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ELECTRIC MOTOR LOADS
It is characteristic of common electric motors in normal operation to draw up to six times their running current while start-
ing. This table may be used to estimate the watts required to start "Code G" electric motors; however, if an electric motor
fails to start or reach running speed, turn off the appliance or tool immediately to avoid equipment damage. Always check
the requirements of the tool or appliance being used compared to the rated output of the generator.
Motor Size (H.P.)
1/8
1/6
1/4
1/3
1/2
3/4
1
CAUTION:
Operating voltage and frequency requirement of all electronic equipment should be checked prior to plugging them
into this generator. Damage may result if the equipment is not designed to operate within a +/- 10% voltage variation,
and +/- 3 hz frequency variation from the generator name plate ratings. To avoid damage, always have an additional
load plugged into the generator if solid state equipment (such as a television set) is used. A power line conditioner is
recommended for some solid state applications.
GENERATOR CAPACITY
Make sure the generator can supply enough continuous (run-
ning) and surge (starting) watts for the items you will power
at the same time. Follow these simple steps.
1. Select the items you will power at the same time.
2. Total the continuous (running) watts of these items. This
is the amount of power the generator must produce to
keep the items running. See the wattage reference chart
at right.
3. Estimate how many surge (starting) watts you will need.
Surge wattage is the short burst of power needed to
start electric motor-driven tools or appliances such as a
circular saw or refrigerator. Because not all motors start
at the same time, total surge watts can be estimated by
adding only the item(s) with the highest additional surge
watts to the total rated watts from step 2.
ELECTRICAL
Running Watts
Repulsion Induction
275
275
400
450
600
850
1100
Watts Required to Start Motor
600
600
850
975
1300
1900
2500
Example:
Tool or Appliance
Refrigerator
Portable Fan
Laptop
46 in. Flat Panel
Television
Light (75 Watts)
Total Continuous (Running) Watts
Plus Highest Additional Surge Watts
Equals Total Generator Output Required
8 — English
Capacitor
Split Phase
850
850
1050
1350
1800
2600
3300
Continuous
(Running) Watts
(Starting) Watts
700
40
250
190
75
1255 Total
Running Watts
1200
2050
2400
2700
3600
—
—
Surge
1350
120
250
190
75
1350 Highest
Surge Watts
1255
+ 1350
2605
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