What is the duty cycle for the Millermatic 211 Auto Set at 120 VAC?
The 120 VAC model has a 20% duty cycle at 90 A. This means the welder can operate at 90 amperes for 2 minutes, then must pause for 8 minutes to allow cooling before resuming welding at that amperage. Exceeding the duty cycle can damage the equipment and void the warranty.
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