u003e\n\u003cp\u003eSamlex Evolution Series inverter\/chargers provide reliable AC power wherever it’s needed and can be used with Lead Acid or Lithium Batteries.  The EVO™ F Series are smaller and compact, with slightly less standard output power of 1200 Watts and a 60 Amp programmable charger, than our regular EVO Series.  It comes with all the standard features of our regular series which makes it a good choice for handling short duration heavy surge loads at the reduced cost of a smaller inverter.  It is good for use in boats, RVs, cabins, and specialty vehicles, as well as alternative energy, back-up and emergency power applications.\u003c\/p\u003e\n\u003ch2 class=\"o-product-accordion--header j-accordion--toggle\"\u003eFeatures\u003cspan class=\"icon-divider o-product-accordion--arrow\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"o-product-accordion--body j-accordion--body\"\u003e\n\u003cp\u003e\u003cstrong\u003eAdaptive Battery Charger Option for Lead Acid Batteries\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6 programmable charging profiles – 2, 3 and 4 stages with Equalization\u003c\/li\u003e\n\u003cli\u003eAlgorithm monitoring in the Bulk Stage assesses the battery’s condition. The remaining charging stages are based on the battery’s condition rather than a pre-set charging time.\u003c\/li\u003e\n\u003cli\u003eReduces excess charging time and extends life of battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTransfer Switch\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eZero transfer time when switching from Inverter to AC input source. When AC input source comes on, the inverter synchronizes with the incoming wave form and then transfers instantly at zero crossing without interruption to the load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSurge Capacity (Active Power Boost)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe inverter has a surge capability of 3X its continuous power rating, allowing it to turn on loads with high starting surge.\u003c\/li\u003e\n\u003cli\u003eInverter loads can exceed the continuous power output by the Power Boost Allowances without triggering and overload fault.\u003c\/li\u003e\n\u003cli\u003eThere is no need to upsize to a larger inverter\/charger to handle a heavy surge load, resulting in reduced costs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSolar Input\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnect a solar charge controller (up to 50A) directly to the EVO™ through the Battery Charger External DC Input\u003c\/li\u003e\n\u003cli\u003eExternal charging current is monitored to free up more power from the grid to be available to the load while charging.\u003c\/li\u003e\n\u003cli\u003eONLINE Mode can be used to prioritize Batteries\/Inverter over the grid, ideal for those who want to operate primarily on solar power, even when the grid is available (when grid is costly).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eState-of-the-Art Technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMultiple physical points of protection monitoring are scanned up to 10,000 times per second to detect adverse internal and external conditions.\u003c\/li\u003e\n\u003cli\u003eThe EVO™ is practically indestructible. The EVO™ will detect fault conditions and initiate a healthy shutdown before any damage can be done.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAC Input \/ Output Option\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAC Power Cord Inlet and Duplex GFCI outlet: EVO-1212F\/1224F; hardwired: EVO-1212F-HW\/1224F-HW\u003c\/li\u003e\n\u003cli\u003eThe EVO-RC-PLUS remote control (sold separately) can be used to capture detailed EVO™ performance data, stored on a removable 16GB SD Card. Advanced features for programming various parameters and modes of operation. 4 rows of 20 character alpha numeric LCD display for messaging.\u003c\/li\u003e\n\u003cli\u003eThe EVO™ uses five temperature sensors placed throughout the unit to determine operation of 2 speed controlled cooling fans. Reduces unnecessary fan noise and energy consumption by only running when and where the fans are needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSamlex 1200 Watts 12V Pure Sine Inverter\/Charger \u003cmeta charset=\"utf-8\"\u003eProduct Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable style=\"width: 100.107%; height: 274.394px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5996px;\"\u003e\n\u003cth style=\"width: 19.7463%; height: 19.5996px;\"\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 77.2044%; height: 19.5996px;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5996px;\"\u003e\n\u003ctd style=\"width: 19.7463%; height: 19.5996px;\"\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2044%; height: 19.5996px;\"\u003e12 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5996px;\"\u003e\n\u003ctd style=\"width: 19.7463%; height: 19.5996px;\"\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2044%; height: 19.5996px;\"\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5996px;\"\u003e\n\u003ctd style=\"width: 19.7463%; height: 19.5996px;\"\u003e\u003cstrong\u003eWatts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2044%; height: 19.5996px;\"\u003e1200 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5996px;\"\u003e\n\u003ctd style=\"width: 19.7463%; height: 19.5996px;\"\u003e\u003cstrong\u003eSurge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2044%; height: 19.5996px;\"\u003e3600 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5996px;\"\u003e\n\u003ctd style=\"width: 19.7463%; height: 19.5996px;\"\u003e\u003cstrong\u003eOutlets\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2044%; height: 19.5996px;\"\u003eGFCI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5996px;\"\u003e\n\u003ctd style=\"width: 19.7463%; height: 19.5996px;\"\u003e\u003cstrong\u003eFuse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2044%; height: 19.5996px;\"\u003eExternal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1992px;\"\u003e\n\u003ctd style=\"width: 19.7463%; height: 39.1992px;\"\u003e\u003cstrong\u003eRemote Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2044%; height: 39.1992px;\"\u003eEVO-RC-PLUS (Optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5996px;\"\u003e\n\u003ctd style=\"width: 19.7463%; height: 19.5996px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2044%; height: 19.5996px;\"\u003e38.8 lbs \/ 17.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5996px;\"\u003e\n\u003ctd style=\"width: 19.7463%; height: 19.5996px;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2044%; height: 19.5996px;\"\u003e12.76 x 16.34 x 5.83 in \/ 324 x 415 x 148 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 58.7988px;\"\u003e\n\u003ctd style=\"width: 19.7463%; height: 58.7988px;\"\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.2044%; height: 58.7988px;\"\u003eIntertek-ETL listed: Certified to CAN\/CSA STD. C22.2 No. 107.1-01; Conforms to ANSI\/UL STD.458. Certified to FCC Part 15(B), Class A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c!-- notionvc: 48f9e67d-8bd5-445f-9ac2-ec3bde37a857 --\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e Product Manual\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSamlex 1200 Watts 12V Pure Sine Inverter\/Charger \u003cmeta charset=\"utf-8\"\u003eProduct Manual\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eSamlex Product Manual\u003c\/h2\u003e\n\u003ch2\u003eSamlex Specifications\u003c\/h2\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Warranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2 class=\"o-product--description\"\u003e3 Years Limited Warranty\u003c\/h2\u003e\n\u003ch3 class=\"o-product--description\"\u003eProduct FAQs\u003c\/h3\u003e\n\u003ch5 class=\"o-product--description\"\u003eWhat is a Pure Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-product--description\"\u003eThe output voltage of a sine wave inverter has a sine wave form like the sine wave form of the mains \/ utility voltage. In a sine wave, the voltage rises and falls smoothly with a smoothly changing phase angle and also changes its polarity instantly when it crosses 0 Volts.\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-are-the-advantages-of-Pure-Sine-Wave-inverters\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"What-is-a-Modified-Sine-Wave-Inverter\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIn a modified sine wave, the voltage rises and falls abruptly, the phase angle also changes abruptly and it sits at 0 Volts for some time before changing its polarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the advantages of Pure Sine Wave inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe output wave-form is a sine-wave with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003every low harmonic distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand clean power like utility supplied electricity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive loads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elike microwaves and motors run faster, quieter and cooler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces audible and electrical noise\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein fans, fluorescent lights, audio amplifiers, TV, fax and answering machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents crashes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein computers, weird print outs and glitches in monitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\" id=\"Which-devices-will-not-function-properly-from-a-Modified-Sine-Wave-Inverter\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhich devices will not function properly from a Modified Sine Wave Inverter?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eAny device that uses a control circuitry that senses the phase (for voltage \/ speed control) or instantaneous zero voltage crossing (for timing control) will not work properly from a voltage that has a modified sine wave-form. Also, as the modified sine wave is a form of square wave, it is comprised of multiple sine waves of odd harmonics (multiples) of the fundamental frequency of the modified sine wave. For example, a 60 Hz. modified sine wave will consist of sine waves with odd harmonic frequencies of 3rd (180 Hz), 5th (300 Hz.), 7th (420 Hz.) and so on. The high frequency harmonic content in a modified sine wave produces enhanced radio interference, higher heating effect in motors \/ microwaves and produces overloading due to lowering of the impedance of low frequency filter capacitors \/ power factor improvement capacitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSome examples of devices that may not work properly with modified sine wave and may also get damaged are given below\u003c\/em\u003e\u003c\/p\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli\u003eLaser printers, photocopiers, magneto-optical hard drives\u003c\/li\u003e\n\u003cli\u003eThe built-in clocks in devices such as clock radios, alarm clocks, coffee makers, bread-makers, VCR, microwave ovens etc may not keep time correctly\u003c\/li\u003e\n\u003cli\u003eOutput voltage control devices like dimmers, ceiling fan \/ motor speed control may not work properly (dimming \/ speed control may not function)\u003c\/li\u003e\n\u003cli\u003eSewing machines with speed \/ microprocessor control\u003c\/li\u003e\n\u003cli\u003eTransformer-less capacitive input powered devices like (i) Razors, flashlights, night-lights, smoke detectors etc (ii) Re-chargers for battery packs used in hand power tools.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eDevices that use radio frequency signals carried by the AC distribution wiring\u003c\/li\u003e\n\u003cli\u003eSome new furnaces with microprocessor control \/ Oil burner primary controls\u003c\/li\u003e\n\u003cli\u003eHigh intensity discharge (HID) lamps like Metal Halide lamps.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThese may get damaged. Please check with the manufacturer of these types of devices for suitability\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eSome fluorescent lamps \/ light fixtures that have power factor correction capacitors.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eThe inverter may shut down indicating overload\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is a DC-AC inverter?\u003c\/h5\u003e\n\u003cp\u003eWhen you plug anything into the wall in your home you are usually “plugging in” to the power-grid provided as a service by your utility company. Your utility company supplies you with alternating current (AC) electricity. AC electricity flows in alternate directions many times per second. AC is used for utility grid service because it is more practical for long distance transmission.\u003c\/p\u003e\n\u003cp\u003eBatteries provide direct current electricity (DC) electricity which flows in a single direction.  DC power is what is used in many electronics in the home like laptops, solar cells, LED bulbs, and electric vehicles.  They usually have built-in converters to take the AC power received from a plug-in and convert it to DC.\u003c\/p\u003e\n\u003cp\u003eAn inverter (converter) acts as a power adapter as it converts DC to AC,  AC to DC, and can also change the voltage. It allows a battery-based system to run conventional AC appliances directly or through conventional home wiring.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the criteria for selecting the right inverter for a particular application?\u003c\/h5\u003e\n\u003cdiv id=\"What-are-the-criteria-for-selecting-the-right-inverter-for-a-particular-application\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eTo choose an inverter; you should first define your needs. Where is the inverter to be used? Inverters are available for use in buildings (including homes), for recreational vehicles, boats, and portable applications. Will it be connected to the utility grid in some way? Electrical conventions and safety standards differ for various applications, so don’t improvise.\u003c\/p\u003e\n\u003cp\u003eWhen sizing an inverter, you need to take into consideration both the\u003cstrong\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003erunning power\u003c\/em\u003e\u003c\/strong\u003e \u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cstrong\u003e(continuous)\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eand the additional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cem\u003estarting surge power\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements of the AC side loads.\u003c\/p\u003e\n\u003cp\u003eSome loads require much higher starting surge power for the first few seconds before settling down at the running power. The inverter should be sized on the basis of the starting surge power of the AC side load. The total starting surge power is equal to the normal running power plus the additional starting power. The following symbols and equation will be used for explanation purposes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRunning Power, Watts – \u003cstrong\u003eWr\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdditional Starting Power or Additional Continuous Power, Watts – \u003cstrong\u003eWa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Starting Surge Power, Watts = Running Power (\u003cstrong\u003eWr\u003c\/strong\u003e) + Additional Starting Power \/ Additional Continuous Power (\u003cstrong\u003eWa\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe specifications of inverters may include a rating termed Surge Power. Normally, the duration of this Surge Power rating is not quantified in the specifications and is assumed to last for less than 1 second. Unless the Surge Power Rating of the inverter is specified to last for \u0026gt; 5 seconds, this Surge Power specification of the inverter should not be considered for purposes of sizing loads with high and prolonged starting surge power.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOnly the Continuous Power rating of the inverter should be considered in such cases\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eElectric motor driven compressor\/pump based loads like refrigerators\/freezers, air conditioners, air compressors, sump and well pumps, etc. require a very high Starting Surge Power of around 5 to 7 times the Running Power for the initial start up. This Starting Surge Power may last for 2 to 5 seconds.  The Additional Starting Power\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 4 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSwitched Mode Power Supplies (SMPS) that do not have Power Factor correction draw a non linear, pulsing current with a high Crest Factor (Ratio of instantaneous value and the RMS value) that may reach a value of 4. Also, the effective Power Factor of these types of power supplies is very low around 0.6. If the inverter is sized based on the Running Power of these units, the inverter will be continuously overloaded from instant to instant due to the higher peaks of the pulsing current. The inverter for these units should be sized at 3 times the Running Power of the power supply. Alternatively, for sizing purposes, the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Consumer electronics like computers, TV, VCR, audio\/ video devices, etc. use this type of power supply.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(Please note that this sizing is not applicable if the SMPS has Power Factor correction and the Power Factor is around 0.9)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMotors used in washing machines have to start under load due to the weight of the clothes, water and the drum. Hence, the Additional Starting Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 2 times the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. This starting power normally lasts from 2 to 5 seconds.\u003c\/p\u003e\n\u003cp\u003eThe Watt rating of the microwaves normally indicates output cooking power in Watts. As the microwave is not an efficient device, the AC input power in Watts should be taken as 2 times the output cooking power in Watts i.e. the Additional Continuous Power \u003cstrong\u003eWa\u003c\/strong\u003e should be taken as 1 time the Running Power \u003cstrong\u003eWr\u003c\/strong\u003e. Hence, a microwave with 900 Watt cooking power will require an 1800 Watt inverter. \u003cstrong\u003e(If the power rating of the inverter is indicated as the AC input power in Watts, the factor of 2 is not applicable).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe following symbols and equations are used in the sizing of an inverter example below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Running Power of the items selected, Watts – \u003cstrong\u003eWrt\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHighest Additional Starting Power out of the items selected, Watts – \u003cstrong\u003eWah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e*Highest power for sizing purpose, Watts – \u003cstrong\u003eWrt + Wah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e* It is assumed that only one out of the selected items starts at one time\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSince the AC loads rarely start at the same time, the load with the highest Additional Starting Power \u003cstrong\u003eWah\u003c\/strong\u003e has been factored in.\u003c\/p\u003e\n\u003cp\u003eExample:\u003cbr\u003e\u003c\/p\u003e\n\u003ctable class=\"tablepress tablepress-id-15 tablepress-responsive\" id=\"tablepress-15\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eRunning Power, Wr, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003eAdditional\u003cbr\u003eStarting Power or Additional Continuous Power *, Wa, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003eQuantity\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003eExtended\u003cbr\u003eRunning Power, Wt, Watts\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator – Electric Compressor based\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e800\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e200\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eColor TV\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e450\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e225\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eLaptop Adapter\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e240\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e1\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e120\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIncandescent Lamps\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e60\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-3\"\u003e\n\u003cp\u003e\u003csmall\u003e0\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-4\"\u003e\n\u003cp\u003e\u003csmall\u003e6\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-5\"\u003e\n\u003cp\u003e\u003csmall\u003e360\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*\u003c\/strong\u003e \u003cem\u003eAdditional Continuous Power is applicable to SMPS based loads that have no Power Factor Correction.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTotal Extended Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e = 200 + 225 + 120 + 360 = \u003cstrong\u003e905\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e = \u003cstrong\u003e800\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003cp\u003eHighest Power for sizing the inverter = Total Running Power, \u003cstrong\u003eWrt\u003c\/strong\u003e(905 W) + Highest Additional Starting Power, \u003cstrong\u003eWah\u003c\/strong\u003e (800 W) = \u003cstrong\u003e1705\u003c\/strong\u003e Watts\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are the electrical standards pertaining to DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThe DC input voltage must conform to that of the electrical system and battery bank. 12 volts is recommended for small, simple systems. 24 and 48 volts are the common standards for higher capacities. A higher voltage system carries less current, which makes the system wiring cheaper and easier.\u003c\/p\u003e\n\u003cp\u003eThe inverter’s AC output must conform to the conventional power in the region to run locally available appliances. The standard for AC utility service in North America is 120 and 240 Volts at a frequency of 60 Hertz (cycles per second). In Europe, South America, and most other places, it is 230 volts at 50 Hertz.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are \"continuous\" and \"surge\" power capacity ratings for DC-AC inverters?\u003c\/h5\u003e\n\u003cdiv id=\"What-are-continuous-and-surge-power-capacity-ratings-for-DC-AC-inverters\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eHow much load can an inverter handle? Its power output is rated in Watts.  There are two levels of power rating -a continuous rating and a surge rating. Continuous means the amount of power the inverter can handle for an indefinite period of hours. When an inverter is rated at a certain number of Watts, that number generally refers to its continuous rating. The “surge power” indicates the power to handle instantaneous overload of a few seconds to provide the higher power required to start certain type of devices and appliances.  Resistive types of loads (like incandescent lamps, toaster, coffee maker, electric range, iron etc) do not require extra power to start. Their starting power is the same as their running power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow do \"surge power\" electrical loads affect DC-AC inverter operation?\u003c\/h5\u003e\n\u003cp\u003eIf an inverter cannot efficiently feed the surge power, it may simply shut down instead of starting the device. If the inverter’s surge capacity is marginal, its output voltage will dip during the surge. This can cause a dimming of the lights in the house, and will sometimes crash a computer.\u003c\/p\u003e\n\u003cp\u003eAny weakness in the battery and cabling to the inverter will further limit its ability to start a motor. A battery bank that is undersized, in poor condition, or has corroded connections, can be a weak link in the power chain. The inverter cables and the battery interconnect cables must be sized properly. The spike of DC current through these cables is many hundreds of amps at the instant of a motor starting for example.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter for loads that require starting surge?\u003c\/h5\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-for-loads-that-require-starting-surge\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eObserve the following guideline to determine the continuous wattage of the inverter for powering loads that require starting surge. (Multiply the running watts of the device\/appliance by the Surge Factor)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e The surge power rating specified for this inverter is valid for duration of less than 1 second. This very short duration may not be sufficient to start motor based loads which may require up to 5 seconds to complete starting process. Hence, for purposes of sizing the inverter, use only the continuous power rating of this inverter.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable class=\"tablepress tablepress-id-16 tablepress-responsive\" id=\"tablepress-16\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"row-1 odd\"\u003e\n\u003cth class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDevice \/ Appliance\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003eSurge Factor\u003cbr\u003e(No. of times the running power rating of the device\/appliance)\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"row-hover\"\u003e\n\u003ctr class=\"row-2 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eRefrigerator \/ Freezer\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e5\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-3 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eAir Compressors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e4\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-4 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eDishwasher\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-5 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eSump pump\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-6 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eFurnace fans\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-7 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eIndustrial motors\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-8 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eCircular saw\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-9 odd\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003eBench Grinder\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e3\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"row-10 even\"\u003e\n\u003ctd class=\"column-1\"\u003e\n\u003cp\u003e\u003csmall\u003ePortable diesel \/ kerosene fuel heater\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"column-2\"\u003e\n\u003cp\u003e\u003csmall\u003e2\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to operate a microwave?\u003c\/h5\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-operate-a-microwave\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe power rating of the microwave generally refers to the cooking power. The electrical power consumed by the microwave will be approximately 2 times the cooking power. The “surge power” of the inverter should be 2 times the electrical power (i.e., 4 times the cooking power). Please note that the surge power of the microwave is not as long as the motor load and hence, the surge power of the inverter can be considered to determine adequacy of meeting the starting surge power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to power a water supply pump?\u003c\/h5\u003e\n\u003cp\u003eA water well or pressure pump often places the greatest demand on the inverter. It warrants special consideration. Most pumps draw a very high surge of current during start up. The inverter must have sufficient surge capacity to handle it while running any other loads that may be on. It is important to size an inverter sufficiently, especially to handle the starting surge (If the exact starting rating is not available, the starting surge can be taken as 3 times the normal running rating of the pump). Oversize it still further if you want it to start the pump without causing lights to dim or blink.\u003c\/p\u003e\n\u003cp\u003eIn North America, most pumps (especially submersibles) run on 240 VAC, while smaller appliances and lights use 120 VAC. To obtain 240 VAC from a 120 VAC inverter, use a 120 VAC to 240 VAC transformer. If you do not already have a pump installed, you can get a 120 volt pump if you don’t need more than 1\/2 HP.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is \"idle power\" in a DC-AC inverter?\u003c\/h5\u003e\n\u003cdiv id=\"What-is-idle-power-in-a-DC-AC-inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eIdle power is the consumption of the inverter when it is on, but no loads are running. It is “wasted” power, so if you expect the inverter to be on for many hours during which there is very little load (as in most residential situations), you want this to be as low as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat are Phantom and idling loads?\u003c\/h5\u003e\n\u003cp\u003eMost of the modern gadgets draw some power whenever they are plugged in. Some of them use power to do nothing at all. An example is a TV with a remote control. Its electric eye system is on day and night, watching for your signal to turn the screen on. Every appliance with an external wall-plug transformer uses power even when the appliance is turned off. These little loads are called “phantom loads” because their power draw is unexpected, unseen, and easily forgotten.\u003c\/p\u003e\n\u003cp\u003eA similar concern is “idling loads.” These are devices that must be on all the time in order to function when needed. These include smoke detectors, alarm systems, motion detector lights, fax machines, and answering machines. Central heating systems have a transformer in their thermostat circuit that stays on all the time. Cordless (rechargeable) appliances draw power even after their batteries reach a full charge. If in doubt, feel the device. If it’s warm, that indicates wasted energy.\u003c\/p\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eCan a standard DC-AC inverter be connected in parallel with another AC source\/ DC-AC inverter \/ electrical utility?\u003c\/h5\u003e\n\u003cdiv id=\"Can-a-standard-DC-AC-inverter-be-connected-in-parallel-with-another-AC-source-DC-AC-inverter-electrical-utility\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eThe AC output of standard inverters cannot be synchronised with another AC source and hence, it is not suitable for paralleling. The AC output of the inverter should never be connected directly to an electrical breaker panel \/ load center which is also fed from the utility power \/generator. Such a connection may result in parallel operation of the different power sources and AC power from the utility \/ generator will be fed back into the inverter which will instantly damage the output section of the inverter and may also pose a fire and safety hazard.\u003c\/p\u003e\n\u003cp\u003eIf an electrical breaker panel \/ load center is fed from an inverter and this panel is also required to be powered from additional alternate AC sources, the AC power from all the AC sources like the utility \/ generator \/ inverter should first be fed to a manual selector switch and the output of the selector switch should be connected to the electrical breaker panel \/ load center. To prevent possibility of paralleling and severe damage to the inverter, never use a simple jumper cable with a male plug on both ends to connect the AC output of the inverter to a handy wall receptacle in the home\/RV.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow can DC-AC inverters be connected to multi-wire branch circuits?\u003c\/h5\u003e\n\u003cdiv id=\"How-can-DC-AC-inverters-be-connected-to-multi-wire-branch-circuits\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eDo not directly connect the hot side of the inverter to the two hot legs of the 120 \/ 240 VAC electrical breaker panel \/ load centre where multi-wire ( common neutral ) branch circuit wiring method is used for distribution of AC power. This may lead to overloading\/overheating of the neutral conductor and is a risk of fire.\u003c\/p\u003e\n\u003cp\u003eA split phase transformer (isolated or auto-transformer ) of suitable wattage rating ( 25% more than the wattage rating of the inverter ) with primary of 120 VAC and secondary of 120 \/ 240 VAC ( Two 120 VAC split phases 180 degrees apart) should be used. The hot and neutral of the 120 VAC output of the inverter should be fed to the primary of this transformer and the 2 hot outputs (120 VAC split phases ) and the neutral from the secondary of this transformer should be connected to the electrical breaker panel\/ load centre.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eHow should I size my DC-AC inverter to supply computer or printer loads?\u003c\/h5\u003e\n\u003cdiv id=\"How-should-I-size-my-DC-AC-inverter-to-supply-computer-or-printer-loads\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eComputers and Printers generally come with in-built switch-mode power supplies (see application notes and FAQs on switch mode power supplies (SMPS)) that have extremely low power factor on account of the extremely peaky and non-linear nature of the current drawn by them from the AC source. Hence for such loads we recommend using inverters with three times the advertised power consumption of the computer or printer loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan class=\"r-faqs--faq-toggle s-read-more j-faqs--toggle\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003ch5 class=\"r-faqs--faq-question j-faqs--question\"\u003eWhat is the difference between a 12V, 24V and 48V inverter?\u003c\/h5\u003e\n\u003cdiv class=\"o-resource-body\"\u003e\n\u003cdiv class=\"r-faqs j-faqs\"\u003e\n\u003cdiv class=\"r-faqs--container\"\u003e\n\u003cdiv class=\"r-faqs--faqs j-faqs--faqs\"\u003e\n\u003cdiv id=\"What-is-the-difference-between-a-12V-24V-and-48V-inverter\" class=\"r-faqs--faq j-faqs--single\"\u003e\n\u003cdiv class=\"r-faqs--faq-answer j-faqs--answer open\"\u003e\n\u003cp\u003eA 12-V can be fed from a 12V battery or DC supply. Similarly 24V and 48V inverters can be fed from 24V and 48V batteries\/DC power supplies, respectively. Cars usually have 12V batteries. Trucks have 24V batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Samlex","offers":[{"title":"Default Title","offer_id":46576231022818,"sku":"EVO-1212F","price":895.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5090\/1474\/files\/EVO-1212F.jpg?v=1751453297"},{"product_id":"samlex-evolution-f-series-inverter-charger-remote-control-evo-rc-plus","title":"Samlex Evolution F Series Inverter\/Charger Remote Control (EVO-RC-PLUS)","description":"\u003ch2\u003eSamlex Evolution F Series Inverter\/Charger Remote Control (EVO-RC-PLUS)\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eEVO-RC-PLUS\u003c\/strong\u003e remote features a wide LCD screen for displaying real-time activity, including output voltage, frequency, amps, watts, volt-amps, power factor, battery voltage, battery current, solar input current, and more. The Samlex Evolution F Series Inverter\/Charger Remote Control (EVO-RC-PLUS) allows access to advanced features for programming of up to 58 different operating parameters to meet desired operating conditions.\u003c\/p\u003e\n\u003cp\u003eThe Samlex Evolution F Series Inverter\/Charger Remote Control (EVO-RC-PLUS) can capture performance data onto a removable SD card, allowing you to record historic power consumption, inverter functionality, battery charging activity, as well as many other parameters. Additionally, it will identify detected faults and the conditions leading up to them, allowing you to analyze trends for more efficient use of off-grid resources. The \u003cstrong\u003eEVO-RC-PLUS\u003c\/strong\u003e remote also features an internal Real Time Clock and Super Capacitor Type of battery for clock and timing operations.\u003c\/p\u003e\n\u003cp\u003eThe Samlex Evolution F Series Inverter\/Charger Remote Control (EVO-RC-PLUS) features a metal enclosure for increased durability, is flush mountable, and includes a 33-foot data cable for easy connection and remote mounting.\u003c\/p\u003e\n\u003ch3\u003eSamlex Evolution F Series Inverter\/Charger Remote Control (EVO-RC-PLUS) Compatibility:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSamlex EVO-1212F\u003c\/li\u003e\n\u003cli\u003eSamlex EVO-1212-HW\u003c\/li\u003e\n\u003cli\u003eSamlex EVO-1224F\u003c\/li\u003e\n\u003cli\u003eSamlex EVO-1224-HW\u003c\/li\u003e\n\u003cli\u003eSamlex EVO-2212\u003c\/li\u003e\n\u003cli\u003eSamlex EVO-3012\u003c\/li\u003e\n\u003cli\u003eSamlex EVO-2224\u003c\/li\u003e\n\u003cli\u003eSamlex EVO-4024\u003c\/li\u003e\n\u003cli\u003eSamlex EVO-4248SP\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSamlex Evolution F Series Inverter\/Charger Remote Control (EVO-RC-PLUS) Features:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAdvanced features for programming various parameters and modes of operation\u003c\/li\u003e\n\u003cli\u003e4 rows of 20 characters alpha numeric LCD display for messaging\u003c\/li\u003e\n\u003cli\u003eRobust metal enclosure\u003c\/li\u003e\n\u003cli\u003eSD card slot can manage a removable SD Card up to 16GB (SD Card not included)\u003c\/li\u003e\n\u003cli\u003eProgram various parameters and modes of operation\u003c\/li\u003e\n\u003cli\u003eProvides real time and data logged performance details\u003c\/li\u003e\n\u003cli\u003eSD Card Slot (accepts SD Card up to 16GB) to record data\u003c\/li\u003e\n\u003cli\u003eIndicates the status of Inverter \u0026amp; Charging Modes\u003c\/li\u003e\n\u003cli\u003ePower ON\/OFF, or switch to Standby Mode\u003c\/li\u003e\n\u003cli\u003eMetal enclosure for increased durability\u003c\/li\u003e\n\u003cli\u003eFlush mountable\u003c\/li\u003e\n\u003cli\u003eIncludes 33 ft of RJ-45 data cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSamlex Evolution F Series Inverter\/Charger Remote Control (EVO-RC-PLUS) Applications:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBoats, RVs, trucks, specialty vehicles\u003c\/li\u003e\n\u003cli\u003eAlternative energy, off-grid, cabins, remote locations, areas with unreliable utility power\u003c\/li\u003e\n\u003cli\u003eBack-up and emergency power applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSamlex Evolution F Series Inverter\/Charger Remote Control (EVO-RC-PLUS) Documents:\u003c\/h2\u003e\n\u003cp\u003e\u003ca class=\"button\" href=\"https:\/\/nomadicsupply.com\/wp-content\/uploads\/2022\/01\/samlex-evolution-f-series-inverter-charger-remote-control-samlex-programmable-remote-control-f-evolu.pdf\" rel=\"noopener\" target=\"_blank\"\u003eSamlex Programmable Remote Control f\/Evolution F Series Inverter\/Charger Optional (EVO-RC-PLUS) Brochure\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca class=\"button\" href=\"https:\/\/nomadicsupply.com\/wp-content\/uploads\/2022\/01\/samlex-evolution-f-series-inverter-charger-remote-control-samlex-programmable-remote-control-f-evolu-1.pdf\" rel=\"noopener\" target=\"_blank\"\u003eSamlex Programmable Remote Control f\/Evolution F Series Inverter\/Charger Optional (EVO-RC-PLUS) Owner’s Manual\u003c\/a\u003e\u003c\/p\u003e","brand":"Samlex","offers":[{"title":"Default Title","offer_id":47893361688802,"sku":"SKU_1781376898800_823","price":170.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5090\/1474\/files\/samlex-inverter-charger-remote-control-for-evolution-f-series-evo-rc-plus.jpg?v=1781376906"}],"url":"https:\/\/greenvistaliving.com\/collections\/samlex.oembed","provider":"Green Vista Living","version":"1.0","type":"link"}