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3. fuel consumption, 4. duty cycle and overheating – Miller Electric Big Blue 251D User Manual

Page 15

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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