LR9F5371 | TeSys LRF – Electronic Thermal Overload Relay

Product Overview

The LR9F5371 is an electronic thermal overload relay from the TeSys LRF series by Schneider Electric. Designed for motor protection, this relay ensures reliable and precise operation in industrial applications. It is suitable for motors with a current range of 132 to 220 A and features a class 10 tripping characteristic, making it ideal for applications requiring fast response to overload conditions.

Key Features

• Current Range: 132 to 220 A
• Tripping Class: Class 10
• Type: Electronic Thermal Overload Relay
• Compatibility: Designed for use with TeSys D contactors
• Mounting: Snap-on mounting for easy installation
• Adjustable Settings: Allows precise adjustment of the current setting to match motor requirements
• LED Indicators: Provides visual status indication for overload, phase loss, and tripping conditions
• Phase Loss Protection: Detects and protects against phase loss conditions
• Ambient Temperature Range: Operates reliably in temperatures from -20°C to +60°C
• Standards Compliance: Meets IEC/EN 60947-4-1 standards

Applications

The LR9F5371 is suitable for a wide range of industrial applications, including:

• Motor protection in manufacturing and processing industries
• Pump and fan control systems
• Conveyor systems
• Compressors and crushers

Technical Specifications

Benefits

• Enhanced motor protection with precise overload detection
• Easy installation and setup
• Reliable performance in harsh industrial environments
• Reduced downtime with advanced fault detection

Additional Resources

For more detailed technical information, installation guidelines, and safety instructions, refer to the official Schneider Electric website or the product datasheet.