Complete Parts List available at www.MillerWelds.com
OM-4417 Page 15
Continuous Welding

4-5. Duty Cycle

220 625A
Duty cycle is the percentage of 10
minutes that unit can weld at rated
load without overheating.
NOTICE Exceeding duty cycle
can damage unit and void warranty.
100% Duty Cycle at 80 Amperes CC/DC
20% Duty Cycle at 145 Amperes CC/DC
% DUTY CYCLE
WELD AMPERES
0
010 20
20
30 40
40
50
60
60 70 80
80
90 100
100
120
140
160
2 Minutes Welding 8 Minutes Resting

4-6. Generator Power Curve

220 581
The ac generator power curves
show the generator power available
in amperes at the receptacles.
AMPERES
0
0
10 20 30 40 50 60 70 80
50
100
150
200
250
300
240 Volt
120 Volt
VOLTS