Square D™ RKF36200U43A, Circuit Breaker, 600 VAC, 2000 A, 65 kA Interrupt, R Frame, Electronic Ammeter Micrologic 5.0 A LSI Trip, 2000 A Trip, 3 Pole, Busbar Line/Load Connection, 1/0 to 750 kcmil Wire, Unit Mounting, 16.24 in H x 16.53 in W x 14.49 in D Dimensions