Siemens 5SV3642-4KK14 Residual Current Circuit Breaker (RCCB), Type B+, Short-time-delayed. residual current operated circuit breaker, 4-pole, type B+, short-time-delayed, In: 25 A, 300 mA, Un AC: 400 V SIGRES: harsh environmental conditions extended test interval. It belongs to RCCBs. Recorded manufacturer technical characteristics include Poles: 4P; RCD type: B; Rated current: 25 A; Voltage rating: AC 400 V SIGRES: harsh environmental conditions extended test interval; Residual current: 300 mA.