A circuit breaker is an important electrical device that protects against overload or short circuit by disconnecting the electrical circuit. It automatically shuts down the circuit when it detects abnormal current flow or excessive temperature, thus ensuring the safety of electrical equipment and people. Circuit breakers are mainly of two types: mini-circuit breaker (MCB) and power circuit breaker. MCB is generally used in homes and small offices, while a power circuit breaker is used in large industrial or power grids.
A circuit breaker is rechargeable, meaning it can be reset manually or automatically after a trip, which is a step up from a fuse. A fuse has to be replaced once it burns out, but a circuit breaker is reusable. It is an essential part of an electrical safety system and is essential for protection against electrical faults. In modern electrical systems, the use of circuit breakers is essential, which prevent accidents, fires, and damage to equipment. Therefore, a circuit breaker should be installed in every home, office, and industrial area.