The Schneider Electric Compact NSX250S DC circuit breaker is designed for high-capacity DC power distribution and protection in demanding industrial environments. This 3-pole unit offers a robust 100 kA interrupting rating at 750 VDC, ensuring safety and reliability in systems requiring significant fault current handling capabilities. It is a key component for safeguarding DC circuits in applications such as renewable energy systems, industrial battery storage, and specialized DC motor drives.

Technical details

• Series: Compact NSX
• Model Designation: NSX250S DC
• Poles: 3
• Voltage Rating: 750 VDC
• Interrupting Capacity: 100 kA at 750 VDC
• Current Rating: 250 A
• Trip Unit: Not included; requires separate purchase to define protection characteristics.
• Form Factor: Molded Case Circuit Breaker (MCCB)

Applications & compatibility

This circuit breaker is suitable for use in DC power distribution panels, industrial control systems, and equipment requiring reliable overcurrent protection. Its high interrupting rating makes it ideal for applications where significant fault currents are anticipated, such as in solar inverter systems, DC traction power, and large-scale uninterruptible power supply (UPS) systems.

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 LV438218 or contact our technical team for cross-reference assistance with compatible Compact NSX trip units and accessories.