TL;DR: I'm looking for a power supply that has standard US 120VAC input and gives variable voltage 3-phase output (say, from 200V to 480V).
Hi all, I'm soon going to be picking up a large auction lot from a closed-down industrial facility and there's lots of mid-high voltage 3-phase equipment which I would like to test so I can sell it as 'used/tested powers on' instead of having to sell it for 'parts / not working' status.
I don't have 3-phase service and there's no way I could get it - my power is all 120VAC US standard - I can access 240V from the plug my dryer uses if need be, though I would prefer not to.
I'm not expecting to find anything that can supply much amperage, and I'm not going to worry about load-testing anything that has a high-amperage draw, but I would like to be able to power-on test equipment like 400V 3-phase to 24VDC power supplies and the like, to verify they are functional before resale.
I'm having a hell of a time finding anything like this, because when I try searching for any keyword combination including 'power supply' and '3 phase' I get power supplies that use 3 phase as the input, not the output - which makes sense as that would be the far more common use-case.
Any ideas?