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

4-9.

Duty Cycle And Overheating For MIG

60% Duty Cycle At 230A
40% Duty Cycle At 260A
Overheating
OM-278174 Page 14
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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