ABB SACE Tmax XT7H

The SACE Tmax XT7H is a high-performance molded case circuit breaker from ABB Tmax XT series, H stands for high breaking capacity, with rated current range from 630A up to 1250A, rated operational voltage up to 690V AC. This Tmax XT7H supports fixed and withdrawable mounting styles, available in 3-pole or 4-pole versions, equipped with Ekip electronic trip units including Ekip Dip, Ekip Touch and Ekip Hi-Touch, covering LSI, LSIG protection functions for overload, short-circuit and earth fault protection. The Tmax XT7H features high Icu breaking capacity, suitable for low voltage main incoming, bus tie and heavy feeder circuits.

This Tmax XT7H integrates power measurement, event logging and fault recording functions. The touch-screen Ekip trip units support local parameter setting, data viewing and diagnostic check. Optional communication modules enable Modbus, Profibus and IEC 61850 connection to SCADA and energy management systems. It can be fitted with spring charging motor operator, auxiliary contacts and shunt trip accessories for remote electrical closing and tripping. It complies with IEC 60947-2 and UL certification standards.

The Tmax XT7H is widely used in industrial substations, power plants, data centers and commercial low voltage distribution panels. The Tmax XT series is the current mainstream ABB molded case breaker platform. Many electrical contractors and maintenance teams stock the Tmax XT7H as spare breaker for panel upgrade and emergency replacement of existing distribution circuits.