ABB T7MS1000 Three-Phase Circuit Breaker

ABB SACE Tmax T7MS 1000A is a three-pole, motorized molded‑case circuit breaker with an AC‑only electronic trip unit (PR332/P‑LI) designed for demanding industrial applications that require reliable protection of large feeders and motor circuits. In the 1000 A frame, it delivers a rated short‑circuit interrupting capacity (Icu) of 50 kA at 380 V and uses front‑terminal wiring for straightforward installation and servicing, reducing on-site complexity. The device carries part number 1SDA062757R1 and is part of ABB’s Tmax Tmax family, embodying a compact footprint and motorized actuation to enable precise control and remote operation where needed. This T7MS model is specifically configured for 380 V systems with AC‑only trip logic, offering dependable overload and short‑circuit protection in challenging industrial environments.