how to differentiate a mpcb,mcb with contactors via working principle Explai

how to differentiate a mpcb,mcb with contactors via working
principle
Explain the working principle of MPCB,MCB & Contactors

Question Posted / dinesh

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how to differentiate a mpcb,mcb with contactors via working principle Explain the working princi..

Answer / chandraprakash gahelot

MPCB----motor protectton ckt breaker for carring the high current//more than 100amp
MCB-----molded ckt breaker for carring the low current below 100amp
contactors---for is depend on it...but its opreted on 110-230v or 24vdc.

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