Siemens 5SV3614-8 SENTRON Residual Current Circuit Breaker. Residual current operated circuit breaker, 2-pole, type A, selective, In: 40 A, 300 mA, Un AC: 230 V. It belongs to RCCBs. Recorded manufacturer technical characteristics include Poles: 2P; RCD type: A; Rated current: 4 A; Voltage rating: AC 230 V; Residual current: 300 mA.