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17th November 2010, 09:21 PM #1Retirement, here I come.
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Single pahse rewire multi-voltage motor - help needed
Hiya,
I have an SCM FS-350 combination planer-thicknesser that is currently wired for 3-phase. As I don't now have access to 3-phase, I'd like to convert my machine to single phase.
I do not want to, or need to, run a phase changer. My unit is fitted with a 3HP motor which is labeled as v220/240/380/415. Presumably, this means it will run on any of the above voltages when wired appropriately. Can someone out there help me with information or actually do the job for a fee. The Machine is at my temporary factory in Caulfield North, Vic.
Thanks
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17th November 2010, 09:30 PM #2
Those are 3phase voltages.
220 to 240 connected in delta or 380 t0 440 connected in star. So you will need a phase changer or another motor.
Regards,Hugh
Enough is enough, more than enough is too much.
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17th November 2010, 09:38 PM #3Retirement, here I come.
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Thank you for the info.
I can get a single phase metric frame motor to replace the existing. Could I reuse my existing switches?
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17th November 2010, 09:45 PM #4
May be with modification depending on type. It could need a 240 volt coil but on the other hand it may already have 240 volt control or be mechanical without a coil.
Regards,Last edited by A Duke; 17th November 2010 at 09:46 PM. Reason: More info
Hugh
Enough is enough, more than enough is too much.
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17th November 2010, 09:53 PM #5Retirement, here I come.
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Would posting some pics of the switches and the wiring under the switch panel help?
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17th November 2010, 10:01 PM #6
I could probably give some more answers but at the end of the day you will need to get someone to check it out physically and do the job.
Regards,Hugh
Enough is enough, more than enough is too much.
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28th January 2011, 08:02 AM #7Retirement, here I come.
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I ended up replacing the multi-voltage 3-phase motor with a new Royce-Cross REMX 3HP single-phase motor and new overload. All up cost of only $380. Runs smooth and doesn't seem any less powerful under load than the 3-phase. Being cap-start, cap-run, it doesn't dim the lights on startup either. Only issue was the housing ontop of the motor for the wiring and capacitors was significantly bigger than the original. This necessitated using slightly smaller belts to stop that housing fouling the steel frame.
Cheers
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