Description

Schneider LRD22 | Thermal overload relay, TeSys LRD, 16…24 A, class 10A

Schneider LRD22: Revolutionizing Overload Protection

it is a thermal overload relay designed to ensure reliable protection for electric motors by preventing damage caused by overloads and phase imbalances. As part of the Schneider Electric TeSys series, this relay is a trusted solution for safeguarding motor-driven applications in industrial and commercial settings.

Key Features

1. Thermal Overload Protection
   Protects motors from damage caused by overheating or prolonged overload conditions.
2. Adjustable Current Range
   • Rated operational current: 10–14 A.
     This flexibility makes it compatible with a wide range of motor capacities.
3. Phase Failure Protection
   Detects and reacts to phase loss or imbalance, ensuring optimal safety for three-phase motors.
4. Manual and Automatic Reset Options
   Offers flexibility in recovery methods, tailored to application requirements.
5. Direct Mounting Capability
   Can be easily installed on TeSys D or K series contactors, streamlining setup and reducing wiring.
6. Test and Stop Functions
   Integrated testing and stopping options allow operators to verify functionality and troubleshoot with ease.
7. Compact and Modular Design
   Fits seamlessly into control panels without occupying excessive space.

Technical Specifications

Applications

it a versatile relay suitable for various applications, including:

1. Industrial Equipment
   Protects motors in conveyors, presses, and assembly lines.
2. Water Management Systems
   Ensures safe operation of pumps in municipal and industrial water systems.
3. HVAC Systems
   Protects critical components such as compressors and blowers.
4. Manufacturing Plants
   Safeguards motors in heavy-duty production equipment.

Benefits of the Schneider LRD22

1. Enhanced Motor Protection
   Prevents damage caused by overloads and ensures operational continuity.
2. Cost Savings
   Reduces downtime and maintenance costs associated with motor failures.
3. Ease of Integration
   Compatible with Schneider Electric’s TeSys series contactors, ensuring smooth setup.
4. Durability and Reliability
   Designed for long-term use in challenging industrial environments.

Installation and Maintenance Tips

1. Verify Compatibility
   Confirm that the relay’s adjustable current range matches the motor specifications.
2. Follow Proper Wiring Procedures
   Ensure secure and reliable electrical connections to prevent malfunctions.
3. Conduct Regular Tests
   Periodically use the test function to check the relay’s responsiveness and calibration.
4. Maintain Environmental Standards
   Install in clean, vibration-free areas for optimal performance.