Duty Cycle And Overheating - Miller Electric Big Blue 402D Owner's Manual

4-6. Duty Cycle And Overheating

A. Deutz F4L-1011-Powered Units
B. Deutz F3L912-Powered Units
OM-495 Page 20
100% Duty Cycle At 400 Amperes
Continuous Welding
100% Duty Cycle At 500 Amperes
Continuous Welding
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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.
089 697-D / 202 356