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ikram shehzad Associate Join Date: Jun 2011 Location: PAKISTAN Posts: 26	1 Phase Miss 06/20/2011 12:19 PM
	Hi dear,s, please tell me that for example 1 phase miss of an E.L.C.B and load is divided on 2 phases then what will be in circuit. is it flashed after some time. or reduce it,s efficeincy. Thank,s. __________________ Ikram Shehzad
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PWSlack Guru Join Date: Jan 2007 Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on. Posts: 32175 Good Answers: 839	#1 Re: 1 Phase Miss 06/21/2011 3:49 AM
	A residual current circuit breaker looks for the instantaneous vector sum of all the currents flowing through it. If one phase is missing, and the vector sum of the remaining phases and neutral do not exceed its trip setting, the device will not operate. If they do, it will. __________________ "Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
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