Cut Sheet

V1-T3-6 Volume 1—Residential and Light Commercial CA08100002E—January 2015 www.eaton.com
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3.1
Residential Standby Backup Power Solutions
Standby Generators
Sizing Guidelines
When selecting the essential circuits that will be switched to
“Backup Power,” it is important that the sum of the combined
circuit loads does not exceed the wattage/amperage capacity
of the generator. To help you with your selection of essential
circuits, please add up the total wattage of all electrical devices
to be connected at one time. This total should NOT be greater
than the generator’s wattage capacity.
Refer to Eaton Generator Sizing Guide Publication Number
TD00405018E and consult with a trained professional.
Circuit Selection
123
Dimensions
Approximate Dimensions in Inches (mm)
Air-Cooled Standby
Liquid-Cooled Standby
Notes
1
The rated wattage of lights can be taken from light bulbs. The rated wattage of tools,
appliances and motors can usually be found on a data plate or decal affixed to the device.
2
If the appliance, tool or motor does not give wattage, multiply 120 volts times the ampere
rating to determine watts (volts x amps = watts) for single-phase only.
3
Some electric motors (induction types) require about three times more watts of power for
starting than for running. This surge lasts for only a few seconds. Be sure you allow for this
high starting wattage when selecting electrical devices that will be energized by the backup
power system:
Figure the watts required to start the largest motor.
Add that to the total running watts of all other connected loads.
4
All weights provided for steel enclosures only.
Device
Common
Running Watts
Air conditioner (12,000 btu) 1700
Air conditioner (24,000 btu) 3800
Air Conditioner (40,000 btu) 6000
Battery charger (20 amp) 500
Circular saw (6-1/2-inch) 800–1000
Clothes dryer (electric) 5750
Clothes dryer (gas) 700
Clothes washer 1150
Coffee maker 1750
Compressor (1 hp) 2000
Compressor (1/2 hp) 1400
Compressor (3/4 hp) 1800
Curling iron 700
Dehumidifier 650
Electric blanket 400
Electric range (per element) 1500
Electric skillet 1250
Freezer 700
Furnace fan (3/5 hp) 875
Garage door opener 500–750
Hair dryer 1200
Hand drill 250–1100
Iron 1200
Jet pump 800
Light bulb 100
Microwave oven 700–1000
Milk cooler 1100
Oil burner on furnace 300
Oil fired space heater (140,000 btu) 400
Oil fired space heater (30,000 btu) 150
Oil fired space heater (85,000 btu) 225
Radio 50–200
Refrigerator 700
Slow cooker 200
Submersible pump (1 hp) 2000
Submersible pump (1/2 hp) 1500
Submersible pump (1-1/2 hp) 2800
Sump pump 800–1050
Table saw (10-inch) 1750–2000
Television 200–500
Toaster 1000–1650
Catalog
Number Length Width Height
Weight in
Lbs (kg)
EGENX8 48.00 (1219.2) 25.00 (635.0) 29.00 (736.6) 360 (163.0)
EGENX11A 48.00 (1219.2) 25.00 (635.0) 29.00 (736.6) 373 (169.2)
EGENX16A 48.00 (1219.2) 25.00 (635.0) 29.00 (736.6) 437 (198.2)
EGENX20A 48.00 (1219.2) 25.00 (635.0) 29.00 (736.6) 451 (204.6)
EGENX22A 48.00 (1219.2) 25.00 (635.0) 29.00 (736.6) 476 (216.0)
Catalog
Number Length Width Height
Weight in
Lbs (kg)
EGEN22 62.00 (1574.8) 29.00 (736.6) 34.00 (863.6) 895 (406.3)
EGEN25 63.00 (1600.2) 30.00 (762.0) 35.00 (889.0) 875 (397.3)
EGEN27 64.00 (1625.6) 31.00 (787.4) 36.00 (914.4) 891 (404.5)
EGEN30 60.00 (1651.0) 32.00 (812.8) 37.00 (939.8) 935 (424.5)
EGEN36 77.00 (1955.8) 34.00 (863.6) 45.00 (1143.0) 1683 (764.1)
EGEN45 78.00 (1981.2) 35.00 (889.0) 46.00 (1168.4) 1414 (642.0)
EGEN48 79.00 (2006.6) 36.00 (914.4) 47.00 (1193.8) 1703 (773.2)
EGEN60
4
80.00 (2032.0) 37.00 (939.8) 48.00 (1219.2) 1650 (749.1)
EGEN70
4
97.00 (2463.8) 37.00 (939.8) 48.00 (1219.2) 2185 (992.0)
EGEN80
4
115.00 (2921.0) 36.80 (934.7) 79.00 (2006.6) 2010 (912.5)
EGEN100
4
116.00 (2946.4) 36.80 (934.7) 80.00 (2032.0) 2705 (1228.1)
EGEN130
4
117.00 (2971.8) 36.80 (934.7) 81.00 (2057.4) 2873 (1304.3)
EGEN150
4
118.00 (2997.2) 36.80 (934.7) 82.00 (2082.8) 2666 (1210.4)