Standard continuous current rated Fixed long time and fixed instantaneous trip function 8 to 3 AWG copper aluminum wire range Specifications Amperage Rating 50 A Dimensions 2-3/8 in L x 3 in W x 3-9/32 in H Frame THQB Interrupt Rating 10 kA Mounting Type Bolted-On Number of Poles 3 Phase 1 Temperature Rating 60 to 75 deg C Trip Type Thermal Magnetic Voltage Rating 120/240 V AC Wire Size 8 to 3 AWG