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A fundamental problem in selecting an
engine-driven generator is to determine the power
(kilowatt) requirements. Undersizing of the equipment can
be avoided by considering all of the loads that will be
connected to the generator and by determining the starting
requirements of all electric motors. To determine the
right size generator, add the total watts of all lights,
appliances, tools or other equipment to be connected to
the generator. Check the nameplates to determine wattage.
If wattage is not shown, but amps and volts are given, the
following simplified formula may be used: (Amps x Volts
= Watts) Example: 12.5 Amps x 120 Volts = 1500 Watts.
The chart shown below will help you in selecting the
proper size generator. For portable electric tools and
equipment, check the nameplate rating or use the chart for
average requirements. Remember your Pow'R Gard generator
is capable of momentarily supplying 150% of its nameplate
rating for motor starting applications. This will assist
starting the electric motor while the current demand is
heaviest.
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