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Overview

The SICK LE20-2621 is a retro-reflective photoelectric sensor designed for industrial automation. It utilizes visible red light and features a Reflex Array with a dual lens system to ensure reliable detection at minimum distances from the reflector. The unit has a rectangular housing design and supports potentiometer adjustment. It is engineered to detect transparent, perforated, uneven, shiny, or flat objects with position tolerances.

Feature Summary

• Reflex Array technology with dual lens system for close-range detection
• Visible red light source for clear alignment and object identification
• Capable of detecting challenging surfaces including transparent and shiny materials

Applications

• Detection of transparent objects in packaging lines
• Monitoring of perforated materials in manufacturing processes
• Identification of uneven or shiny objects on conveyor systems

Procurement Notes

Verify the specific订货代号 (Order Code) matches the required variant. Confirm compatibility with the intended reflector type, such as the P250F, to ensure the specified sensing range is achieved. Check that the M12 connector interface aligns with existing cabling infrastructure. Ensure environmental conditions fall within the operational limits defined in the official datasheet.

Selection Notes

Select this model when space constraints require a compact rectangular housing. Choose this variant if the application involves detecting difficult targets like transparent films or reflective metals where standard sensors may fail. The Reflex Array feature is critical for applications requiring consistent performance at short stand-off distances from the reflector.

Part Context

This component belongs to the SICK LE20 series of miniature photoelectric sensors. The series is characterized by its small form factor and versatility in handling various object types. The LE20-2621 specifically denotes the configuration with visible red light and Reflex Array optics, distinguishing it from infrared variants or those with different optical ranges.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout and mounting dimensions against existing equipment before considering alternative models.