4-4. Duty Cycle

Duty cycle is the percentage of 10

1minutes that unit can weld at rated load without overheating.

1 100% Duty Cycle

This unit is rated for continuous welding at 90 amperes CC/AC.

2 30% Duty Cycle

This unit is rated at 30% duty cycle

2(3 minutes welding, 7 minutes rest- ing) at 140 amperes CC/AC.

NOTICE − Exceeding duty cycle can damage unit and void warranty.

212 950

4-5. Generator Power Curve

The ac generator power curves show the generator power available in amperes at the receptacles.

AC Power Volts

300

250

200

150

100

50

 

 

 

 

 

 

0 0

10

20

30

40

50

60

AC Power Amperes

226 077

OM-4418 Page 14

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Image 18
Hobart Welding Products 4500 manual Duty Cycle, Generator Power Curve, AC Power Volts, AC Power Amperes