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=18M, Dimensions=Ø 18 x 75 mm, Interface=NPN normally open (NO) NPN normally closed (NC), Functional principle=Optoelectronic sensor, Optical functional principle=Light sensor, energetic, Beam characteristics=Focus typically at 400 mm, Light type=Laser red light, Light spot size=Ø 2 mm at 250 mm, Range=1...250 mm, Connection=Connector, M12x1 plug, 4-pin, Housing material=Brass, Active surface, Material=Glass, Operating voltage Ub=10...30 VDC, Approval/Conformity=cULusCEEACWEEE