Cutler-Hammer Circuit Breaker, 120/240 VAC, 20 A, 1 ph, 1 Pole, 10 kA Interrupt, Magnetic, Thermal Actuator, 14 to 8, 14 to 8 AWG Wire, Bolt-On, Lug Terminal, Dimensions: 5 in L x 3 in W x 1 in H, Includes: Captive Line Screw Specifications Ampere Rating (A) 20 Interupting Rating 10000A VAC (V) 120 Interupting Rating 10000A Temperature Rating 40° Aprovals CSA certified Mounting Type Bolt On Number of Poles 1-Pole Type BQL Wire Size #14 to #4 AWG(Al/Cu) Switching Duty Rated Yes