Square D™ PowerPact™ Molded Case Circuit Breaker, Type LJA Solid State, 600 VAC, 600 A, 50/60 Hz Frequency, 25 kA Interrupt, L Frame, Electronic Standard Micrologic 3.3 LI Trip, 600 A Trip, 3 Pole, 3 ph, I-Line™ Lug Connection, (2) 3/0 AWG to 500 kcmil Wire, Plug-On Mounting, -13 to 158 deg F, 5.51 in W x 4.33 in D x 13.38 in H Dimensions