The Schneider Electric LV431491 is a Micrologic 5.2 E trip unit designed for use with Compact NSX 250 circuit breakers. This electronic trip unit provides advanced protection and control capabilities for three-pole circuit breaker configurations. It is engineered to deliver precise current monitoring and tripping functions essential for safeguarding electrical distribution systems.

Technical details

• Trip Unit Series: Micrologic 5.2 E
• Compatible Circuit Breaker Series: Compact NSX 250
• Number of Poles: 3
• Trip Unit Type: Electronic
• Rated Current: 250A
• Protection Functions: Long-time, short-time, instantaneous, and ground fault (specific settings require further configuration or datasheet reference)
• Display: Integrated digital display for current readings and fault information
• Communication: Supports Modbus communication for remote monitoring and control (verify specific protocol implementation with manufacturer datasheet)

Applications & compatibility

This trip unit is integral to the protection schemes of industrial power distribution panels, motor control centers, and critical infrastructure. It is commonly found in applications requiring robust overcurrent and short-circuit protection, such as manufacturing facilities, data centers, and commercial buildings. Ensure compatibility with your specific Compact NSX 250 frame size and configuration by consulting the manufacturer's documentation.

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 LV431491 or contact our technical team for cross-reference assistance with compatible Micrologic trip units and Compact NSX components.