Square D™ E-FRAME Miniature Circuit Breaker, Type EGB Molded Case Standard, 277/480Y VAC, 30 A, 50/60 Hz Frequency, 35 kA Interrupt, E Frame, Thermal Magnetic Trip, 270 to 875 A Trip, 2 Pole, 1 ph, Lug Connection, 12 to 6 AWG, 14 to 6 AWG Wire, Bolt-On Mounting, 40 deg C, 4.05 in L x 1.96 in W x 5.66 in H Dimensions