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In a Circuit how the MCB and Fuse ratings are calculated.
And shall the fuse follws the MCB or it is otherwise?

Answer Posted / abdulsubur

IT CAN BE CALCULATED BY THIS FORMULA ALSO P=V I COS PHI

I=P\VCOSPHI FOR SINGLE PAHSE
I=P\1.732*VCOSPHI

Is This Answer Correct ?    53 Yes 20 No



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