Square D™ Panelboard Interior, 3-Phase, Series: NQ Series, 240 VAC/48 VDC, 225 A, 72 Spaces, QB/QD/QJ/QL Breaker, 4-Wire Wiring Configuration, Copper Bus, Panel Mount, NEMA 3R/5/12, Copper Housing, 20 in W x 6-1/2 in D x 44 in H