I have pinged a few makers and retailers and all they do is point me at their user manuals, which typically state only 60Hz support. Even the Chinese-made el-cheapo 115v units that go for $100-$200 only state 120v/60Hz.
One maker (Miller) suggested their portable model which supports 50Hz/60Hz...
I am considering the purchase of a MIG/ARC welder from the US for use in (East) Japan. The specs for the welder are
115v/60Hz/1-phase (output is 135A). It uses an inverter instead of the more traditional transformer to step up the amps.
Unfortunately, East Japan power is 100v/50Hz with a...
