Siemens BQ3B040 – 40A 3 Pole Molded Case Circuit Breaker Hot Picks

Engineered for commercial and industrial power distribution, the Siemens BQ3B040 provides thermal-magnetic protection for 240VAC systems. This 3-pole, 40-amp breaker ensures reliable performance in demanding environments requiring standard interrupting capacities. It mounts into Siemens P1, P2, and P3 panelboards using a secure bolt-on connection. The lug terminal design accommodates 14-6 AWG copper or 12-6 AWG aluminum wire for flexible installation.