Available. The Sick WTB4S-3P3431 is a photoelectric proximity sensor from the W4 series, designed for precise object detection in industrial automation applications. This sensor utilizes background suppression technology, enabling it to detect objects within a range of 10 mm to 120 mm, with a maximum sensing range of 120 mm for objects with 90% reflectance. It emits visible red light at a wavelength of 650 nm, providing a clear and focused detection spot. The sensor features a PNP output configuration and operates within a supply voltage range of 10 V DC to 30 V DC, with a current consumption of 20 mA. Its compact rectangular housing measures 12.2 mm in width, 41.8 mm in height, and 17.3 mm in depth, with a weight of 30 g. The sensor is equipped with a 150 mm cable with an M12 male connector, facilitating easy integration into existing systems. With an IP67 protection rating, the WTB4S-3P3431 is suitable for use in harsh industrial environments, offering reliable performance and durability.