SICK 1113191
SICK Miniature photoelectric sensors, W4F, WLD4FP-21312130ZZZ, Sensing range min. / max.: 15 mm / 4.5 m, Sensor principle: Photoelectric retro-reflective sensor, Detection principle: With minimum distance to reflector (dual lens system), Switching output: Push-pull: PNP/NPN, Connection type: Connector M8, 3-pin, Light source: PinPoint LED, Type of light: Visible red light, Housing material: VISTAL®, Adjustment: Teach-in button