Square D™ Panelboard Interior, 3-Phase, Series: NQ Series, 240 VAC/48 VDC, 400 A, 84 Spaces, LA/LH 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 68 in H