SICK 1027780
SICK Compact photoelectric sensors, W23-2, WT23-2S1521, Sensing range max.: 50 mm ... 1,000 mm, Sensor principle: Photoelectric proximity sensor, Detection principle: Background suppression, Switching output: Relay, Switching mode: Light switching, Connection type: Cable, 5-wire, 2 m, Light source: LED, Adjustment: Potentiometer