Square D™ QO™ Main Circuit Breaker Load Center, Convertible Enclosed, 120/240 VAC, 200 A, 2 Pole, 22 kA Interrupt, Bolt-On Breaker Mounting, 4 AWG to 300 kcmil Wire, Bolt-On Mounting, NEMA 3R Enclosure, 8.68 in W x 24.55 in H Dimensions