Cutler-Hammer Molded Case Circuit Breaker, Type QBH Classic, 120/240 VAC, 30 A, 10 kA at 240 VAC Interrupt, 2 Poles, 1-Phase, Bolt-On, 10 to 2 AWG Cu/10 to 1 AWG Al Wire, NEMA AB1-1993, 60 to 75 deg C, 3-1/2 in L x 3 in W x 1-1/2 in H Specifications Connection Type : Bolt-On Dimensions : 3-1/2 in L x 3 in W x 1-1/2 in H Enclosure Type : NEMA AB1-1993 Phase : 1-Phase Temperature Rating : 60 to 75 deg C Type : Type QBH Classic Wire Size : 10 to 2 AWG Cu/10 to 1 AWG Al Voltage Rating : 120/240 VAC Amperage Rating : 30 A Interrupt Rating : 10 kA at 240 VAC Number of Poles : 2