The Schneider Electric ComPacT NSX400F DC circuit breaker is engineered for robust DC power distribution and protection in demanding industrial environments. This 3-pole unit features a TM-DC trip unit and a 400 Ampere rating, designed to safeguard circuits against overcurrent and short-circuit faults. Its high interrupting capacity makes it suitable for applications requiring reliable DC isolation and fault management.

Technical details

• Series: ComPacT NSX
• Model Designation: NSX400F DC
• Poles: 3
• Current Rating: 400 A
• Trip Unit Type: TM-DC
• DC Voltage Rating: 750 VDC
• Interrupting Capacity: 36 kA at 750 VDC
• Application: DC circuit protection and isolation

Applications & compatibility

This circuit breaker is commonly deployed in DC power systems for renewable energy installations, battery storage solutions, and industrial DC drives. It is also suitable for use in electric vehicle charging infrastructure and other applications requiring high-voltage DC circuit protection. Verify compatibility with your specific DC system design and control architecture.

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 C40F3TM400D or contact our technical team for cross-reference assistance with compatible ComPacT NSX components.