Authorized Seco-Larm Reseller

Seco-Larm E-936-S45RRGQ Reflective Photoelectric Beam Sensor – ETL UL325 Compliant, 45ft

Seco-LarmSKU: E-936-S45RRGQ

Sale price$59.70
Usually ships within 3-5 business days

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  • Range: 45ft (14m)
  • Weatherproof (IP66) construction for indoor/outdoor use
  • Pre-wired 6ft (1.8m) cord
  • Bracket and mounting hardware included for both sensor and reflector
  • Adjustable sensing range
  • Compact size
  • Monitoring method: N.C., 10kΩ resistor

Typical Applications

  • Sensor for garage doors, outdoor gates or overhead doors
  • Industrial automation sensor to detect objects on  manufacturing line
  • Entry detection for store fronts
  • Assist in measuring parking distance
  • Alarm sensor



Type Retro Reflective Photoelectric Beam Sensor
Current Draw Standby- 70mA@12VDC, Active- 55mA@12VDC
Sensing Range 0.5′ to 45′ (0.2 – 14m)
Operating Voltage 12-30VDC/AC 60Hz, 100mA
Reaction time 10mS
Light Source IR LED
LEDs – Red Power on
LEDs – Yellow Alignment
Alarm Output SPDT Relay Output (NO/NC/COM)
Switching Capacity 2A@30VAC/VDC
Operating Temperature -4º~131º F (-20º~55º C)
Enclosure IP66 Waterproof
Mounting Brackets Included



Sensor does not detect the object.
  • Change the angle of the sensor or readjust the sensitivity setting
Yellow LED does not turn on
  • Clean the sensor and reflector with a damp (not wet) cloth
  • Apply a coating of RainX™ to the reflector and the face of the sensor to help keep the units clear of moisture.
  • Adjust the reflector and/or sensor for proper alignment
LEDs turn off when object is detected, but no output
  • No continuity between sensor and alarm device. Check cable from sensor to alarm device. Test sensor.

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