Square D™ I-Line™ Panelboard Interior, 3-Phase Bottom Type HCP, 600 VAC/250 VDC, 800 A, 60 Hz Frequency, 63 Spaces, 200 kA Short Circuit, QJ Breaker, 3-Wire Wiring Configuration, Copper Bus, Panel Mounting, NEMA 1 Enclosure, Aluminum/Copper Housing Material, 42 in W x 9-1/2 in D x 68 in H Dimensions