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=18KF, Dimensions=Ø 18 x 81.5 mm, Interface=NPN normally open (NO) NPN normally closed (NC), Operating principle=Optoelectronic sensor, Optical operating principle=Light sensor, energetic, Beam characteristics=divergent, Light type=LED infrared, Range=0...400 mm, Connection=Connector, M12x1 plug, 4-pin, Housing material=PBT, Active surface, Material=PMMA, Operating voltage Ub=10...30 VDC, Approval/Conformity=CEcULusEACWEEE