The Cutler & Hammer BRN120AF is a single-pole combination arc fault circuit breaker. It is rated for twenty Amps and one hundred twenty volts AC. The interrupting rating is ten kAIC at one hundred twenty volts AC. This breaker features a plug-on connection, thermal magnetic protection, and includes a pigtail neutral. It is designed for type BR load centers and accommodates wire sizes from fourteen to eight AWG copper or aluminum.