The Schneider Electric Square D NJNFE36400 is a molded case circuit breaker designed for robust electrical distribution and protection within industrial environments. As part of the Square D N Frame series, this breaker is engineered to deliver reliable performance in demanding applications, ensuring the safety and integrity of electrical systems. Its construction adheres to stringent industry standards for consistent operation and longevity.

Technical details

• Series: Square D N Frame
• Type: Molded Case Circuit Breaker (MCCB)
• Frame Size: N Frame
• Amperage Rating: 400 Amperes (based on NJNFE36400 part number convention, where '400' typically denotes the amperage)
• Interrupting Rating: 36 kA at 480VAC (derived from '36' in the part number, common for N Frame breakers)
• Voltage Rating: 600VAC maximum (standard for N Frame breakers of this type)
• Number of Poles: 3-Pole
• Terminal Type: Lug terminals (standard for this frame size and amperage)

Applications & compatibility

This 400A, 3-pole circuit breaker is suitable for main or branch circuit protection in motor control centers, switchboards, and distribution panels. It is commonly found in heavy industrial settings such as manufacturing plants, processing facilities, and large commercial buildings where reliable power distribution is critical.

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 NJNFE36400 or contact our technical team for cross-reference assistance with compatible N Frame components.