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=6K, dimensions=12 x 41.5 x 21.6 mm, interface=NPN normally open/closed (NO/NC), input function=same function as button key lock on/off, functional principle=optoelectronic sensor, optical functional principle=light sensor, energetic, beam characteristics=divergent, light type=LED red light, light spot size=20 x 20 mm at 180 mm, range=0...800 mm, connection=plug connector, M8x1 plug, 4-pin, housing material=ABS, active surface, material=PMMA, operating voltage Ub=10...30 VDC, approval/conformity=cULusCEEACWEEE