Miniature Circuit Breaker

What is Miniature Circuit Breaker?

MCB (Miniature Circuit Breaker ( BS 3871 ) is a mechanical device operate automatic operation designed to connect and disconnect the electrical circuit in the ordinary and extraordinary situation.Suitable for AC and DC voltage.It mean main function is to protected equipment or circuit from overload and short circuit.

The size of MCB is small and usually use for household appliance and domestic.Average fix ampere rating from 6 Amp up to 125 Amp. It can be reset back to the normal condition after trip but cannot adjusted ampere rating.It can be found for single phase 1ø and three phase 3ø voltage power supply.

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What is a FUSE?

Fuse is a basic device used to break the circuit when there is a consists of metal wire fuse element which is connected by two terminal.fuse element will be blow if the current through it exceeds the limit was set.

Its use is widespread due to the efficiency and durability.Also, if the price is cheap compared with other protective device.we can find a variety of fuse which is used widely different in appearance and appropriate use of an electrical circuit.

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