New Release Siemens BQ3B05000S01 – 50A 3 Pole Molded Case Circuit Breaker

Designed for commercial and industrial power distribution, this 50-amp Siemens BQ frame breaker provides reliable thermal-magnetic protection. It features a factory-installed 120VAC shunt trip mechanism, allowing facility managers to remotely open the circuit for emergency shutdowns or automated control systems. The bolt-on design installs securely into Siemens P1, P2, and P3 panelboards. Rated for 10kAIC at 240VAC, it delivers standard interrupting capacity for commercial branch circuits.