Photoelectric Sensor Thru-beam Light ON/Dark ON NPN 7m 4-Pin
Omron E3F2-7C4-M Axial Photoelectric Sensor, 24V, 100mA, Through Hole, -25°C to 55°C
Omron E3F2-7C4-M1-S Dark-On Photoelectric Sensor
Infrared Through-Beam Photoelectric Sensor, 7m Max Distance, 30VDC, -25 to 55°C
Omron E3F2-7C4 2M Thru-Beam Infrared Sensor