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Thread: ESAB Lorch AC/DC

  1. #1
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    ESAB Lorch AC/DC

    I have the 301 and I know that several on here have the 200. My question is, What does the 201 offer for AC Hz option at 200 amps? Is it 200 or 100? or. Also with the 201 does your AC Hz depend on amperage selected or do you get full AC Hz range no matter what high amperage you select.
    Thanks.
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  2. #2
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    Re: ESAB Lorch AC/DC

    The reason I ask is I just acquired yet another tig unit but it will only do 100 AC Hz at 200 amps but will do 250 Hz at 100 amps. Not sure this is normal. May have something to do with duty cycle some how but I'm not seeing how.
    Thermal Arc 320SP ( Lorch )
    Cobra Pythons
    Thermal Arc 300 AC/DC ( Sanrex )
    ESAB 301i AC/DC ( Lorch )
    Thermal Arc 161STL ( WTL )
    Thermal Arc 190S ( Sanrex )
    Cut Master 82, 42. Cut45 ( WTL )
    Victor Gas Apps.
    Boxes and boxes of welding crap.

  3. #3
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    Re: ESAB Lorch AC/DC

    My Lorch handytig 200, which is a cut-down T series, does 200hz at all amps. I would have thought it should do the full range whatever the amps, for all lorch based models, they're very good for duty cycle.

    It will also do some very funky things when you apply a high frequency pulse on top of AC... e.g. a 400hz pulse on a 200hz AC wave Their inverter cores are very versatile that way.
    Last edited by Munkul; 08-19-2020 at 04:56 AM.

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  5. #4
    Join Date
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    Re: ESAB Lorch AC/DC

    The Caddie tig was similar in freq response, but not quite so radical ini operation . The 200 hz is available at all ac amps with the Lorch/Esab machines..(AKA Sanrex style)
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