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230v single phase

  1. Commercial Electrical Forum
    I need to install a 230V, 30A, Single Phase, pressure washer. My available power is 480V / 277V. I thought I'd be able to do it as per figure 1 of the attachment, which is phase 1 and N into a buck-boost. The transformer representative told me I'd have to do it as per figure 2. which is phase 1...