Photoelectric Sensor Thru-beam Light ON/Dark ON PNP Open Collector 4-Pin
4-Pin Thru-Beam Photoelectric Sensor, 30VDC, -25 to 55°C, Panel Mount
Photoelectric Sensor Retro-Reflective Light ON/Dark ON PNP Open Collector 4-Pin
Photoelectric Sensor Diffuse-Reflective Light ON/Dark ON PNP Open Collector 4-Pin