The Schneider Electric Compact NSX250S circuit breaker frame, identified by part number LV431391, is a fundamental component for electrical distribution and protection systems. Designed for robust industrial environments, this 3-pole basic frame is engineered to house trip units and provide essential circuit interruption capabilities. It is a key element in ensuring the safe and reliable operation of machinery and electrical infrastructure.

Technical details

• Series: Compact NSX
• Model Designation: NSX250S
• Poles: 3
• Interrupting Capacity: 100 kA at 415 VAC (50/60 Hz)
• Frame Size: Rated for 250 Amperes
• Configuration: Basic frame, supplied without a trip unit
• Voltage Compatibility: Suitable for 415 VAC systems operating at 50/60 Hz
• Mounting Type: Designed for panel mounting (verify mounting details with manufacturer datasheet)

Applications & compatibility

This Schneider Electric Compact NSX250S basic frame is commonly integrated into main distribution panels, motor control centers, and sub-distribution boards within manufacturing facilities. It is suitable for protecting circuits in applications such as conveyor systems, pump controls, HVAC units, and general power distribution where a 250A frame size with a 100kA interrupting rating is specified.

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 LV431391 or contact our technical team for cross-reference assistance with compatible Compact NSX trip units and accessories.