Siemens 5SU1336-6FP20 RCBO 3P 20A Type A B-Char. RCBO, 6 kA, 3P Type A, 30 mA, B-Char, In: 20A Un: 400V Energy limiting class 1: check for normative use limitations. It belongs to RCBOs. Recorded manufacturer technical characteristics include Poles: 3P; RCD type: A; Trip curve: B; Rated current: 20 A; Residual current: 30 mA; Breaking capacity: 6 kA.