Answer Posted / soumya chatterjee

First of all if you want to mean MCCB please read Moulded
Case Circuit Breaker not Motor Control Circuit Breaker.
MCCBs are superior than MCB by virtue of its higher short
time current withstand capacity.

what is ATS & RING MAIN UNIT in Distribution System?And its Function.

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If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?

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Pl. share your experience about industrial-electronics repair of machine tool.

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Any one who apply for Ferro Scrap Nigam Limited cn join with me at rajuhalder@indiatimes.com or 09669717028

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In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???

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