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mm 251 on a generator

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  • mm 251 on a generator

    can u run a 251 on a bobcat trailblazer or pro 300 if not
    will a guardian system work

  • #2
    To run a 251 off of a genny, you will need one that is capable of producing around 14Kw.

    I get this figure by multiplying the full load amps of the welder (54Amps I think)by 240 volts.
    This gives you a figure of 12960Watts. add another 2kw as a safety margin and this is what you will need to provide to the welder in order to run the 251 at full load. If you are running at less than full load, you could get away with a smaller Genny but its not a good idea.
    Will it weld? I loooove electricity!

    Miller 251/30A spool
    Syncro200
    Spectrum 625
    O/A
    Precix 5x10 CNC Router12"Z
    Standard modern lathe
    Cheap Chinese mill that does the trick... sort of...
    horizontal 7x12 bandsaw
    Roland XC540 PRO III
    54" laminator
    hammer and screwdriver (most used)
    little dog
    pooper scooper (2nd most used...)

    Comment


    • #3
      To run a 251 off of a genny, you will need one that is capable of producing around 14Kw.

      I get this figure by multiplying the full load amps of the welder (54Amps I think)by 240 volts.
      This gives you a figure of 12960Watts. add another 2kw as a safety margin and this is what you will need to provide to the welder in order to run the 251 at full load. If you are running at less than full load, you could get away with a smaller Genny but its not a good idea.
      Will it weld? I loooove electricity!

      Miller 251/30A spool
      Syncro200
      Spectrum 625
      O/A
      Precix 5x10 CNC Router12"Z
      Standard modern lathe
      Cheap Chinese mill that does the trick... sort of...
      horizontal 7x12 bandsaw
      Roland XC540 PRO III
      54" laminator
      hammer and screwdriver (most used)
      little dog
      pooper scooper (2nd most used...)

      Comment


      • #4
        Hi,
        The Millermatic 212 models and under will work off of a Bobcat and Trailblazer, unfortunately, the MM 251 will not work very well. Because it uses SCR's, it requires higher amounts of "peak" currents than our generators can supply. From what I've seen of Guardian generators, they will not power that machine either.
        Have a great day!

        John Leisner
        Product Manager
        Miller Electric Mfg. Co.

        Owner and user of:
        Trailblazer 302 and Legend 301
        Smith Dual Guard oxy-fuel system
        Various borrowed Millermatics and Spectrums.

        Comment

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