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blessingkay
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Join Date: Mar 2011
Posts: 13

electrical

03/30/2011 6:18 AM

what are different between contactor and breaker
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KJK/USA
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United States - Member - Member Engineering Fields - Electrical Engineering - Electrical Construction

Join Date: Apr 2010
Location: Mid Western USA - The Corn Belt
Posts: 1439
Good Answers: 58
#2

Re: electrical

03/30/2011 8:26 AM

A breaker protects the load and supply conductors i.e. over current protection.

A contactor turns a load on and off by means of a remote switch which energizes/de-energizes the coil on the contactor which pulls in/drops out the contactor contacts.

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JRaef
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United States - Member - New Member Engineering Fields - Power Engineering - New Member

Join Date: Sep 2006
Location: California, USA, where the Godless live next door to God.
Posts: 4665
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#3

Re: electrical

03/30/2011 8:33 AM

Stop posting your homework questions here.

http://cr4.globalspec.com/thread/67450/power

http://cr4.globalspec.com/thread/67449/conversion

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