Thermal Magnetic; 1 Pole; 120 Vac; 20 Ampere; Interrupting Rating 10 Kiloampere; Box Terminal; Wire Size 14 To 8 Awg (copper), 12 To 8 Awg (aluminum); Application Heating, Air Conditioning And Refrigeration; With 120 Vac Shunt Trip; 1 Inch Bolt On Mounting; Size 1 Inch W X 2 3/8 Inch D X 3 9/32 Inch H; Approval Ul; Used On Al/aq/alc/aqc/spectra Series Panelboard; Thqb Model