The Schneider Electric LR3D350 is a TeSys LRD thermal overload relay designed for direct mounting onto TeSys D contactors. This relay provides essential motor protection for 3-phase motors up to 22 kW at 400V, ensuring operational continuity in demanding industrial environments. Its robust construction and precise thermal tripping mechanism make it a reliable component for safeguarding motor assets.

Technical details

• Series: TeSys LRD
• Motor Power Rating: Up to 22 kW at 400V
• Thermal Setting Range: 37 A to 50 A
• Mounting Type: Direct mounting on TeSys D contactors
• Phase Protection: Designed for 3-phase motors
• Tripping Class: Class 10 (typical for this series, verify with datasheet)
• Reset Type: Manual and automatic reset options available (verify specific model)
• Phase Loss Sensitivity: Built-in phase loss detection for enhanced motor protection

Applications & compatibility

This thermal overload relay is integral to motor control circuits in various industrial sectors, including manufacturing, material handling, and process automation. It is commonly employed in applications such as conveyor systems, pumps, fans, and machine tools where reliable motor protection is critical to prevent downtime and equipment damage.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric LR3D350 or contact our technical team for cross-reference assistance with compatible TeSys components.