Duty Cycle And Overheating For Stick - Miller Multimatic 255 Owner's Manual

4-10. Duty Cycle And Overheating For Stick

60% Duty Cycle At 200A
40% Duty Cycle At 240A
Overheating
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0
15
Minutes
Duty Cycle is percentage of 10 minutes that
unit can weld at
overheating.
If unit overheats, output stops. Wait fifteen
minutes for unit to cool. Reduce amperage or
duty cycle before starting to weld again.
NOTICE – Exceeding duty cycle can damage
unit and void warranty.
A or V
OR
Reduce Duty Cycle
rated load without
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