Chint Circuit Breakers Circuit breaker 627131 - Chint 179653, The Chint 179653 circuit breaker is a robust unit designed for up to 6kA interrupting capacity. This 2-pin, 6 amp circuit breaker supports voltage ratings of both 240V and 415V. It is typically used in residential or commercial electrical systems for overcurrent protection. Chint 179653 NB1-63 Circuit Breaker 2P 6A 6kA 240V/415V Short-Circuit Protection