The Schneider Electric Compact NSX250B is a 3-pole basic frame circuit breaker designed for robust electrical protection in industrial environments. This frame serves as the foundation for a complete circuit breaker assembly, requiring the addition of a trip unit and accessories to achieve full functionality. It is engineered to handle fault currents up to 25 kA at 415 VAC, making it suitable for applications demanding reliable overcurrent and short-circuit protection.

Technical details

• Series: Compact NSX
• Model Designation: NSX250B
• Number of Poles: 3
• Rated Breaking Capacity: 25 kA at 415 VAC 50/60 Hz
• Frame Size Current Rating: 250 A
• Configuration: Basic frame, requires separate trip unit and accessories
• Voltage Compatibility: 415 VAC (50/60 Hz)
• Certifications: Verify specific certifications against manufacturer datasheet for intended application.

Applications & compatibility

This Compact NSX250B basic frame is integral to power distribution systems within manufacturing plants, data centers, and commercial buildings. It is commonly deployed in motor control centers, main distribution panels, and sub-distribution boards where precise and reliable circuit protection is paramount. Compatibility extends to various trip units and accessories within the Schneider Electric NSX range, allowing for customization to specific protection requirements.

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 LV431390 or contact our technical team for cross-reference assistance with compatible Compact NSX components.