The Schneider Electric Square D NJNFE36400F40 is a molded case circuit breaker engineered for robust overcurrent protection in demanding industrial environments. This three-pole breaker is specifically designed for high-voltage applications, offering reliable switching and fault interruption capabilities. Its construction within the Square D N-frame series signifies a commitment to durable performance and safety standards.

Technical details

• Series: Square D N-frame
• Voltage Rating: 690 VAC
• Current Rating: 400 Amps
• Number of Poles: 3
• Frame Size: NFE (specific dimensions require datasheet verification)
• Interrupting Rating: Requires datasheet verification for specific kA rating
• Terminal Type: Requires datasheet verification
• Mounting Type: Requires datasheet verification

Applications & compatibility

This circuit breaker is suitable for use in heavy-duty electrical distribution systems, motor control centers, and power generation facilities where high voltage and current handling are critical. It is commonly found protecting large industrial machinery, transformers, and main power feeders in sectors such as mining, petrochemical, and heavy manufacturing.

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 NJNFE36400F40 or contact our technical team for cross-reference assistance with compatible N-frame components.