P1E42MC250C Panelboard Interior – Electrical Panelboard Solutions The Siemens P1E42MC250C is a panelboard interior designed for lighting loads and branch circuit loads in commercial and industrial electrical distribution systems. This 42-circuit, 250-ampere panelboard interior is suitable for use by electrical distributors and switchgear suppliers as part of comprehensive lighting solutions and wire and cable management systems. It features a copper bus enclosure and complies with UL67 certification standards, ensuring reliable performance and safety in electrical installations. Specifications Manufacturer: Siemens Model Number: P1E42MC250C Application: Lighting Loads / Branch Circuit Loads Current Rating: 250 amperes Circuit Capacity: 42 circuits Material of Enclosure: Copper Bus Certification: PB1 / UL67 Product Weight: 24.6 lbs Voltage Rating: 480Y/277V, 3-Phase, 4-Wire Product Type: UPB interiors (Unassembled Panelboard) UPC: 783643369658 Features Convertible mains allowing flexibility between main lug or main breaker configurations 42 circuit capacity supports extensive branch circuit applications Copper bus material provides high conductivity and durability Designed for lighting and branch circuit loads, suitable for commercial electrical distribution UL67 certified for panelboards ensuring compliance with industry safety standards Compatible with Siemens BL, BQD, NGB, HGB, and LGB breakers for versatile breaker selection Downloads & Links Catalog Data Sheet Other 1