Opto-sensor, one-way light barrier (receiver), operating voltage 5.15 VDC, max. range 6000 mm, cable length 2 m, cable, PVC, 2 m, protection class IP67, sensitivity adjustable via potentiometer, operating voltage: 5.15 VDC, NAMUR output: dark = 2.1 mA, according to EN 60947-5-6 (NAMUR), ATEX Category II 1 G, Ex Zone 0