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Miller 330 A/AB Phase and Voltage???

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  • Miller 330 A/AB Phase and Voltage???

    208/230/460V Single Phase

    The first part of that would normally tell me I was looking at a three phase service requirement. The single phase description throws me.

    Will this machine run on a 120/240v single phase service entrance???
    =======================
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  • #2
    It will run on 240 volt and it is a single phase only unit....

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    • #3
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      • #4
        It will work on a 240V panel, but requires a large breaker/sub panel if you plan to get full power out of it.

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        • #5
          Mine is on 240v power and the current 60amp breaker does not like to tig weld heavy aluminum for long. The upgrade plans are for a 100amp service to it very soon.

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          • #6
            When I recently installed my Airco 300 (crosses with the 330 A/BP) I used 240 single phase and a 150A breaker.

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            • #7
              Originally posted by stickermigtigger View Post
              208/230/460V Single Phase

              The first part of that would normally tell me I was looking at a three phase service requirement. The single phase description throws me.

              Will this machine run on a 120/240v single phase service entrance???
              Just because you will usually find 208V and 460V voltages in three-phase services, doesn't mean all those machines are three-phase machines. You can get single-phase power from any three-phase service that has a neutral conductor. The only ones that wouldn't would be a three-phase service dedicated to a specific machine, usually.

              You will use this machine on a 2-pole breaker of your 120/240V single-phase service, and hook the machine up to run on the 230V input setting.

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