The Schneider Electric TeSys LRF electronic thermal overload relay is engineered for robust motor protection in industrial environments. This relay, part of the TeSys LRF series, offers precise current monitoring and tripping characteristics essential for preventing motor damage due to overloads or phase loss. It is designed to integrate seamlessly with compatible motor starters and control systems, ensuring reliable operation for critical machinery.

Technical details

• Series: TeSys LRF
• Type: Electronic Thermal Overload Relay
• Adjustable Current Range: 30...50 A
• Trip Class: Class 10 (provides a trip time of approximately 10 seconds at 6 times the set current)
• Phase Loss Sensitivity: Integrated phase loss detection for enhanced motor protection.
• Manual/Automatic Reset: Features selectable manual or automatic reset functionality for operational flexibility.
• Temperature Compensation: Built-in temperature compensation ensures accurate tripping across a range of ambient temperatures.
• Test Function: Includes a test function to verify proper operation of the overload relay.

Applications & compatibility

This TeSys LRF overload relay is commonly employed in applications requiring precise motor protection, such as on conveyor systems, pumps, fans, and machine tools. It is compatible with various Schneider Electric TeSys motor starters and contactors, providing a comprehensive motor control solution for manufacturing, processing, and material handling equipment.

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 LR9F5357 or contact our technical team for cross-reference assistance with compatible TeSys LRF components.