ANSWERS: 1
  • A miniature circuit breaker, often abbreviated MCB, is a device that protects electrical circuits.

    Function

    MCBs prevent too much current from flowing through electrical wiring by tripping, which means that a breaker that was "off" will flip to "on" and stop the current from flowing.

    Significance

    Miniature circuit breakers are a type of safety device. Fires can easily start and electronic devices can get permanently destroyed from overloaded circuits.

    Types

    MCBs are available in different ratings of amperes, or amps, but never exceed 100.

    Uses

    Typical MCBs have amp ratings around 15 or 20 and are often used for distributing current from larger circuit breakers.

    Safety

    Your electrician will ensure that you have the best type of circuit breaker installed in each position in your house.

    Source:

    What is a Circuit Breaker?

    Electronic Glossary

    Breakers and Ground Wires

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