The Schneider Electric Square D NJHFE36400E20 is a molded case circuit breaker engineered for robust protection in demanding industrial and commercial electrical distribution systems. This unit is part of the NJHFE series, designed to safeguard equipment and personnel from overcurrent events. Its construction is optimized for reliable operation within 690V electrical architectures.

Technical details

• Series: NJHFE
• Voltage Rating: 690V AC
• Current Rating: 400A
• Interrupting Capacity: Verify against manufacturer datasheet for specific kA rating.
• Frame Size: HFE
• Number of Poles: 3-Pole
• Terminal Type: Screw terminals (verify configuration against datasheet)
• Trip Unit Type: Thermal-Magnetic (verify specific settings against datasheet)
• Mounting Type: Fixed (verify mounting details against datasheet)

Applications & compatibility

This circuit breaker is suitable for use in heavy-duty power distribution panels, motor control centers, and main service disconnects within manufacturing facilities, processing plants, and large commercial buildings. It is designed to integrate with 690V electrical systems commonly found in heavy industry, such as mining operations, large-scale material handling, and specialized industrial machinery.

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 NJHFE36400E20 or contact our technical team for cross-reference assistance with compatible NJHFE series components.