Thermal Magnetic; 1 Pole; 120 Vac At 50/60 Hz (Ul/Csa); 20 Ampere; Interrupting Rating 10 Kiloampere; 6 Milliampere Trip Sensitivity; Screw Terminal; Wire Size 14 To 10 Awg (Aluminum/Copper); Plug On Mounting; Size 1 Inch W X 2.98 Inch D X 3.13 Inch H