ABB SACE Tmax XT4X 160 A frame moulded-case circuit breaker (MCCB). Rated uninterrupted current In = 52 A, 3-pole, F/F (front, fixed) terminals. Magnetic-only trip unit MA 52 Im=260 (magnetic instantaneous short-circuit release, for motor protection). Breaking-capacity class X; rated ultimate short-circuit breaking capacity Icu = 200 kA at 415 V AC; rated operational voltage Ue 690 V AC. Conforms to IEC/EN 60947-2. ABB order code 1SDA107709R1, EAN 8015644103767, ABB/SAP material 1200638063, catalogue code 83053801.