Square D™ I-Line™ Panelboard Interior, 3-Phase Bottom Type HCP, 600 VAC/250 VDC, 600 A, 60 Hz Frequency, 45 Spaces, 200 kA Short Circuit, FA/FI/HD/JD Breaker, 3-Wire Wiring Configuration, Aluminum/Copper Bus, Panel Mounting, 42 in W x 9-1/2 in D x 59 in H Dimensions