Miller Electric Big Blue 500 PT - Manual (Page 22)

OM-4429 Page 18
4-5. Fuel Consumption
The curve shows typical fuel use
under weld or power loads.
215 082−A
IDLE
DC WELD AMPERES AT 100% DUTY CYCLE
U.S. GAL./HR.
0
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
0 50 100 150 200 250 300 350 400 450 500 550 600
Continuous Welding
4-6. 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.
100% Duty Cycle At 400 Amperes
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