The Eaton BRP120AF AFCI Circuit Breaker Combo is a plug-in style circuit breaker designed for interior use. With a maximum amperage of 20A. It features a single pole single throw (SPST) contact configuration and is designed for arc fault circuit interruption (AFCI). The plug-on neutral functionality makes installation easier, and its analog/mechanical control style ensures reliable operation. The Eaton brand is known for quality electrical equipment, making this circuit breaker a reliable choice for any electrical setup.