SICK 1025624
SICK Compact photoelectric sensors, W34, WL34-B430S01, Sensor principle: Photoelectric retro-reflective sensor, Detection principle: Dual lens, Switching output: NPN, PNP, Switching mode: Light switching, Dark switching, Connection type: Male connector M12, 4-pin, Light source: LED, Adjustment: Potentiometer, Communication interface: -