Siemens HQJ23B175 – 175A 3 Pole Molded Case Circuit Breaker Instant Buy

Engineered for commercial and industrial distribution, this 175A thermal-magnetic breaker provides reliable overload and short-circuit protection. It features a fixed trip unit and reverse feed capabilities. The bolt-on design installs seamlessly into Siemens P1, P2, and P3 panelboards, as well as compatible switchboards and motor control centers. Note that this legacy QJ frame model has been superseded by the HQR23B175.