Bolt On Mounting Frame Type: THQB Dimensions: 4 Inch Wide x 3.28 Inch High x 2.375 Inch Deep Weight: 1lbs. Wire Size: 6 To 1/0 AWG (Copper), 4 To 1/0 AWG (Aluminum) THQB, 100A, 240V AC, 3 Pole Interrupting Rating at 240 Volts AC: 10,000 Common Trip, with 120 Volt AC Shunt Trip