... . is producing miniature circuit breaker (MCB), leakage circuit breaker, residual current circuit breaker (RCCB), residual current circuit breaker with overcurrent protection (RCBO), circuit breaker busbar, molded case circuit breaker (MCCB), distribution box ... .5In~In Residual current off-time ≤0.3s Type A, AC Ultimate short-circuit breaking capacity (Inc) 6000A Endurance ≥4000 Terminal protection ...