SICK 6013666
SICK Cylindrical photoelectric sensors, V18, VS/VE18-4N3112, Sensing range max.: 0 m ... 20 m, Sensor principle: Through-beam photoelectric sensor, Switching output: NPN, Switching mode: Light/dark switching, Connection type: Cable, 4-wire, 2 m, Light source: LED, Adjustment: None, Communication interface: -