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Anonymous Poster

circuit breaker

10/18/2008 11:46 AM

please can u explain what is AT and AF of circuit breaker? like for example if the MCCB specs on the motor protection design circuit indicating 150AF/200AT what does it means?
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Kilgore Trout
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#1

Re: circuit breaker

10/18/2008 12:36 PM

Frame size and Trip size---I think you have them backwards--200 should be the frame rating and 150 the trip rating(possibly).

www.eaton.com/ecm/idcplg?IdcService=GET_FILE&dID=94702

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abmar
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Posts: 12
#2
In reply to #1

Re: circuit breaker

10/18/2008 2:12 PM

another one? the protection for submersible pump is different with the ordinary motor application? the way of calculation is the same for ordinary motor application?
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Previous in Forum: calculation for earthing cable size for generator   Next in Forum: how can i calcute the cable size in different rating(3ph or 1ph)
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