If you are in North America, and have 120 VAC to the outlets, what you
call 220 or 230 VAC in your home is actually 208 VAC, unless you
installed some kind of transformer to compensate.

I somehow think that the vendor of the motor made an error. Having 280
VAC sounds to me very unconventional, unless this was some kind of
special installation.

I would buy the motor. If in the even that it needed a higher voltage
because it lacks torque for your application, then there is the
possibility of needed an transformer. This would be expensive.

Some motors have a cover plate inside with strappings, to allow changing
its operating voltage, RPM, and direction of rotation.

If you were to run a synchronous motor on a lower voltage, it will have
lower torque rather than lower RPM, unless the supply voltage was
reduced to below the motor's stable operating threshold. Synchronous
motors are dependent on the AC frequency (Hz) for their RPM.



--

JANA
_____


"Deodiaus" wrote in message
...
I have a broken pool motor [magnetek y56y] which will cost a bundle to
fix
or repair.
While doing a search on the web, I found the same model (really cheap)
but
wired for 280V, instead of the 230 V load that my wiring is supplies.
Now, I was thinking of buying the cheap 280V model and installing it
instead. Aside from rotating at a different speed and
maybe some power inefficiencies, are there any other drawbacks of
using the 280V model
instead?