Fuel Consumption; Duty Cycle And Overheating - Miller Electric PRO 300 CAT Owner's Manual

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4-4. Fuel Consumption

2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
IDLE
0.00
0
50
DC WELD AMPERES AT 100% DUTY CYCLE

4-5. Duty Cycle And Overheating

1000
800
600
500
400
300
250
200
150
100
10
OM-236 948 Page 16
100
150
200
1
CV
15
20
25
30
% DUTY CYCLE
250
300
350
400
CC
40
50 60
80
100
The curve shows typical fuel use
under weld or power loads.
217 509
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
250 amperes continuously.
NOTICE − Exceeding duty cycle
can damage unit and void warranty.
217 515

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