This interior main lugs panelboard is one of the Schneider Electric™ NQ lighting and appliance panelboards. It is a one phase, three wire panelboard with tin plated aluminum lugs suitable for aluminum or copper. The phase and the neutral lugs accept 1-#6 AWG to 350kcmil conductor. It has a voltage rating of 240VAC or 48VDC and is rated for 225A line current and 10kA, 22kA, and 65kA interrupted current. It has 72 spaces for bolt on (QOB or QHB) circuit breakers to provide protection for branch circuits. It is compliant with CSA and UL standards.