Schneider LRD332 | TeSys LRD Thermal Overload Relay, 23-32A, Class 10A

1. Introduction

The Schneider LRD332 is a thermal overload relay from the TeSys LRD series, designed to protect electric motors from overloads and phase failure. It features an adjustable current range of 23-32A and Class 10A tripping characteristics, making it ideal for industrial motor control applications. The relay is designed to be directly mounted onto TeSys LC1D contactors, ensuring seamless integration into motor starter circuits.

2. Key Features

• Adjustable Current Range: 23-32A
• Tripping Class: 10A (Fast response to overloads)
• Reset Options: Manual and automatic reset
• Phase Failure Protection: Prevents motor damage in case of phase loss
• Mounting Compatibility: Attaches directly to TeSys LC1D contactors
• Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)
• Robust and Compact Design: Suitable for industrial environments

3. Technical Specifications

• Product Type: Thermal Overload Relay
• Series: TeSys LRD
• Current Adjustment Range: 23-32A
• 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 damage due to overheating
• Easy Installation: Mounts directly onto LC1D contactors
• Versatile Reset Options: Allows manual and automatic reset
• Compact & Space-Saving: Ideal for electrical panels
• Energy-Efficient & Durable: Reduces maintenance and downtime

6. Conclusion

The Schneider LRD332 is a reliable and efficient thermal overload relay designed for motor protection in industrial and commercial settings. With its adjustable 23-32A range, Class 10A tripping characteristics, and built-in phase failure protection, it is a cost-effective solution for ensuring motor safety and long-term performance.