Miller Electric Maxstar 200 STR manual Duty Cycle And Overheating, Minutes Welding

4-3. Duty Cycle And Overheating

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

If unit overheats, output stops, and cooling fan runs. Wait fifteen min- utes for unit to cool. Reduce amper- age or duty cycle before welding.

Y Exceeding duty cycle can damage unit and void warranty.

90 A @ 100% Duty Cycle For 115 Volt Single-Phase Stick Process

125 A @ 100% Duty Cycle For 115 Volt Single-Phase TIG Process

150 A @ 60% Duty Cycle For Stick Process (Other Voltages)

175 A @ 60% Duty Cycle For TIG Process (Other Voltages)

6 Minutes Welding 4 Minutes Resting

Overheating

0	A or V
	15
	OR
Minutes	Reduce Duty Cycle

189 770-A

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