Square D™ Panelboard Interior, 3-Phase, Series: NQ Series, 240 VAC/48 VDC, 225 A, 54 Spaces, QHB/QOB-VH/QOB Breaker, 4-Wire Wiring Configuration, Copper Bus, Panel Mount, NEMA 1/3R/5/12, Copper Housing, 20 in W x 38 in H