Duty Cycle And Overheating - Miller Electric Big Blue 600D Owner's Manual

3-4. Duty Cycle And Overheating

1000
800
600
500
400
300
250
200
150
100
10
3-5. AC Generator Power
100% Duty Cycle At 600 Amperes
Continuous Welding
15 20 25 30
% DUTY CYCLE
40 50 60 80 100
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.
sb1.1 8/93 SB-134 397-C
The ac power curve shows the gen-
erator power in amperes available
at the 120 and 240 volt receptacles.
rsb3.1 2/92 – ST-109 365-C
OM-481 Page 11