What Is Function Of Circuit Breaker

A circuit breaker is a switch that is used to protect an electrical circuit from damage caused by an overload or short circuit. When a circuit breaker is activated, it opens the circuit, which stops the flow of electricity. Circuit breakers are typically installed in the main electrical panel of a building and are used to protect the entire electrical system. They can also be installed in individual circuits to protect specific appliances or devices.

Circuit breakers are classified by their interrupting rating, which is the maximum amount of current that the breaker can safely interrupt. The interrupting rating is typically expressed in amps. Circuit breakers are also rated for the type of fault they are designed to protect against. There are two types of faults: overload faults and short circuit faults.

An overload fault occurs when the current in a circuit exceeds the rated capacity of the circuit. This can be caused by a number of factors, such as too many appliances being plugged into a single circuit or a malfunctioning appliance. An overload fault can cause the wires in a circuit to overheat, which can damage the wires or start a fire.

A short circuit fault occurs when two conductors in a circuit come into contact with each other. This can be caused by a damaged wire or a loose connection. A short circuit fault can cause the current in a circuit to increase dramatically, which can damage the wires in the circuit or start a fire.

Circuit breakers are designed to protect against both overload faults and short circuit faults. When a fault occurs, the circuit breaker will open the circuit, which stops the flow of electricity and prevents damage to the wires or appliances in the circuit.

Circuit breakers are an important safety device that can help to prevent electrical fires and other damage. They are a simple and effective way to protect your home and your family from the dangers of electricity.


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