Authorized Seco-Larm Reseller

Seco-Larm E-931-S35RRQ Reflective Photoelectric Beam Sensor, 35ft

Seco-LarmSKU: E-931-S35RRQ

Sale price$56.00
Usually ships within 3-5 business days
Buying in Bulk? Have Questions?
Call Us: 718-435-2800


  • For outdoors gates, garage doors, etc.
  • Adjustable sensing range
  • 12~240 VDC / 24~240 VAC Operation
  • Current draw: Up to 40mA@12VDC
  • For indoor or outdoor use (IP66 Weatherproof)
  • Pre-wired 6.5ft (2m) cord
  • Brackets and mounting hardware included
  • Compact size
  • New single-gang box and wall-mount brackets available

Typical Applications

  • Sensor for garage doors, outdoor gates or overhead doors
  • Sensor for industrial automation to detect objects on manufacturing line



Type NIR Reflective Photoelectric Sensor
Current Draw Standby- 12VDC@20mA; 24VDC@10mA, Active- 12VDC@40mA; 24VDC@20mA
Sensing Range 0.5′ to 35′ (0.1 – 11m)
Operating Voltage 12~240 VDC / 24~240 VAC
Reaction time 10ms (max.)
Light Source IR LED
LEDs – Red Active
LEDs – Yellow Standby
Output SPDT Relay Output
Switching Capacity 250VAC/1A, 30VDC/2A
Operating Temperature -4º~131º F (-20º~55º C)
Enclosure IP66 Waterproof
Trigger Output SPDT Relay output (NO/NC/COM)



Trouble Possible Origin(s) Remedy(s)
Sensor does not detect the object. 1) Sensor sensitivity is not properly set.
2) Object may have a reflective surface
which confuses sensor
Change the angle of the sensor or readjust the sensitivity setting
Yellow LED does not turn on. 1) Dirty sensor and/or reflector.
2) Reflector and/or sensor is misaligned.
1) Clean the sensor and reflector with a
damp (not wet) cloth.
2) Adjust the reflector and/or sensor for
proper alignment.
Red LED lights when object is detected, but no output No continuity between sensor and alarm
Check cable from sensor to alarm device. Test sensor.

Why buy Certified?

Certified Alarm Distributors - Top USA Reseller Certified Alarm Distributors - Your team of experts Certified Alarm Distributors - Easy 30 day returns
Top USA Reseller
Trusted since 1976
Your Team of Experts
Pro Help when you need it
Easy 30 Day Returns
Satisfied or refunded

Secure Checkout With

American Express Apple Pay Diners Club Discover Meta Pay Google Pay Mastercard Shop Pay Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

You may also like

Recently viewed