Siemens 5SU1674-7BK82 SENTRON RCBO 4P 125A 300mA Type B. RCBO, 10 kA, 4P, type B, selective, 300 mA, C-Char, In: 125 A, Un AC: 400 V. It belongs to RCBOs. Recorded manufacturer technical characteristics include Poles: 4P; RCD type: B; Trip curve: C; Rated current: 125 A; Voltage rating: AC 400 V; Residual current: 300 mA; Breaking capacity: 10 kA.