Fan Favorite Siemens B120H – 20A 1 Pole Miniature Circuit Breaker

Part of the B frame family, this 20A miniature circuit breaker provides robust thermal-magnetic protection for commercial and industrial electrical systems. It bolts firmly into Siemens P1, P2, and P3 panelboards, ensuring a secure connection for demanding environments. Featuring a 22kAIC interrupt rating at 120/240V, this unit is both HACR and SWD rated for versatile switching duty applications.