Question

What is the difference between a fuse and MCB ?

Answer 1

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Fuse is an electrical device that self-destructs and stops the current flow in acircuit whenever the current exceeds the predefined value.

MCBs are resettable circuit protection device that, on the occurrence of faults, stops the current flow in a circuit.

Answer 2

Answer:

The only difference between the fuse and MCBs is that fuse are costly and have to be replaced after short circuit.

Though MCBs are costly they don't need to get replaced every now and then.