Engineered for commercial and industrial applications, the Siemens BF220 delivers reliable 5mA Class A ground fault protection. This 2-pole, 20-amp breaker features a bolt-on mounting style designed specifically for Siemens P1, P2, and P3 panelboards. As an older generation GFCI, it has been superseded by the self-testing BF220A model but remains a viable exact-match replacement for existing installations requiring a 10kAIC interrupting rating.
Which panelboards accept the Siemens BF220 circuit breaker?
The BF220 is a bolt-on breaker engineered specifically for installation in Siemens P1, P2, and P3 panelboards.
What class of ground fault protection does the BF220 offer?
It provides Class A ground fault protection, meaning it is calibrated to trip at a 5mA threshold to protect personnel from severe electrical shock.
How does the BF220 connect to the panelboard neutral?
This GFCI breaker utilizes a pigtail neutral wire, which must be routed and secured to the panelboard neutral bus to enable the ground fault sensing circuitry.
What type of terminals are on the BF220 and what wire gauges do they accept?
The breaker is equipped with standard load lugs that accommodate 14-10 AWG copper or 12-10 AWG aluminum conductors.
Can I use the BF220A to replace a BF220?
Yes. The BF220 is an older generation GFCI, and the BF220A is its direct, exact-match replacement. The BF220A adds a self-test feature to comply with updated UL standards.
What does the LIG trip function code mean on the BF220?
The LIG designation indicates that this thermal-magnetic breaker provides Long-Time (thermal overload), Instantaneous (magnetic short-circuit), and Ground-Fault protection.
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Customers rate this product 5.0 out of 5 based on 1 review.