Brand Name: Square D *Sub Brand: QO *Circuit Protection Type: Single Pole *Amps: 20 amps *Product Type: Circuit Breaker*Packaging Type: Clamshell *Mounting Type: Plug-In *CSA Listed: Yes *Product Series: QO *UL Listed: Yes *Length: 11/16 in. *Depth: 3-3/16 in. *Volts: 120/240 volts *Number of Poles: 1 *Width: 3 in. *Discovery Regional