Siemens BF120 – 20A GFCI Molded Case Circuit Breaker Fan Favorite

Built for commercial and industrial applications, the Siemens BF120 delivers reliable ground fault circuit interruption. This single-pole, 20-amp breaker operates at 120VAC to provide essential personnel protection in wet or damp locations. Designed with a secure bolt-on mounting style, it installs into Siemens P1, P2, and P3 panelboards. Rated at 10kAIC, the unit features a 5mA Class A trip threshold and is HACR rated. Note that this legacy model is replaced by the newer BF120A version.