Protecting AC circuits and motors from common electrical faults, the Schneider Electric LR3D318 is a 3-pole thermal overload relay designed for reliable motor protection. This unit is engineered to detect and respond to overloads, phase failures, and prolonged stalling conditions, ensuring the longevity and operational integrity of connected equipment. Its robust design makes it suitable for integration into a wide range of industrial control panels and machinery.

Technical details

• Series: LR3D
• Type: Thermal Overload Relay
• Number of Poles: 3
• Adjustable Current Range: 12 to 18 Amps
• Protection Functions: Overload, Phase Failure, Stalling
• Mounting Type: Typically direct mount or rail mount (verify with datasheet for specific configuration)
• Voltage Rating: Compatible with standard industrial AC voltages (verify specific rating with manufacturer datasheet)
• Reset Type: Manual and Automatic reset options available (verify specific model configuration)

Applications & compatibility

The LR3D318 is commonly employed in applications requiring precise motor protection, such as on conveyor systems, pump drives, fan motors, and within general manufacturing equipment. It is designed to integrate seamlessly with compatible Schneider Electric contactors and motor control centers, providing a comprehensive protection solution for electric motors across various industrial sectors.

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 LR3D318 or contact our technical team for cross-reference assistance with compatible LR3D series components.