2-3. Duty Cycle And Overheating
Overheating
60% Duty Cycle At 150 Amperes
6 Minutes Welding
0
Minutes
4 Minutes Resting
15
OR
Reduce Duty Cycle
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
If unit overheats, thermostat(s)
opens, output stops, and cooling
fan runs. Wait fifteen minutes for
unit to cool. Reduce amperage or
voltage, or duty cycle before
welding.
Y Exceeding duty cycle can
damage
unit
and
warranty.
A or V
duty1 4/95 – SB-181 009
OM-194 199 Page 6
void