Sensor Photo 12m 10-30VDC Npn
Through-Beam Optical Sensor 472.4" 12m 39.4" NPN - Open Collector
得捷: SENSOR THRU-BEAM 12M NPN OPEN CL
Electro Sonic: Photoelectric Sensor Thru-beam Dark ON PNP 15m 3-Pin
Panasonic 松下