Cutler-Hammer Industrial Miniature Circuit Breaker, Type BAB Molded Case, 240 VAC, 20 A, 10 kA Interrupt, Thermal Magnetic/Long Time/Instantaneous Trip, 3 Poles, 3-Phase, Load Lug, 14 to 4 AWG Wire, Bolt-On Mount, 40 deg C, 4 in H x 3.2 in W x 3.6 in D