Use 120V on a 220V machine?
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  1. #1
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    Use 120V on a 220V machine?

    There was a post by MAC702 in the general welding forum that said his Miller Passport 180 could use 120V power. Was this a typo, or can some of the 220V machines use 120V?

  2. #2
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    Re: Use 120V on a 220V machine?

    Some machines are dual voltage input, some are multi-phase and voltage capable. Especially inverter machines. I have the Lincoln invertec 205. I have done tig on aluminum with 120v(30A circuit). It gave me 130 amps to work with. So I could easily do 1/8 aluminum, and some 3/16. The output is reduced when volted down, but when you NEED to use it, it is nice to have it. I have a pro cut 25 plasma cutter that runs on dual voltage also. That little sucker is great, and does a decent job even on 120v.
    I think she is Bi-polar. She is a bear sometimes. Does this make her a BiPolar bear????

  3. #3
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    Re: Use 120V on a 220V machine?

    You beat me to it. After a little research I saw the inverter reference. So, my next question is which MIG machines have the inverter?

  4. #4
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    Re: Use 120V on a 220V machine?

    Quote Originally Posted by scuba14c
    You beat me to it. After a little research I saw the inverter reference. So, my next question is which MIG machines have the inverter?
    Lincoln invertec STT II. You ain't gonna like the cost on that one...or the multipurpose machine, the Lincoln invertec V350 pro. Both use 200-460V input. Both cost over $4000. On several websites, you can get a used Millermatic 135, or Lincoln 100, 135, 140 for a decent price. Or Home Depot/ Lowes. You can do 3/16" with no problems at all, and with practice, thicker than that.
    I think she is Bi-polar. She is a bear sometimes. Does this make her a BiPolar bear????

  5. #5
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    Re: Use 120V on a 220V machine?

    Sure would be nice to be able to delete this accidental double-post caused by my computer's lag........
    Last edited by MAC702; 06-01-2007 at 02:18 PM.

  6. #6
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    Re: Use 120V on a 220V machine?

    Quote Originally Posted by Rojodiablo
    ... you can get a used Millermatic 135, or Lincoln 100, 135, 140 for a decent price. Or Home Depot/ Lowes. You can do 3/16" with no problems at all, ....
    So you have no problem with an amateur building vehicle frames from 3/16" steel with a 120V non-inverter MIG welder?
    Last edited by MAC702; 06-01-2007 at 02:19 PM.

  7. #7
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    Re: Use 120V on a 220V machine?

    Mac, If I can get a 220V machine that will work with 120V, I can do the lighter fabrication jobs (muffler/exhaust) until I find a way to get 220V. Is the Passport you have still for sale?

    Edit-Do any of the Lincoln or Hobart 220V welders have the inverter board?
    Last edited by scuba14c; 06-01-2007 at 02:29 PM.

  8. #8
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    Re: Use 120V on a 220V machine?

    Hobart doesn't have one. I haven't looked through a Lincoln catalog in a few years, but you can check the products link at www.lincolnelectric.com and let us know if they yet have anything to compete with a Passport. I've not seen it yet.

    Another option, though I think it's more of a waste, is the Millermatic DVI (Dual-Voltage Input). It's a non-inverter, but still able to switch between 120V and 240V, almost the size of a MM212.

    The Passport is designed for portability, the only truly portable self-contained GMAW machine that I know of. You seem more garage-based, right? A DVI might work for you, and it's spoolgun-compatible for later, unlike the Passport.

    Passport still for sale, as posted in other thread.

  9. #9
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    Re: Use 120V on a 220V machine?

    Yeah, I'm based out of a garage. I haven't seen a Lincoln with the dual voltage capability, and I called a welding shop. The guy there said Miller is the only place with the voltage selector. The DVI would be nice, but the $1400 price isn't. I'm looking for sub $700.

    MAC-I sent you a pm about your Passport.

  10. #10
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    Re: Use 120V on a 220V machine?

    Quote Originally Posted by MAC702
    So you have no problem with an amateur building vehicle frames from 3/16" steel with a 120V non-inverter MIG welder?
    If he practices until he gets competent, no. If he has the best, high-zoot welder in the world, and he doesn't practice until he is competent....then, yes I would worry.
    I think she is Bi-polar. She is a bear sometimes. Does this make her a BiPolar bear????

  11. #11
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    Re: Use 120V on a 220V machine?

    Quote Originally Posted by Rojodiablo
    If he practices until he gets competent, ...
    That's a much better phrase. Saying "no problem" to a guy looking for the cheapest machine to do vehicle frames, leaves open the wrong door.

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