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Thread: LIGHTNING MTS 225 120v amp draw

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  1. Default LIGHTNING MTS 225 120v amp draw

    Looking at the LIGHTNING MTS 225 for mobile work and am looking for feed back using it for tig on a 120v circuit. The spec state it pulls 16A on 120v, but would like real world feedback of how it does on a 20 amp circuit. I don't want to be tripping breakers constantly.

  2. Default

    My 210EXT has a similar inrush amp rating as the MTS 225.

    I used to use the 210EXT exclusively on a 240V-30amp breaker, and it did fine, even though it would occasionally throw the breaker on startup, due to the inrush rating at 31 amps.

    But then I moved, and the unattached garaged I have at an apartment has a single 120V-20amp breaker where I weld at.

    So, for the past 4 years I've been using the 210EXT dual-voltage capacity with no problem to speak of on the 20 amp breaker, up to 120-125 amps for TIG on AC and DC. Although I've popped the breaker a few times when exceeding the duty-cycle by welding at around 125 amps for about 9-out-of 10 minutes. So, I set for no more than 120 amps for applications that I think will take all of that much heat.

    I usually unplug the remote garage door opener when using the welder on that sole circuit, too.
    Last edited by christian; 11-29-2022 at 12:58 AM.
    Everlast 210 EXT (2015)

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  3. Default

    Quote Originally Posted by christian View Post
    My 210EXT has a similar inrush amp rating as the MTS 225.

    I used to use the 210EXT exclusively on a 240V-30amp breaker, and it did fine, even though it would occasionally throw the breaker on startup, due to the inrush rating at 31 amps.

    But then I moved, and the unattached garaged I have at an apartment has a single 120V-20amp breaker where I weld at.

    So, for the past 4 years I've been using the 210EXT dual-voltage capacity with no problem to speak of on the 20 amp breaker, up to 120-125 amps for TIG on AC and DC. Although I've popped the breaker a few times when exceeding the duty-cycle by welding at around 125 amps for about 9-out-of 10 minutes. So, I set for no more than 120 amps for applications that I think will take all of that much heat.

    I usually unplug the remote garage door opener when using the welder on that sole circuit, too.


    Thank you for the reply, just what I was looking for.

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