Siemens B340HH – 40A 3 Pole Molded Case Circuit Breaker Secure Checkout

Built for high-fault commercial applications, the Siemens B340HH is a 3-pole, 40A molded case circuit breaker. It provides reliable thermal-magnetic protection for 240VAC electrical distribution systems. This HBL series bolt-on MCCB is engineered to fit seamlessly into Siemens P1, P2, and P3 panelboards, accepting 8-6 AWG copper wiring. Featuring a robust 65 kAIC interrupting rating at 240V, this breaker safely handles severe fault currents. It is fully HACR rated.