The Schneider Electric Square D NJNN36400E20 is a molded case circuit breaker designed for robust electrical distribution in demanding industrial settings. This breaker is part of the NNN series, engineered to provide reliable overcurrent protection for heavy electrical loads. Its construction ensures durability and consistent performance in challenging environments.

Technical details

• Series: NNN
• Type: Molded Case Circuit Breaker
• Amperage Rating: 400 Amps
• Voltage Rating: 600 Volts AC
• Interrupting Rating: 25 kA at 600V AC (typical for this series, verify with datasheet)
• Frame Size: NJNN (specific dimensions require datasheet verification)
• Trip Unit Type: Thermal-Magnetic (typical for this series, verify with datasheet)
• Number of Poles: 3 (implied by standard configurations for this rating, verify with datasheet)
• Terminal Type: Lug (verify with datasheet)

Applications & compatibility

This circuit breaker is suitable for use in main distribution panels, motor control centers, and feeder protection applications across various industries. It is commonly found in heavy manufacturing, material handling, and process control systems where reliable and high-capacity circuit protection is essential. Ensure compatibility with your specific system voltage and fault current requirements by consulting the manufacturer's datasheet.

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 NJNN36400E20 or contact our technical team for cross-reference assistance with compatible NNN series components.