The Schneider Electric Square D NF66L4 is a panelboard interior designed for robust electrical distribution in commercial and industrial settings. As part of the Square D NQ/NF series, this interior is engineered for reliability and ease of installation. It features a 400 Amp main lug configuration, suitable for managing significant electrical loads.

Technical details

• Series: Square D NQ/NF
• Configuration: Panelboard Interior
• Amperage Rating: 400A
• Phase: Single-phase
• Wire Configuration: Three-wire
• Bus Material: Aluminum
• Main Connection Type: Lugs
• Number of Circuit Spaces: 66

Applications & compatibility

This panelboard interior is commonly utilized in applications requiring a high density of circuit breakers within a single enclosure. It is well-suited for use in commercial buildings, manufacturing facilities, and power distribution panels for machinery and equipment where a 400A, single-phase service is required.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D NF66L4 or contact our technical team for cross-reference assistance with compatible Square D panelboard components.