What input voltages are supported by the PipeWorx 400?
The PipeWorx 400 is available in 230/460V and 575V three-phase models. For the 230/460V model, the input voltage selection can be changed internally using the reconnection card PC10. Always verify the available supply voltage at the site before connecting the unit. (Page 11)
From the official Miller PipeWorx 400 Welding Machine manual, page 11
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