Reply by MrUnix

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Posted on Powermatic 66 5 HP 3 phase

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8246 posts in 3087 days

#1 posted 02-12-2015 03:03 AM

If you don’t have 220V available, then it doesn’t really matter if it’s single or three phase… you can’t run it on 110V. Many people don’t like three phase.. but it has the advantage of a much simpler motor with really only bearings that need maintenance every 10-20 years or so to keep it going. Add a $200+/- VFD, and you get the advantage of soft start and electronic breaking among other things.


PS: After reading your second post, the seller may be correct.. if it’s really a 5HP 3-phase motor and you run it with a static phase converter to make it single phase, that reduces the power by about 1/3, so 3HP would be about right. I’m not real fond of static phase converters due to that loss in power, but many people prefer them because they are usually cheaper than a VFD and way less expensive than a RPC.

-- Brad in FL - In Dog I trust... everything else is questionable

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