An RCCB (residual current circuit breaker) switches off the circuit when there is a difference between the currents in the live and neutral wires of the appliance.

If they suspect that their residual current circuit breaker is faulty, they should engage a licensed electrical worker to conduct further checks, and have it replaced, said the authorities.

Easy9 Residual Current Circuit Breaker - 2P - 63 A - 30 mA - A type - 230 V This product is a Easy9 residual current circuit breaker (RCCB). It is a 2P circuit breaker with 63A In rated current, a ...

The residual-current circuit breaker in Figure 1 continuously monitors the supply lines for any leakage current and immediately disconnects the supply if necessary. Load-supply wires, both live and ...