Question

How is MCB superior to fuse wire​

Answer 1

Answer:

MCB has several advantages over fuse: MCB is more sensitive to current than fuse. It detects any abnormality in the current flow and automatically switches off the electrical circuit. In case of MCB, the faulty zone of electrical circuit can be easily identified.

Explanation:

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Answer 2

Answer:

M.C.B. automatically falls down and switch off the circuit in very short time, when excessive flow of electric current in a circuit.It is raised up after the fault is rectified. M.C.B doesn't need to be replaced everytime when high current passes through it but fuse needs to be replaced because it melts and breaks.