The Schneider Electric Square D NJHFE46400E20 is a molded case circuit breaker designed for robust electrical system protection. Engineered within the NJHFE series, this breaker is specifically built to handle high-voltage applications, making it suitable for demanding industrial environments. Its construction ensures reliable performance in safeguarding equipment against electrical faults.

Technical details

• Series: NJHFE
• Voltage Rating: 690 VAC
• Current Rating: 400 Amps
• Frame Size: 400A
• Interrupting Rating: 20 kA at 690 VAC (based on typical NJHFE series specifications, verify with datasheet)
• Terminal Type: Screw terminals
• Mounting Type: Fixed, front or rear mounting
• Actuator Type: Toggle lever
• Trip Unit Type: Thermal-magnetic (fixed settings, verify with datasheet)

Applications & compatibility

This circuit breaker is commonly deployed in heavy-duty industrial settings requiring high voltage protection, such as large motor control centers, power distribution panels in manufacturing plants, and substations. It is designed to integrate into systems where reliable fault interruption at 690V is critical, including applications in mining, oil and gas, and heavy manufacturing 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 NJHFE46400E20 or contact our technical team for cross-reference assistance with compatible NJHFE series components.