The Schneider Electric LR3D146 is a TeSys LRD thermal overload relay designed for motor protection applications. This relay is part of the TeSys LRD series, a robust line of motor control components. It provides reliable thermal overload protection for three-phase motors, ensuring operational continuity and preventing damage from overcurrent conditions.

Technical details

• Series: TeSys LRD
• Type: Thermal Overload Relay
• Current Rating: 7 A to 10 A
• Trip Class: Class 10A
• Phase: Three-phase
• Mounting: Designed for direct mounting onto compatible TeSys contactors (verify specific contactor compatibility via manufacturer datasheet).
• Reset Type: Manual and automatic reset options available (verify specific model configuration).
• Phase Loss Sensitivity: Built-in phase loss sensitivity for enhanced motor protection.

Applications & compatibility

This TeSys LRD thermal overload relay is commonly integrated into motor control centers and individual motor starter assemblies. It is suitable for protecting motors in applications such as conveyor systems, pumps, fans, and general industrial machinery where precise thermal overload detection is critical for operational safety and longevity.

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 LR3D146 or contact our technical team for cross-reference assistance with compatible TeSys LRD components.