Miller Electric Big Blue 251D Welding System User Manual


 
OM-480 Page 11
4-3. Fuel Consumption
SB-137 487-A
The curve shows typical fuel use
under weld or power loads.
4-4. Duty Cycle And Overheating
rduty1 5/95 SB-070 999-B
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
Y Exceeding duty cycle can
damage unit and void
warranty.
Continuous Welding
100% Duty Cycle At 250 Amperes