Miller Electric Big 40 WG - Manuel (Page 16)

OM-4405 Page 12
3-5. Fuel Consumption
The curve shows typical fuel use
under weld or power loads.
201 033
0.00
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
DC WELD AMPERES AT 100% DUTY CYCLE
U
.S. Ga
l./H
r.
IDLE
Continuous Welding
3-6. Duty Cycle And Overheating
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.
100% Duty Cycle At 300 Amperes
199 140
WELD
AMPERES
% DUTY CYCLE