Siemens 5SU1844-7WK82 RCBO, 3P+N, Type A, 125 A. RCBO, 10 kA, 3P+N, type A, selective, 1000 mA, C char, In: 125 A, Un AC: 400 V. It belongs to RCBOs. Recorded manufacturer technical characteristics include Poles: 3P+N; RCD type: A; Trip curve: C; Rated current: 125 A; Voltage rating: AC 400 V; Residual current: 1000 mA; Breaking capacity: 10 kA.