The Schneider Electric ComPacT NSX400S DC circuit breaker is engineered for robust DC power distribution and protection in demanding industrial environments. This 3-pole breaker is part of the ComPacT NSX series, known for its reliable performance in applications requiring high interrupting capacity.

Technical details

• Series: ComPacT NSX400S DC
• Trip Unit Type: TM-DC
• Rated Current: 400 A
• Number of Poles: 3
• DC Breaking Capacity: 100 kA at 750 VDC
• Voltage Rating: 750 VDC
• Designed for DC circuits
• Integrated thermal-magnetic trip unit for overcurrent and short-circuit protection

Applications & compatibility

This circuit breaker is suitable for DC power distribution systems in renewable energy installations, battery storage systems, and industrial DC motor control applications. It provides essential protection for equipment operating on DC power networks, ensuring operational continuity and safety.

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 C40S3TM400D or contact our technical team for cross-reference assistance with compatible ComPacT NSX components.