Square D™ E-FRAME Miniature Circuit Breaker, Type EGB Molded Case Standard, 277/480Y VAC, 100 A, 50/60 Hz Frequency, 35 kA Interrupt, E Frame, Thermal Magnetic Trip, 1000 to 2300 A Trip, 3 Pole, 3 ph, Lug Connection, 12 to 2/14 to 2/0 AWG Wire, Bolt-On Mounting, 40 deg C, 4.05 in L x 2.94 in W x 5.66 in H Dimensions