9 in, Min. Circuit Breaker, Amps 20 A, AC Voltage Rating 120V AC, Circuit Breaker Type Arc & Ground Fault Circuit Interrupter with Plug-On Neutral, Number of Poles 1, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load Center Series BR, Phase Single, Series BR, Max.