ABB S401-B4 miniature circuit breaker (MCB) from the Smissline T (touch-proof) range. 1P, rated current In = 4 A, Type B tripping characteristic. Rated breaking capacity Icn = 10 kA (IEC 60898-1); rated operational voltage Ue 230/400 V AC. DIN-rail modular device for overload and short-circuit protection of cables and equipment. Conforms to IEC 60898-1. ABB order code 2CCS571001R0045, EAN 7612270101214, ABB/SAP material 1000201404, catalogue code 81029792.