Protecting electric motors from overcurrent conditions, the Schneider Electric LR2D3357 is a thermal overload relay designed for use with TeSys D contactors. This relay provides reliable motor protection in applications requiring precise current monitoring and tripping thresholds. It is engineered to prevent damage caused by sustained overloads or phase imbalances.

Technical details

• Series: TeSys LR2D
• Amperage Range: 37 A to 50 A
• Mounting Type: Direct mount to TeSys D contactors (e.g., LC1D series)
• Trip Class: Class 10 (typical for this series, verify with datasheet)
• Reset Type: Manual and Automatic reset options
• Number of Poles: 3
• Auxiliary Contacts: 1 Normally Open (NO) and 1 Normally Closed (NC)
• Certifications: ATEX 94/9/EC, EN 60947-4-1, EN 60947-5-1, IEC 60947-4-1, IEC 60947-5-1, UL, CSA

Applications & compatibility

The Schneider LR2D3357 thermal overload relay is commonly employed in industrial motor control panels for protecting motors in machinery such as pumps, fans, conveyors, and machine tools. Its compatibility with TeSys D contactors makes it suitable for integration into existing or new motor starter assemblies across various manufacturing environments.

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 LR2D3357 or contact our technical team for cross-reference assistance with compatible TeSys components.