Light sensors with background suppression ensure reliable detection regardless of surface, color and material. Their sensing mode is almost constant even with different degrees of remission. Series=23K, dimensions=23 x 51 x 52.4 mm, interface=NPN normally open/closed (NO/NC), input function=light/dark switching, operating principle=optoelectronic sensor, optical operating principle=light sensor, triangulation, optical special feature=background suppression, beam characteristic=collimated, light type=laser red light, light spot size=2.2 x 2.2 mm at 800 mm, range=5...800 mm, connection=plug connector, M12x1 plug, 4-pin, housing material=PC ABS, active surface, material=PMMA, operating voltage Ub=10...30 VDC, approval/conformity=CEEcolabcULusEACWEEE