The Schneider Electric LV433950 is a Micrologic 7.3 E trip unit designed for use with Compact NSX 400/630 series circuit breakers. This electronic trip unit provides advanced protection and control capabilities for three-pole electrical distribution systems. It is engineered to deliver precise current monitoring and fault interruption, ensuring the safety and reliability of industrial power infrastructure.

Technical details

• Trip Unit Series: Micrologic 7.3 E
• Compatible Circuit Breaker Series: Compact NSX 400/630
• Type: Electronic Trip Unit
• Number of Poles: 3
• Current Rating: 400A
• Protection Functions: Includes long-time, short-time, instantaneous, and ground fault protection (3d indicates ground fault functionality).
• Display: Integrated digital display for real-time readings and fault information.
• Communication Capabilities: Supports advanced communication protocols for integration into SCADA and building management systems (specific protocols to be verified against manufacturer datasheet).

Applications & compatibility

This trip unit is essential for applications requiring robust overcurrent and ground fault protection in medium-voltage distribution panels. It is commonly found in commercial buildings, data centers, manufacturing facilities, and infrastructure projects utilizing Schneider Electric's Compact NSX breaker platform. Its advanced features make it suitable for critical power distribution circuits where precise fault detection and rapid response are paramount.

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 LV433950 or contact our technical team for cross-reference assistance with compatible Compact NSX components.