The Schneider Electric Square D NJNF36400F40 is a molded case circuit breaker frame, a critical component for electrical protection systems. This frame is designed to house the internal mechanisms of a circuit breaker, providing structural integrity and mounting points for electrical connections. It is part of the Square D line, known for its robust industrial electrical distribution and control equipment.

Technical details

• Series/Family: Square D NJNF
• Frame Type: Molded Case Circuit Breaker Frame
• Frame Size: 400A
• Voltage Class: Typically designed for standard industrial voltage ranges; verify specific voltage rating against manufacturer datasheet.
• Interrupting Rating: Specific interrupting rating is not directly encoded in the frame part number; consult manufacturer documentation for the complete breaker assembly.
• Mounting Type: Designed for panel mounting within a switchboard or enclosure.
• Terminal Type: Accommodates standard lug-type connections for power conductors.
• Material: Constructed from durable, insulating materials suitable for industrial environments.

Applications & compatibility

This circuit breaker frame is integral to the construction of molded case circuit breakers used in a wide array of industrial applications. It is commonly found in electrical distribution panels for manufacturing facilities, data centers, and commercial buildings. The NJNF frame is designed to support breaker assemblies that protect circuits from overcurrents and short circuits in systems ranging from motor control centers to main service disconnects.

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 NJNF36400F40 frame or contact our technical team for cross-reference assistance with compatible Square D circuit breaker components.