1057340

Overview

The SICK LE20-2621 is a retro-reflective photoelectric sensor designed for industrial automation. It features a rectangular housing and utilizes light barrier technology with a red LED source. The device provides an NPN switching output configured as normally open (NO). It operates on a DC supply voltage ranging from 10 to 30 volts. The unit includes a potentiometer for sensitivity adjustment and offers IP67 ingress protection. The maximum switching distance is 4 meters, ensuring reliable detection of standard targets in various environments.

Feature Summary

• Utilizes retro-reflective sensing principle for stable object detection
• Features adjustable sensitivity via integrated potentiometer
• Constructed with robust housing suitable for harsh industrial conditions

Applications

• Automated packaging machinery
• Conveyor belt monitoring systems
• Industrial safety gates

Procurement Notes

Verify the specific suffix code against official SICK documentation to confirm electrical interface compatibility. Ensure the required cable length and connector type match your system infrastructure. Confirm that the NPN NO output aligns with your controller input specifications before finalizing the order.

Selection Notes

Select this model when a long-range detection capability up to 4 meters is required. It is suitable for applications needing high reliability with standard retro-reflective tape. Consider the NPN output logic to ensure compatibility with existing PLC or relay interfaces in the control panel design.

Part Context

This component belongs to the LE20 series of photoelectric sensors manufactured by SICK. The series is characterized by compact dimensions and versatile mounting options. It serves as a standard solution for general-purpose object detection tasks in factory automation settings.

Replacement Considerations

Consult official SICK cross-reference guides for verified substitutes. Generic equivalents may lack the specified IP67 rating or precise switching distance.