Description
The SECO-LARM E-931-S45RRQ Reflective Photoelectric Beam Sensor is a compact, weatherproof photoeye designed for gate operators, overhead doors, vehicle detection, access control systems, and perimeter security applications. Utilizing retro-reflective sensing technology, this sensor requires wiring only at the sensor location, simplifying installation while providing dependable object detection up to 45 feet away.
The E-931-S45RRQ operates by transmitting an infrared beam toward the included reflector. When a vehicle, pedestrian, or object interrupts the beam path, the sensor activates its relay output to trigger gate, door, alarm, or automation functions. Its compact design makes it ideal for installations where space is limited while still delivering professional-grade performance.
Designed for demanding indoor and outdoor environments, the sensor features an IP66 weatherproof housing, adjustable sensing range, programmable response times, and wide operating voltage compatibility from 12-250 VAC/VDC. Integrated LED indicators simplify setup and diagnostics, making alignment and troubleshooting quick and efficient.
Key Features
- Retro-reflective photoelectric beam sensor
- Up to 45 ft sensing range
- Includes reflector for simplified installation
- Compact sensor design for tight mounting locations
- IP66 weatherproof construction
- Adjustable response time (5-100ms)
- Adjustable sensing range
- SPDT relay output (NO/NC/COM)
- Wide voltage input: 12-250 VAC/VDC
- Alignment and trigger status LEDs
- Mounting bracket and hardware included
- Indoor and outdoor rated
Ideal Applications
- Automatic gate operators
- Swing and slide gate systems
- Garage door safety systems
- Vehicle detection
- Access control installations
- Parking facilities
- Industrial automation
- Perimeter protection
- Entry notification systems
Specifications
- Sensing Range: 0.5-45 ft (0.2-14m)
- Operating Voltage: 12-250 VAC/VDC
- Current Draw: 70mA Active / 55mA Standby @12VDC
- Response Time: Adjustable 5-100ms
- Relay Output: SPDT (NO/NC/COM)
- Switching Capacity: 3A @120VAC / 3A @30VDC
- Protection Rating: IP66
- Operating Temperature: -4°F to 131°F (-20°C to 55°C)
What's Included
- E-931-S45RRQ Sensor
- Reflector
- Mounting Bracket
- Mounting Hardware
- Pre-wired 6.5 ft Cord
Why Buy From GatePoint Solutions?
GatePoint Solutions supplies contractor-grade gate safety devices, photoeyes, access control products, and perimeter security equipment backed by expert support and fast shipping. We help installers, property managers, and homeowners find the right sensing solutions for safe and reliable gate operation.

