... RCD, RESIDUAL CURRENT CIRCUIT BREAKER (RCCB) Shanghai Total Co., Ltd. is producing miniature circuit breaker (MCB), leakage circuit breaker, residual current circuit breaker (RCCB), residual current circuit ... bell transformer, surge protector, surge protective device, modular signal lamp, weatherproof isolating switch, current transformerRESIDUAL CURRENT CIRCUIT BREAKER (RCCB)TypeJVL22-63 I (DZL176 ...