1052234

Overview

The SICK LE20-2621 is a retro-reflective photoelectric sensor designed for industrial automation. It features a rectangular housing and utilizes red light technology with a wavelength of 650 nm. The device operates on a DC 3-wire connection with a PNP switching output (NO). It provides a maximum sensing range of 4 meters when used with standard retro-reflective tape. The unit includes an integrated reflector and supports both light-on and dark-on switching modes via a built-in potentiometer.

Feature Summary

• Integrated reflector design simplifies installation by eliminating the need for a separate reflector unit.
• Adjustable sensitivity allows optimization for various target materials and distances.
• Robust rectangular housing ensures durability in demanding industrial environments.

Applications

• Object detection in automated assembly lines
• Position monitoring in packaging machinery
• Level detection in bulk material handling

Procurement Notes

Verify that the specific order number matches the required switching output type and voltage rating for your control system. Confirm compatibility with the intended retro-reflective tape or target surface to ensure the specified sensing distance is achieved. Check environmental ratings against operating conditions such as temperature and exposure to contaminants.

Selection Notes

Select this model when a compact, self-contained sensing solution is required without external reflectors. Ensure the application does not exceed the 4-meter range limit. Verify that the PNP output logic aligns with the input requirements of the PLC or controller interface.

Part Context

This component belongs to the LE20 series of photoelectric sensors from SICK. The series is characterized by its compact form factor and versatility in general-purpose object detection tasks. The LE20 models are engineered for reliable performance in factory automation settings.

Replacement Considerations

Cross-reference with other SICK LE20 variants if different mounting styles or electrical interfaces are needed. Ensure substitute models maintain the same switching output polarity and supply voltage specifications.