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400 amp or smaller machine and I have a 50HP RPC.
when does a 3 phase welder only use 2 of the windings?
anyway, an 50HP rotary should be rated @ around 65A for welding. something like
a miller CP-302 is rated @ 34A/ph/220v @ 300A output. at 350 amps it would be a bit higher- but it should work in theory....
Before solid state power supplies, 3 phase AC/DC TIG machines only used two of the 3 phases. Some dual voltage AC stick welders only used 2 of the 3 phases. There are probably more example as well. It cost nothing to check first. My warning is based on first hand experience. I've seen this issue 3 times.
Before solid state power supplies, 3 phase AC/DC TIG machines only used two of the 3 phases. Some dual voltage AC stick welders only used 2 of the 3 phases. There are probably more example as well. It cost nothing to check first. My warning is based on first hand experience. I've seen this issue 3 times.
Before solid state power supplies, 3 phase AC/DC TIG machines only used two of the 3 phases. Some dual voltage AC stick welders only used 2 of the 3 phases. There are probably more example as well. It cost nothing to check first. My warning is based on first hand experience. I've seen this issue 3 times.
Could it be those are single phase ?
Please post a model number or better yet, a schematic.
that's good to know. my louvered lincoln tig is single phase.
my miller CP is absolutely 3 phase. almost picky that it is balanced, or it
won't run at all.
OK I didn't realize that every wire has a number stamped on it until this morning when I blew out the 40 years of dirt that had accumulated inside the machine . I have know completed the wire removal portion of the conversion and moving on to adding the new wiring. I guess I had a case of Brain Lock... CCampbell
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