P1742MC250CT Lighting Panelboard Interior

The Siemens P1742MC250CT is a convertible main lug lighting panelboard interior designed for lighting and branch circuit loads. This unassembled panelboard is part of Siemens' UPB interiors line and is suitable for use by electrical distributors and switchgear suppliers focusing on lighting solutions and wire and cable distribution. It supports a voltage rating of 480Y/277 volts with a 3-phase, 4-wire circuit configuration, and a current rating of 250 amperes. The panelboard is UL 67 approved and REACH compliant, ensuring compliance with industry standards for safety and environmental responsibility.

Specifications

• Manufacturer: Siemens
• Voltage Rating: 480Y/277 Volt
• Current Rating: 250 Ampere
• Circuit Configuration: 3-Phase, 4-Wire
• Maximum Number of Circuits: 42
• Bus Material: Copper (tin-plated)
• Enclosure Dimensions: 44" Height x 20" Width x 5.75" Depth
• Application: Lighting Loads/Branch Circuit Loads
• Product Weight: 30 lbs
• UL Approval: UL 67
• REACH Compliant
• Includes Subfeed Space

Features

• Convertible main lug design allows switching between main lug and main breaker without changing enclosure size.
• Split neutral design enhances wiring flexibility and reduces clutter.
• Feed-thru lugs and subfeed breakers up to 250 amps can be added in the field without increasing box height.
• Integral bus-mounted surge protective device (SPD) capability for enhanced protection.
• Symmetrical interior mounting allows for top or bottom feed orientation.
• Tin-plated copper bus for improved conductivity and durability.
• Compatible with a wide range of Siemens branch breakers including BL, BQD, xGB, and 3VA41 series.
• Designed for easy installation and maintenance with contractor-friendly lugs and removable components.
• Suitable for use as service entrance equipment when configured accordingly.

Downloads & Links

• Catalog
• Data Sheet