The Schneider Electric LV433931 is a Micrologic 4.3 electronic trip unit designed for use with Compact NSX 630 circuit breakers. This unit provides advanced protection and control capabilities for three-pole electrical distribution systems. It is engineered to deliver precise tripping characteristics for enhanced safety and operational reliability in demanding industrial environments.

Technical details

• Series: Micrologic 4.3
• Compatible Circuit Breaker Series: Compact NSX 630
• Type: Electronic Trip Unit
• Number of Poles: 3
• Current Rating: 570A
• Protection Functions: Includes long-time, short-time, instantaneous, and ground fault protection (indicated by "3d" which typically denotes these functions).
• Control Type: Electronic

Applications & compatibility

This trip unit is specifically designed for integration into Schneider Electric's Compact NSX 630 circuit breaker platform. It is commonly found in power distribution panels for manufacturing facilities, data centers, and commercial buildings where reliable circuit protection is paramount. Its advanced electronic features make it suitable for applications requiring precise fault detection and selective coordination.

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 LV433931 or contact our technical team for cross-reference assistance with compatible Compact NSX components.