Available. The Sick WTB12-3P2431 is a compact photoelectric proximity sensor designed for precise background suppression in industrial automation applications. Operating within a sensing range of 20 mm to 350 mm, it utilizes a visible red LED light source with a wavelength of 640 nm, ensuring reliable detection across various materials. The sensor features a PNP output with complementary switching, offering both light and dark switching modes to accommodate diverse system requirements. Its robust metal housing, measuring 15.6 mm in length, 48.5 mm in height, and 42 mm in depth, provides durability and protection against harsh industrial environments. The sensor operates within a supply voltage range of 10 V DC to 30 V DC and consumes a maximum current of 45 mA, making it energy-efficient. With a response time of ≤330 µs and a switching frequency of up to 1,500 Hz, it delivers rapid and accurate detection. The WTB12-3P2431 is equipped with a potentiometer for precise adjustment, facilitating easy setup and calibration. Its M12, 4-pin male connector ensures straightforward integration into existing systems. Designed to withstand ambient temperatures from -40°C to +60°C, it is suitable for a wide range of industrial applications.