Schneider LRD325 | TeSys LRD Thermal Overload Relay, 17-25A, Class 10A

1. Introduction

The Schneider LRD325 is a thermal overload relay from the TeSys LRD series, designed to protect electric motors from overloads and phase failure. With an adjustable current range of 17-25A and Class 10A tripping characteristics, this relay ensures efficient motor protection and enhances system reliability. It is designed to be directly mounted onto TeSys LC1D contactors, allowing easy integration into motor control systems.

2. Key Features

• Adjustable Current Range: 17-25A
• Tripping Class: 10A (Fast response to overloads)
• Reset Options: Manual and automatic reset
• Phase Failure Protection: Prevents motor damage due to phase loss
• Mounting Compatibility: Attaches directly to TeSys LC1D contactors
• Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)
• Compact and Durable: Designed for industrial environments

3. Technical Specifications

• Product Type: Thermal Overload Relay
• Series: TeSys LRD
• Current Adjustment Range: 17-25A
• Tripping Class: 10A
• Reset Mode: Manual/Automatic
• Phase Failure Protection: Yes
• Number of Auxiliary Contacts: 1 NO + 1 NC
• Mounting Type: Direct attachment to LC1D contactors
• Compliance: IEC 60947-4-1

4. Applications

• Motor overload protection
• Industrial automation systems
• Pumps, fans, compressors, conveyors
• HVAC systems
• Power distribution panels

5. Benefits

• Reliable Motor Protection: Prevents overheating and damage
• Easy Installation: Mounts directly onto LC1D contactors
• Versatile Reset Options: Supports both manual and automatic reset
• Compact & Space-Saving: Optimized for electrical panels
• Energy-Efficient & Durable: Reduces downtime and maintenance costs

6. Conclusion

The Schneider LRD325 is a high-performance thermal overload relay that provides reliable and efficient motor protection. With its adjustable 17-25A range, Class 10A tripping characteristics, and built-in phase failure protection, it is an excellent choice for ensuring safe and long-lasting motor operation in industrial applications.