2046818

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 NO output signal. It provides a maximum switching distance of 4 meters when used with standard reflectors. The unit includes an integrated potentiometer for sensitivity adjustment, ensuring reliable detection in various environments.

Feature Summary

• Utilizes retro-reflective sensing principle for non-contact object detection
• Equipped with adjustable sensitivity via integrated potentiometer
• Features robust rectangular housing suitable for industrial applications

Applications

• Automated packaging machinery
• Conveyor belt monitoring systems
• Industrial assembly line positioning

Procurement Notes

Verify the specific suffix code to confirm output type and cable configuration. Ensure the operating voltage matches the system requirements. Confirm the required reflector model compatibility for optimal performance at the specified distance. Check environmental ratings against installation conditions.

Selection Notes

Select this model for applications requiring long-range detection up to 4 meters. Consider the PNP output logic for compatibility with standard PLC inputs. Evaluate the need for external amplification if distances exceed specifications or ambient light interference is high.

Part Context

This component belongs to the LE20 series of photoelectric sensors from SICK. The series is characterized by compact design and versatility in detecting various object types. It serves as a fundamental safety and control element in modern factory automation setups.

Replacement Considerations

Check for direct cross-references within the SICK portfolio. Verify pinout compatibility before substituting with other brands. Ensure electrical parameters such as voltage range and current consumption match the existing circuit design.