Place Order Siemens QR23B150 – 150A 3 Pole Molded Case Circuit Breaker

Engineered for commercial power distribution, the Siemens QR23B150 is a 3-pole, 150A molded case circuit breaker. It provides reliable thermal-magnetic protection for demanding electrical systems. This bolt-on MCCB mounts into Siemens P1, P2, and P3 panelboards, switchboards, and meter centers. It serves as a drop-in replacement for the legacy QJ23B150. Rated at 10kAIC at 240VAC, it features fixed long-time and instantaneous (LI) trip functions and is HACR rated.