Photoelectric Sensor Thru-beam Dark ON NPN 0.5m 3Pin
Through-Beam Optical Sensor 19.685" 500mm NPN - Open Collector/Dark-ON
得捷: SENSOR THROUGH-BEAM 500MM NPN
艾睿: Photoelectric Sensor Thru-beam Dark ON NPN 0.5m 3-Pin
Omron 欧姆龙
Illumra