Miller Electric SYNCROWAVE 250 TM-353E - Manual (Page 11)

TM-353 Page 7 Syncrowave 250
3-3. Duty Cycle And Overheating
4 Minutes Welding 6 Minutes Resting
6 Minutes Welding 4 Minutes Resting
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
If unit overheats, thermostat opens,
output stops, light goes on (CE
models only), and cooling fan runs.
Wait fifteen minutes for unit to cool.
Reduce amperage or duty cycle be-
fore welding.
Y Exceeding duty cycle can
damage unit and void
warranty.
40% Duty Cycle At 250 Amperes (60 Hz Models Only)
Overheating
0
15
A
OR
Reduce Duty Cycle
Minutes
duty1 4/95 / SB-116 198
60% Duty Cycle At 200 Amperes