Siemens 5SV3648-6 Residual Current Circuit Breaker (RCCB). Residual current operated circuit breaker, 4-pole, type A, In: 100 A, 300 mA, Un AC: 400 V. It belongs to RCCBs. Recorded manufacturer technical characteristics include Poles: 4P; RCD type: A; Rated current: 1 A; Voltage rating: AC 400 V; Residual current: 300 mA.