Part of the Schneider Electric TeSys LRF series, the LR9F79 electronic thermal overload relay provides robust protection for electric motors and circuits. This relay is engineered for applications requiring precise current monitoring and reliable tripping mechanisms, commonly found in heavy industrial machinery and manufacturing processes.

Technical details

• Series: TeSys LRF
• Type: Electronic Thermal Overload Relay
• Current Rating Range: 300 A to 500 A
• Protection Function: Thermal overload protection
• Reset Type: Manual and Automatic reset options (verify with datasheet)
• Mounting: Designed for direct mounting on compatible TeSys contactors (verify compatibility with specific contactor models)
• Phase Loss Detection: Integrated phase loss detection for enhanced motor protection
• Temperature Compensation: Built-in temperature compensation for accurate operation across ambient temperature variations
• Auxiliary Contacts: Typically includes auxiliary contacts for signaling and control circuits (verify configuration with datasheet)

Applications & compatibility

The Schneider Electric LR9F79 is suitable for protecting motors in demanding industrial environments such as material handling systems, pump drives, fan applications, and conveyor belts. Its broad current range makes it adaptable to a variety of motor sizes and power requirements within these sectors.

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 LR9F79 or contact our technical team for cross-reference assistance with compatible TeSys LRF components.