Question

What is the fault-current circuit breaker? Describe its function.

Answer 1

A circuit breaker is an electrical switch designed to protect an electrical circuit from damage caused by an overcurrent or short circuit.

Step-by-step explanation:

Its basic function is to interrupt current flow after protective relays detect a fault.

Answer 2

A circuit breaker is a switching mechanism that interrupts the current that is irregular or fault. It is a mechanical system that interferes with high magnitude (fault) current flow and also performs a transfer operation. Hope this helps :)

Step-by-step explanation: