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    break's Avatar
    break Posts: 1, Reputation: 1
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    #1

    Mar 12, 2012, 04:43 PM
    What size breaker for 230VAC, 21 amps for a Dual MIG Welder
    Chicago Electric Welding Systems
    Dual MIG Welder
    Model 97503
    Welding Current=30-120 amps
    Input Power =230VAC, 21 amps (Peak) at 60 Hz
    Open Circuit Voltage (Max) 36 VAC
    smoothy's Avatar
    smoothy Posts: 25,490, Reputation: 2853
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    #2

    Mar 12, 2012, 04:46 PM
    What size is the wiring to the outlet this plugs into... thats what determins breaker size.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #3

    Mar 12, 2012, 09:31 PM
    For 21 amps, you will need to go with a 30 amp breaker. Need a 10/2 or 10/3 dependincg on outlet configuration
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