Square D™ Homeline™ Miniature Circuit Breaker, Class A, 120 VAC, 20 A, 50/60 Hz, 10 kA Interrupt, Thermal Magnetic Trip, 1 Pole, Terminal Screw, 14 to 8 AWG, 14 to 10 AWG Wire, NEMA 1/2, Plug-On Mount, 104 deg F, 2.98 in L x 1 in W x 3.13 in H