Optical sensors, reflex light sensor, cuboid-shaped plastic, sensing range 1500 mm, 5-wire, AC/DC relay, operating voltage: 20...250 V AC/DC (47...63 Hz V AC), light/dark switching programmable, connection terminals, terminals up to 1.5 mm, switch-on delay or switch-off delay selectable via slide switch, housing material: modified PPO, optics material: PMMA