13-2. Generator Power Curve

The ac generator power curve shows the generator power avail- able in amperes at the receptacles.

 

300

150

 

 

 

 

 

 

 

 

250

125

 

 

 

 

 

 

 

 

200

100

 

 

 

 

 

 

 

Volts

150

75

 

 

 

 

 

 

 

AC

 

 

 

 

 

 

 

 

 

 

100

50

 

 

 

 

 

 

 

 

50

25

 

 

 

 

 

 

 

 

0

0

0

40

80

120

160

200

240

 

 

AC Amperes At 120 Volts

 

 

0

20

40

60

80

100

120

AC Amperes At 240 Volts

226 791-A

13-3. Duty Cycle

Duty cycle is the percentage of 10 minutes that unit can weld at rated load without overheating.

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

Continuous Welding

100% Duty Cycle at 250 Amperes

200 293

OM-217 455 Page 48

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Image 52
Miller Electric 250 manual Generator Power Curve, Duty Cycle, AC Amperes At 120 Volts, AC Amperes At 240 Volts