Eaton 1-Pole type BR combination arc fault circuit breaker has a current rating of 20-Amps, voltage rating of 120-Volts AC and interrupt rating of 10-Kilo-Amps. It has plug-on neutral terminals and 14-4-AWG copper/aluminum conductors. This plug-on mountable circuit breaker measures 6-Inch x 3-1/2-Inch x 1-1/4-Inch. It is suitable for use on type BR load centers. 20 Amp, 1-Pole, Type BR Combination Fireguard/Arc Fault Circuit Interrupter, 10 kAIC, 120/240 VAC. Only use with Plug On Neutral Panels