Question about Refrigerators

How many watts do I need in a generator?

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A 3Kw generator will power most refrigerators unless you add too many other devices to the circuit. There is a surge of electricity needed at start-up of any compressor.

Posted on Dec 31, 2012

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Posted on Jan 02, 2017

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SOURCE: i have a kenmore elite refrigerator. Am trying to

plan on 11 amps which would be 1100 watts and 115 volts.

Posted on Oct 03, 2009

SOURCE: cubic feet size of Kenmore refrigerator

Try this site: http://www.kouba-cavallo.com/refmods.htm

Posted on Nov 12, 2009

SOURCE: Need to know if I

Hello Bob,

There should be absoluty no problem on that 1600 watt generator..at max when compressor just starts its drawing about 750 watts, that is the max usage when running its about 500 and on defrost its like 850 ..so on 1600 watt generator no problem

Posted on Aug 25, 2011

SOURCE: I have a kenmore refrig/freezer.

Hello,

The calulation of max wattage is going to be 750 watts at start up and be around 500 on normal running wattage after start up so a 1100 watt generator should be fine.

GENE

Posted on Sep 06, 2011

Steve,

The microwave alone shouldn't cause a problem for the generator as even the most powerful models run about 1200 watts or about 10 amps. An air conditioner on the other hand, can draw considerably more power to run depending on BTU size; 15 amps and up is not uncommon (and even twice as much as that though only briefly when starting).

If these were the only things connected and on, the generator should be able to handle them - again depending on the BTU size of the AC unit. Generators state their capacity in Watts, but must of the devices we connect are in Amps. Calculating Watts in an AC circuit is complicated, but pretty close to the much easier Watts in a DC circuit for most residential settings. Here's how it's done:

Watts = volts x amps. Pretty simple stuff. Your generator is rated at 5500 watts. The microwave is say, 120 volts / 10 amps - which equals 1200 watts. The generator has 4300 capacity available now. Suppose your air conditioner is rated at 120 volts / 15 amps - which equals 1800 watts. 4300watts - 1800watts = 2400watts capacity is left. But, the starting current for the AC is as much as 25 amps for a few seconds (and once started drops back to 15 amps) - which means there's only 1200 watts capacity left. Add up the rest of the appliances you're running at the same time (TV set, Cable / Satellite box, stereo, toaster, lights, computer, etc.- you get the idea), and you can see how you might have exceeded the 5500 watts capacity of the generator for a few seconds. It's at these times that your hear / see the generator speed falter and sputter, lights dim, etc.. If this is happening a lot, you may need a larger or additional generator.

I hope this helps and good luck!

The microwave alone shouldn't cause a problem for the generator as even the most powerful models run about 1200 watts or about 10 amps. An air conditioner on the other hand, can draw considerably more power to run depending on BTU size; 15 amps and up is not uncommon (and even twice as much as that though only briefly when starting).

If these were the only things connected and on, the generator should be able to handle them - again depending on the BTU size of the AC unit. Generators state their capacity in Watts, but must of the devices we connect are in Amps. Calculating Watts in an AC circuit is complicated, but pretty close to the much easier Watts in a DC circuit for most residential settings. Here's how it's done:

Watts = volts x amps. Pretty simple stuff. Your generator is rated at 5500 watts. The microwave is say, 120 volts / 10 amps - which equals 1200 watts. The generator has 4300 capacity available now. Suppose your air conditioner is rated at 120 volts / 15 amps - which equals 1800 watts. 4300watts - 1800watts = 2400watts capacity is left. But, the starting current for the AC is as much as 25 amps for a few seconds (and once started drops back to 15 amps) - which means there's only 1200 watts capacity left. Add up the rest of the appliances you're running at the same time (TV set, Cable / Satellite box, stereo, toaster, lights, computer, etc.- you get the idea), and you can see how you might have exceeded the 5500 watts capacity of the generator for a few seconds. It's at these times that your hear / see the generator speed falter and sputter, lights dim, etc.. If this is happening a lot, you may need a larger or additional generator.

I hope this helps and good luck!

Dec 25, 2011 | Watts Onan Portable Generator - 5000 ,...

Hello,

The calulation of max wattage is going to be 750 watts at start up and be around 500 on normal running wattage after start up so a 1100 watt generator should be fine.

GENE

The calulation of max wattage is going to be 750 watts at start up and be around 500 on normal running wattage after start up so a 1100 watt generator should be fine.

GENE

Sep 06, 2011 | Kenmore Refrigerators

For what you are trying to run a 6000 what will work. You will need a running watt of no less than 5000 watts.

The 7000 will work just fine.

The 7000 will work just fine.

Aug 26, 2011 | Coleman Heating & Cooling

Hello Bob,

There should be absoluty no problem on that 1600 watt generator..at max when compressor just starts its drawing about 750 watts, that is the max usage when running its about 500 and on defrost its like 850 ..so on 1600 watt generator no problem

There should be absoluty no problem on that 1600 watt generator..at max when compressor just starts its drawing about 750 watts, that is the max usage when running its about 500 and on defrost its like 850 ..so on 1600 watt generator no problem

Aug 25, 2011 | Amana Refrigerators

The largest remington pole saw is an 8 amp model which would take about 900 W on a 110 v supply.

The 6 inch model takes 6 amps wich would be about 700 watt.

It's probably best to oversize your generator to about 2kva then you can use it to power lights and other power tools etc

The 6 inch model takes 6 amps wich would be about 700 watt.

It's probably best to oversize your generator to about 2kva then you can use it to power lights and other power tools etc

Feb 17, 2011 | Remington Polesaw Wizard

Good day,

That sounds about right, however if your generator is rated in wattage the amps times volts won't work.

On an induction unit, such as a refrigerator, the wattage is volts times power factor times amps.

Nominal wattage should be around 375 watts. However, during auto defrost the heater will probably be around 450 watts.

As well, locked rotor amps on starting will be about 4 times running amps approx. 18 to 20 amps. so your generator will have to be able to handle that.

The short and long of it is give yourself wiggle room.

That sounds about right, however if your generator is rated in wattage the amps times volts won't work.

On an induction unit, such as a refrigerator, the wattage is volts times power factor times amps.

Nominal wattage should be around 375 watts. However, during auto defrost the heater will probably be around 450 watts.

As well, locked rotor amps on starting will be about 4 times running amps approx. 18 to 20 amps. so your generator will have to be able to handle that.

The short and long of it is give yourself wiggle room.

Aug 24, 2010 | Kenmore Refrigerators

plan on 11 amps which would be 1100 watts and 115 volts.

Oct 03, 2009 | Kenmore Elite 22.4 cu. ft. Bottom Freezer...

Most fridges pull between 4 to 5 amps (600 watts) so a 1000 watt generator would cover all of them.

Oct 23, 2008 | Kenmore Elite 22.4 cu. ft. Bottom Freezer...

a 10000 due to the startup surge. also need start kits on any ac started by a generator.

Oct 08, 2008 | Dometic 57915531 Air Conditioner

A: Running watts are the continuous watts needed to keep items running. Starting watts, are extra watts needed for two or three seconds to start motor-driven products like a refrigerator or AC unit.

Aug 27, 2008 | Coleman Powermate Proforce 6,000 Watt 12...

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