SICK 1050772
SICK Small photoelectric sensors, W9, WTB9-3P3461S13, Sensing range max.: 20 mm ... 350 mm, Sensor principle: Photoelectric proximity sensor, Detection principle: Background suppression, Switching output: PNP, Switching mode: Light switching, Connection type: Cable with M12 male connector, 4-pin, 120 mm, Light source: PinPoint LED, Adjustment: Potentiometer, Communication interface: -