Bolt On Mounting / Frame Type: THHQB / Dimensions: 3 Inch Wide x 3.28 Inch High x 2.375 Inch Deep / Weight: 1lbs. / Wire Size: 8 TO 3 AWG (Copper/Aluminum) / THHQB, 45A, 240V AC, 3 Pole / Interrupting Rating at 240 Volts AC: 22,000 / Common Trip