On 11/03/2015 08:41 AM, Todd Zuercher wrote: > I recently purchased an inexpensive router spindle off of ebay. It is rated > at 6kw and 380v 3ph. The old spindle I'm replacing was dual voltage and could > be wired Y or delta, for 200-240 or 380-460 (7HP). Stupid me I didn't think > to check the old VFD and it is only capible of low voltage (running 208 3ph). > > So my question, what are the repercussions of feeding this motor with only > 208 3ph? > > If the only problem is a loss of a percentage of power, but not more than > half, I can live with that. (It cost less than 1/3 the price of the original.) > I have been running a 480 V motor at 240 V for a while now on a manual mill. At half the voltage you get one fourth the power.
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