Miller Dialarc 250 AC/DC Owner's Manual - Page 15
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4-3. Environmental Specifications
Operating Temperature Range
Storage/Transportation Temperature Range
-4 to 131 °F (-20 to 55°C)
14 to 104 °F (-10 to 40°C)
Temp1_016- 08
4-4. Duty Cycle And Overheating
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
NOTICE − Exceeding duty cycle
can damage unit and void warranty.
30% Duty Cycle At 225 Amperes AC
3 Minutes Welding
7 Minutes Resting
50% Duty Cycle At 175 Amperes DC
5 Minutes Welding
5 Minutes Resting
Overheating
A
0
15
OR
Reduce Duty Cycle
Minutes
rduty1 5/95 − 002 120-B
OM-321 Page 11