SENSOR PHOTO 500MM PNP 12-24VDC
穿透光束 光学传感器 19.685"（500mm） PNP - 开路集电极/暗光
得捷: SENSOR THROUGH-BEAM 500MM PNP
Allied Electronics: Sensor, M4 THRU D-ON PNP SCREW FITTING PHOTO SENSOR
Electro Sonic: Photoelectric Sensor Thru-beam Dark ON PNP 0.5m
Panasonic 松下