Siemens BQ1B040 – 40A 1 Pole Molded Case Circuit Breaker Limited Offer

Built for reliable power distribution, the Siemens BQ1B040 is a 1-pole, 40A molded case circuit breaker. It provides essential overcurrent protection for commercial branch circuits. Designed for Siemens infrastructure, this unit mounts into P1, P2, and P3 panelboards. The bolt-on connection offers superior mechanical stability compared to plug-on alternatives in heavy-use environments. With a 10kAIC rating at 120VAC, this breaker meets UL 489 standards. It is HACR rated for HVAC applications.