Built for commercial and industrial applications, the Siemens BF1B020 delivers reliable overcurrent and personnel protection. This 1-pole, 20A GFCI circuit breaker operates at 120VAC with a 10kAIC rating, ensuring safety in wet or damp locations. It mounts into Siemens P1, P2, and P3 panelboards using a secure bolt-on connection. The unit replaces the legacy BF120A model. Equipped with a thermal-magnetic trip unit, it provides 5mA Class A ground fault detection and is HACR and SWD rated.
Which panelboards are compatible with the Siemens BF1B020 circuit breaker?
The BF1B020 is a bolt-on circuit breaker designed specifically for installation in Siemens P1, P2, and P3 panelboards.
What level of ground fault protection does the BF1B020 provide?
This breaker features a 5mA Class A ground fault circuit interrupter (GFCI). It is designed to provide personnel protection against electrical shock in wet or damp locations.
Does the BF1B020 replace any older Siemens breakers?
Yes, the BF1B020 serves as the direct replacement for the legacy Siemens BF120A 20A GFCI circuit breaker.
How is the neutral connection established on this GFCI breaker?
The BF1B020 utilizes a pigtail neutral wire. This pigtail must be routed and secured to the neutral bus bar in the panelboard to enable proper ground fault detection.
What wire sizes are accepted by the load lugs on the BF1B020?
The load-side lugs are designed to accept 14 to 10 AWG copper (Cu) conductors or 12 to 10 AWG aluminum (Al) conductors.
Is the Siemens BF1B020 suitable for switching lighting loads or HVAC equipment?
Yes, this breaker is SWD (Switching Duty) rated for switching 120VAC fluorescent lighting circuits. It is also HACR rated for use with heating, air conditioning, and refrigeration equipment.
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Review summary
Customers rate this product 5.0 out of 5 based on 17 reviews.