Siemens 5SV3344-3 Residual Current Operated Circuit Breaker. Residual current operated circuit breaker, 4-pole, type F, short-time delayed, In: 40 A, 30 mA, Un AC: 400 V. It belongs to RCCBs. Recorded manufacturer technical characteristics include Delay: Short-time delayed; Poles: 4P; RCD type: F; Rated current: 4 A; Voltage rating: AC 400 V; Residual current: 30 mA.