OM-252 624 Page 22
4-6. Fuel Consumption
The curve shows typical fuel use
under weld or power loads.
253 020-A
0.00
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
0
50
100
150
200
250
300
350
400
450
500
550
600
US Gal./Hr.
DC WELD AMPERES AT 100% DUTY CYCLE
IDLE
Single Arc
Dual Arcs
.95
1.90
2.84
3.79
4.73
5.69
6.62
7.57
Liters/Hr
8.52
9.46
Paralleled Arc
10.41
4-7. Duty Cycle And Overheating
253 022
−
A
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
300 amperes continuously.
NOTICE
−
Exceeding duty cycle
can damage unit and void warranty.
1
200
300
400
500
600
700
800
0
10
20
30
40
50
60
70
80
90
100
% DUTY CYCLE
SINGLE
WELD AMPHERES
DUAL