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MIG welder transformer operating temp range

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  • MIG welder transformer operating temp range

    At what transformer temperature does a thermal overload thermostat open the contactor coil circuit in your average 200-250 amp welder?
    "little" HH140

  • #2
    After digging through some schematics I found that the MigMaster 250 has a 145° thermostat.

    I'd love to hear the ratings of thermostats used in other welders.
    "little" HH140

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