The Schneider Electric ComPacT NSX400K circuit breaker is engineered for robust electrical protection in demanding industrial environments. This 4-pole breaker features a MicroLogic 2.3 trip unit and is rated for 400A, providing reliable circuit interruption for systems requiring high fault current handling capabilities. Its design is suitable for integration into main distribution panels, motor control centers, and power distribution units within manufacturing facilities.

Technical details

• Series: ComPacT NSX400K
• Number of Poles: 4
• Trip Unit: MicroLogic 2.3
• Current Rating: 400A
• Interrupting Capacity (Icu): 36kA at 800VAC
• Interrupting Capacity (Icu): 10kA at 1000VAC
• Form Factor: Molded Case Circuit Breaker (MCCB)
• Terminal Type: Screw terminals (verify specific configuration against manufacturer datasheet)

Applications & compatibility

This circuit breaker is commonly deployed in heavy industrial settings, including manufacturing plants, data centers, and infrastructure projects. It is designed for use in power distribution systems for machinery such as large pumps, compressors, HVAC systems, and conveyor belts where reliable protection against overcurrent and short circuits is paramount.

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 C40K42D400 or contact our technical team for cross-reference assistance with compatible ComPacT NSX components.