The Schneider Electric LR3D04 is a thermal overload relay from the TeSys Deca series, designed for protecting electric motors against phase loss and unbalanced loads. This relay offers adjustable current settings and a tripping class of 10A, ensuring reliable motor protection in demanding industrial environments. It is commonly integrated into motor control centers and machine tool applications where precise overload detection is critical.

Technical details

• Series: TeSys Deca
• Rated operational voltage: Up to 690VAC
• Adjustable current range: 0.4A to 0.63A
• Number of auxiliary contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)
• Tripping class: Class 10A
• Protection features: Phase loss and unbalanced load detection
• Mounting type: Direct mounting or separate mounting with accessories
• Terminal type: Screw clamp terminals

Applications & compatibility

This thermal overload relay is suitable for use with various motor types and control systems, particularly in applications requiring robust motor protection. It is frequently specified for use in conveyor systems, pump drives, fan applications, and general industrial machinery where consistent and reliable motor operation 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 LR3D04 or contact our technical team for cross-reference assistance with compatible TeSys components.