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OM-4401 Page 11
6 Minutes Welding 4 Minutes Resting
3-4. Duty Cycle And Overheating
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
Y Exceeding duty cycle can
damage unit and void
warranty.
60% Duty Cycle at 350 Amperes DC
198 919
100
150
200
250
300
350
400
0 10 20 30 40 50 60 70 80 90 100
% DUTY CYCLE
WELD AMPERES
DC
AC
3-5. AC Generator Power Curve
200 268
The ac power curve shows the gen-
erator power in amperes available
at the 120 and 240 volt receptacles.
0
50
100
150
200
250
300
0 10 20 30 40 50 60 70 80 90
AC AMPERES IN 240V MODE
0
25
50
75
100
150
125
0
20 40 80
100
140 160
AC AMPERES IN 120V MODE
60
120
180
AC VOLTS
12 kW