The Siemens BAF B120AF Arc Fault AFCI Circuit Breaker is a single-pole, 20-amp, 120-volt protection device designed to detect arc faults on residential circuits. As part of the Siemens BAF family, this AFCI breaker provides arc-fault protection for a 120V branch circuit, combining arc-fault sensing with overcurrent protection. It is used to safeguard home electrical wiring on 120V circuits, delivering reliable protection where AFCI functionality is required.
