The Schneider Electric LR3D03 is a TeSys LRD thermal overload relay engineered for robust motor protection. This relay is designed for direct mounting onto TeSys D contactors, facilitating straightforward integration into motor control circuits. Its precise thermal setting range ensures accurate protection against overloads and phase unbalance.

Technical details

• Series: TeSys LRD
• Thermal Setting Range: 0.25 to 0.40 A
• Tripping Class: Class 10A
• Mounting: Direct mounting on TeSys D contactors
• Protection Type: Overload and phase unbalance protection
• Reset Method: Manual or automatic reset
• Control Circuit Voltage: Typically 24-600 VAC (verify with datasheet for specific model configuration)
• Auxiliary Contacts: 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts for signaling

Applications & compatibility

This thermal overload relay is commonly employed in motor control applications across various industries, including manufacturing, material handling, and HVAC systems. It provides essential protection for motors used in conveyor systems, pumps, fans, and machine tools, ensuring operational continuity and preventing costly downtime.

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 LR3D03 or contact our technical team for cross-reference assistance with compatible TeSys components.