The SICK WTB4SL-3P1161 is a photoelectric proximity sensor with background suppression. It features precise object detection regardless of color, surface, or material, with high immunity to ambient light. The compact rectangular housing allows easy integration in confined spaces. This sensor provides a sensing range up to 400 mm, operates on 10–30 V DC, and offers a PNP, light/dark switching output. Its advanced optical technology ensures reliable performance even with challenging targets such as shiny, dark, or transparent objects.
