Seasonal Sale Siemens QJ23B150Y – 150A 3 Pole Molded Case Circuit Breaker

Built for specialized industrial power systems, the Siemens QJ23B150Y is a 150-amp molded case circuit breaker. It utilizes a fixed thermal-magnetic trip mechanism to deliver reliable long-time and instantaneous (LI) overcurrent protection. Designed with a bolt-on mounting style, this three-pole device integrates seamlessly into Siemens switchboards and panelboards. The breaker provides a 10kA interrupting rating at 240VAC and includes unique 400Hz calibration for high-frequency environments.