ABB SACE Tmax XT5S 400 A frame moulded-case circuit breaker (MCCB). Rated uninterrupted current In = 320 A, 3-pole, F/F (front, fixed) terminals. Magnetic-only trip unit MA 320 (magnetic instantaneous short-circuit release, for motor protection). Breaking-capacity class S; rated ultimate short-circuit breaking capacity Icu = 50 kA at 415 V AC; rated operational voltage Ue 690 V AC. Conforms to IEC/EN 60947-2. ABB order code 1SDA100434R1, EAN 8056221005111, ABB/SAP material 1200638187, catalogue code 83055697.