Siemens P1A18MC250AT Load Center Panelboard Assembly

Siemens NSB P1A18MC250AT Load Center Panelboard Assembly is a P1 Panelboard from Siemens, designed for the UPB program and used as a centralized distribution point in electrical systems. It provides 18 circuit spaces and carries a 250 A main rating, making it suitable for mid-size residential or light commercial distribution needs. The model is listed in Siemens’ P1 Panelboards (UPB) replacement parts guide as P1A18MC250AT, confirming its place in the 18-space, 250 A family within the NSB Load Centers and Panelboards lineup. This assembly-ready panelboard is intended for use where a compact, multi-circuit load center is required to organize branch circuits within a single enclosure.