The Schneider LRD143 TeSys thermal overload relay is engineered for robust protection of 3-phase motors in demanding industrial environments. This relay is a key component within the TeSys family, designed to safeguard motor operation against common electrical faults. It provides essential protection against overloads, phase loss, and unbalanced loads, ensuring the longevity and reliability of connected motor systems.

Technical details

• Series: TeSys LRD
• Type: Thermal Overload Relay
• Protection Functions: Overload, Phase Failure, Load Unbalance
• Setting Range: The LRD143 features an adjustable thermal setting range. Please consult the manufacturer's datasheet for the precise current adjustment range (e.g., 13-18A, 17-23A, etc.) as this is encoded within the specific sub-model of the LRD143.
• Reset Type: Manual and Automatic Reset options are typically available for this series.
• Mounting: Designed for direct mounting onto compatible TeSys contactors or separate mounting with appropriate accessories.
• Control Circuit Voltage: Compatible with standard control circuit voltages; verify specific voltage requirements (e.g., 24V AC, 120V AC, 240V AC) against the manufacturer's datasheet for your specific LRD143 variant.
• Tripping Class: Typically Class 10, but confirm with the manufacturer's datasheet for the exact tripping class.

Applications & compatibility

This TeSys LRD143 thermal overload relay is commonly integrated into motor control centers and standalone motor starter assemblies. It is suitable for protecting motors in applications such as conveyor systems, pumps, fans, machine tools, and general industrial machinery where reliable motor protection is paramount.

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 LRD143 or contact our technical team for cross-reference assistance with compatible TeSys components.