The Schneider Electric LV431489 is an electronic trip unit designed for the ComPact NSX 250 circuit breaker series. This unit is rated for 250 Amperes and is configured for a 3-pole system, providing essential overcurrent protection for electrical distribution panels and motor control circuits. Its MicroLogic 5.2 A-Z technology offers advanced protection features, including adjustable long-time protection, crucial for safeguarding equipment from sustained overloads.

Technical details

• Series: ComPact NSX 250
• Trip Unit Type: Electronic, MicroLogic 5.2 A-Z
• Current Rating: 250 A
• Number of Poles: 3
• Protection Functions: Includes adjustable long-time protection (Ir), short-time protection (Isd), and instantaneous protection (Im). Specific settings for Isd and Im may require further configuration or verification against the manufacturer's datasheet.
• Voltage Compatibility: Designed for use with ComPact NSX 250 circuit breakers; specific voltage ratings should be confirmed with the breaker's datasheet.
• Mounting: Intended for integration within Schneider Electric ComPact NSX 250 frame sizes.
• Control Interface: Features terminals for connection to the circuit breaker mechanism and potential for auxiliary contacts or communication modules (module dependent).

Applications & compatibility

This trip unit is commonly employed in industrial electrical distribution systems, motor control centers, and machine tool applications where precise overcurrent protection is required. It is compatible with Schneider Electric ComPact NSX 250 frame circuit breakers, ensuring reliable operation in demanding environments such as manufacturing plants, food processing facilities, and water treatment operations.

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 Schneider Electric LV431489 or contact our technical team for cross-reference assistance with compatible ComPact NSX components.