It's a 1 phase and was attached to 1 phase at the place it was bought, side plate says 1 phase 60hz from what I made out. I think factory they came with a 220 50amp plug but I wasn't sure on the difference between the 50hz and 60hz versions. Thanks for the link on the manual, I'll be sure to check i...

I have a beginner question, I bought a used idealarc 250 thats in almost new condition for a steal price from a prison shop and Im looking to get it running. From what I can see it was hardwired in their setup, and Im looking to get it back to plug in for 220 so I can run it at my place for repairs ...