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Anonymous Poster

AC motors

10/03/2007 10:50 AM

How do you reverse the polarity of a 3 speed fan motor ?

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Guru

Join Date: Oct 2006
Location: New Jersey U.S.A.
Posts: 1114
Good Answers: 38
#1

Re: AC motors

10/03/2007 12:14 PM

Pull out the plug and turn it around!

Look here. There are several ways and means.

http://www.electrical-contractor.net/forums/ubbthreads.php/ubb/showflat/Number/148648/page/4

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Anonymous Poster
#2
In reply to #1

Re: AC motors

10/04/2007 12:00 AM

Thanks charsley99 for leading me to a good link.

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Guru

Join Date: Aug 2007
Posts: 548
#3

Re: AC motors

10/04/2007 3:39 PM

reverse any two wire connections , motor rotates in reverse.

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Associate

Join Date: Jul 2006
Location: central virginis , usa
Posts: 36
#4

Re: AC motors

10/05/2007 9:49 PM

hi there ;

a single phase motor will still rotate in the direction regardsless

of polarity / other step would need to be taken to reverse /

a three phase motor , reverse two of the power leads /

the motor will run in oppsite direction /


klystron

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Anonymous Poster (1); charsley99 (1); KLYSTRON (1); vikas (1)

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