Technical Parameters General Product Type: Auxiliary auxiliary contact block for MCCBs Model / Accessory: AUX‑C 3Q1SY‑Cabled 250 VAC/DC (T1‑T3) Suitable For: ABB SACE Tmax T series circuit breakers — frames T1, T2, T3 Mounting: Side/slot accessory that installs in the breaker’s accessory slot Connection: Pre‑wired cable for remote signaling Contact Configuration Changeover Contacts (SPDT): 3 changeover (3Q) for breaker position feedback (open/closed) Trip Indication Contact: 1 changeover contact (1SY) dedicated for signaling a trip (release) event Total Contacts: 4 changeover contacts Electrical Ratings Rated Operational Voltage: up to 250 V AC/DC Utilization Categories: Suitable for low‑power control and signaling circuits AC‑15 up to ~4 A @ 250 V AC AC‑12 up to ~6 A @ 250 V AC DC‑12 up to ~0.3 A @ 250 V DC DC‑14 up to ~0.03 A @ 250 V DC (Typical auxiliary contact ratings for 250 V AC/DC control signaling) ABB Electrification Mechanical Terminal Wiring: Pre‑wired with cable leads for easy panel connection Contact Type: Changeover (single‑pole double‑throw) contacts Mechanical Life: High cycle life suitable for frequent status switching Mounting Position: Installed in the accessory slot of compatible breakers Environmental Operating Temperature: Industrial ambient range suitable for electrical panels Protection Rating: IP20 at connections when installed (panel dependent) Pollution Degree: Industrial environment Applications Remote indication of breaker ON / OFF status Trip (fault) signaling to PLCs, SCADA, alarms, or control circuits Integration in motor control centers and distribution panels Status feedback for automation and safety interlocks