Energetic light sensors are ideal for detecting contrast differences. They detect objects depending on their surface, color and material. They are cost-effective, easy to install and align. Series=23K, dimensions=23 x 51 x 52.4 mm, interface=PNP/NPN normally open/closed (NO/NC) IO-Link, input function=same function as button key lock on/off, functional principle=optoelectronic sensor, optical functional principle=light sensor, energetic, beam characteristics=focus typically at 600 mm, light type=LED red light, light spot size=14 x 14 mm at 600 mm, range=0...2000 mm, connection=plug connector, M12x1 plug, 4-pin, housing material=PC ABS, active surface, material=PMMA, operating voltage Ub=18...30 VDC, approval/conformity=CEEcolabcULusEACWEEE