Opto-sensor, reflective light barrier with polarization filter, operating voltage 10.30 VDC, max. range 6000 mm, cable length 9 m, Opto-sensor, reflective light barrier with polarization filter, optionally light/dark switching or light switching with alarm function, operating voltage 10...30 VDC, PNP/NPN switching output, connecting cable, 9 m, protection class IP68/IP69K, max. range: 6m, operating voltage: 10.30 VDC, PNP switching output, changeover contact