GE Lighting Panel Circuit Breaker, Series: Q-Line, 277/480 V AC, 100 A, 14 kA Interrupt, TEY Frame, Thermal Magnetic Trip, 3 Pole, 3 ph, Load Lug Connection, 14 to 8 AWG, 12 to 8 AWG Wire, Bolted-On Mounting, 40 deg C, 5-1/4 in H x 3 in W x 3-1/16 in D Dimensions