ABB SACE TMAX T1 UEP 40S circuit breaker, part number 134439, is a protective device in ABB’s SACE TMAX T1 family. It is designed to interrupt fault currents and protect electrical circuits in distribution panels and related industrial electrical installations. The designation TMAX T1 UEP 40S places it within ABB’s TMAX T1 lineup for robust, factory-fit protection in commercial and industrial environments.
