Schneider LRD3363 | TeSys LRD thermal overload relays – 63…80 A – class 10A

The Schneider LRD3363 is a thermal overload relay designed to protect motors from overload and phase failure. As part of Schneider Electric’s trusted TeSys range, this relay is engineered for durability and efficiency, ensuring optimal motor performance in industrial and commercial settings.

Key Features

1. Current Adjustment Range:
   • Adjustable between 18 to 25A, providing tailored protection for motors of varying capacities.
2. Trip Class:
   • Features Class 10A tripping characteristics for rapid response to overload conditions.
3. Integrated Protection:
   • Protects against motor overheating, phase loss, and imbalance, ensuring extended motor life.
4. Reset Functionality:
   • Offers manual and automatic reset options to meet diverse application requirements.
5. Compact and Modular Design:
   • Fits seamlessly with TeSys D contactors for an integrated motor control solution.
6. Test and Stop Functions:
   • Equipped with built-in test and stop buttons for maintenance and system checks.

Applications

The LRD3363 is suitable for a variety of motor protection scenarios, including:

• Industrial Equipment:
  Protects motors in manufacturing machinery, conveyor systems, and compressors.
• HVAC Systems:
  Ensures the reliability of pumps and fans in heating, ventilation, and air conditioning systems.
• Automation Systems:
  A key component for automated processes requiring precise motor control and protection.

Benefits

1. Enhanced Motor Protection:
   Prevents downtime and damage by effectively responding to overload and phase failures.
2. Flexibility:
   Adjustable current settings make it versatile for various motor types.
3. Energy Efficiency:
   Minimizes unnecessary tripping, optimizing motor performance.
4. Ease of Installation:
   Simple to integrate with TeSys D contactors, reducing installation time.

Technical Specifications

Installation and Maintenance

• Mounting:
  Easily mounts on TeSys D contactors or panels.
• Connection:
  Clearly labeled terminals simplify wiring.
• Testing:
  Built-in test button enables regular system checks to ensure functionality.