3-4. Duty Cycle And Overheating

Duty Cycle is percentage of 10 min- utes that unit can weld at rated load without overheating.

Y Exceeding duty cycle can damage unit and void warranty.

60% Duty Cycle At 350 Amperes

100% Duty Cycle At 300 Amperes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6 Minutes Welding

4 Minutes Resting

Continuous Welding

3-5. AC Auxiliary Power

rduty1 5/95 – SB-111 076-A

The ac power curve shows the aux- iliary power in amperes available at the 120 and 240 volt receptacles.

rsb3.1 2/92 – ST-109 365-C

OM-477 Page 11

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Image 15
Miller Electric Big 40G manual Duty Cycle And Overheating, AC Auxiliary Power, Minutes Welding Minutes Resting