What is difference between MCB,MCCB,ELCB and RCCB?
Brief description and why RCCB is costly?

Answer Posted / dixit

mcb
is a circuit protecting device which has a definite current rating which protects selective rating of the MCB which we choose.

MCCB
is also a circuit protective device we can change minimum to maxium value of current rating which can select .

ELCB

which sens the leakage current if any in the circuit,and trip the circuit immediatly

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