Product Description
Sick 2023797
The Sick 2023797, also known as the WTB4-3P2161, is a high-performance photoelectric proximity sensor from the W4-3 product family. Engineered for reliability, it features superior background suppression (BGS) technology, ensuring precise detection of objects regardless of color or background variations. Its integrated PinPoint LED provides a highly visible and accurate light spot, simplifying alignment and setup. Housed in a rugged, miniature enclosure, this sensor is ideal for applications with limited space. The user-friendly 5-turn potentiometer allows for easy and precise adjustment of the sensing range, making the WTB4-3P2161 a versatile solution for a wide range of industrial automation tasks.
Technical Specifications:
- Sensor principle: Photoelectric proximity sensor, Background suppression
- Sensing range max.: 4 mm … 120 mm
- Switching output: PNP
- Connection type: Male connector M8, 3-pin
- Light source: PinPoint LED
- Supply voltage: 10 V DC … 30 V DC
- Enclosure rating: IP67 / IP66

Sick 2023797
Purchase the Sick 2023797 (WTB4-3P2161) photoelectric proximity sensor with background suppression. Features a 4-120mm sensing range, PNP output, and a compact M8 3-pin connector. Ideal for reliable object detection in industrial automation.







