Duty Cycle And Overheating; Fuel Consumption - Miller Big Blue 800 DUO PRO Owner's Manual

4-5. Duty Cycle And Overheating

4-6. Fuel Consumption

4.50
4.25
4.00
3.75
3.50
3.25
3.00
2.75
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
IDLE
0.50
0.25
0.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800
.
Complete Parts List available at www.MillerWelds.com
1
DC WELD AMPERES AT 100% DUTY CYCLE
1 100% Duty Cycle
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
.
This unit is rated for welding at
400 amperes continuously in
dual operator mode or 800 am-
peres continuously in single
operator mode.
NOTICE − Exceeding duty cycle
can damage unit and void warranty.
The curve shows typical fuel use
under weld or power loads.
Single Operator Mode
Dual Operator Mode
259 680-A
OM-262 752 Page 19