3. duty cycle and overheating – Hobart Welding Products HANDLER 210 MVP User Manual

Page 17

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OM-249 498 Page 13

4-3. Duty Cycle And Overheating

Duty Cycle is percentage of 10

minutes that unit can weld at rated

load without overheating.
If unit overheats, thermostat(s)

opens, output stops, and cooling

fan runs. Wait fifteen minutes for

unit to cool. Reduce amperage or

duty cycle before welding.
NOTICE − Exceeding duty cycle

can damage unit or gun and void

warranty.

Overheating

0

15

A or V

OR

Reduce Duty Cycle

Minutes

duty1 4/95 − 249 620-A

30% duty cycle at 150 amps

3 Minutes Welding

7 Minutes Resting

230 VAC

20% duty cycle at 90 amps

2 Minutes Welding

8 Minutes Resting

115 VAC

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