Photoelectric Sensors E3K Long Range Door Control Photoelectric Sensor. Wire Red & Black to Power. Set Sensitivity near Max. Wire … E3K-RIO Position the reflector opposite the lans using the gun-sight, slit on top of the sensor. To do this, center the sensor Wire White to C1. Wiring Sensitivity Dark Switch OMRON E3K Reflector Type Photo Eye (24 to 240 VAC or VDC) UL 325 Compliant Instructions Set Dark Switch to Dark ON. Browse Item # E3K-R10K4, 10 m Sensing Distance Heavy-Duty Alternating Current (AC)/Direct Current (DC) Photoelectric Sensor (PES) in the Omron Automation Americas catalog including Item #,Item … ... easy-to-wire terminal strip; Plug-in replaceable relay output; Timer modules available; Rated IP67, NEMA 4X, 6 for washdown ... Omron … You are currently viewing the . E3K Long Range Door Control Photoelectric Sensor page. The LIGHT INDICATOR (RED) will turn ON when the sensor and reflector are correctly aligned To achieve maximum stability, position the sensor so that it points directly at the reflector.