EMX-5255-2 NIR-50-325 Retro Reflective Photo Eyes 50 Foot Range
This retro reflective photo eye sensor delivers dependable entrapment protection for gates overhead doors and barrier systems. Designed for monitored safety circuits it supports internal 10K resistance and flexible AC or DC power input. Adjustable sensitivity LED alignment indicators and a compact IP66 rated housing make installation straightforward in outdoor environments. The extended detection range enhances safety performance while maintaining fast response times for reliable obstruction detection.
- Retro reflective safety sensor with extended fifty foot detection range
- Supports monitored operation using internal ten K resistor
- Wide voltage compatibility for AC and DC systems
- Weather resistant IP66 enclosure for outdoor installations
- Compact design with LED indicators for easy alignment
Extended 50' sensing range ideal for gates, barriers, and overhead doors requiring entrapment protection.
Retroreflective configuration with included reflector and hood simplifies installation and alignment.
Compliant with UL325-2018 standards, supporting monitored operation with internal 10K resistor.
Features flexible voltage support (12–30 VDC, 24–30 VAC), ensuring broad compatibility with various systems.
Offers sensitivity adjustment via potentiometer to fine-tune detection distance and reliability.
Watertight IP66-rated enclosure protects the sensor for dependable outdoor performance in all weather conditions.
Compact design (2.6" H x 1.3" L x 0.8" W) allows for discreet mounting on gate or fence structures.
Equipped with dual LED indicators for signal stability (yellow) and alignment (red), easing setup and diagnostics.
Fast response time of 10ms enhances safety by quickly detecting obstructions.
Includes a 6.5-foot, 5-wire cable for easy electrical connections and flexible installation options.
Relay output with Form C contacts (NO, COM, NC) rated at 30VAC/VDC, 2A supports standard integration.
Kit version includes photoeye with hood, reflector with hood, and mounting bracket with hardware for complete setup.
Withstands operating temperatures from -4°F to 131°F, making it suitable for harsh environments.
CE certified and designed for long-term reliability in residential, commercial, and industrial settings.
Not compatible with gate operators using NO and COM (non-10K) monitoring methods, ensuring specific system integration.
| MODEL NAME | EMX 5255 NIR-50-325 Retro-Reflective Photo Eyes - 50' |
| OPERATING RANGE | 0.5ft (0.1m) — 50ft (15.2m) |
| SENSITIVITY ADJUSTMENT | Potentiometer |
| SIGNAL STABILITY INDICATOR | Yellow LED |
| ALIGNMENT INDICATOR | Red LED |
| RELAY OUTPUT | Form C contacts (NO, COM, NC), 30VAC/VDC, 2A |
| RESISTIVE TERMINATION | 10k Ohm (internal) |
| RESPONSE TIME | 10ms |
| POWER SUPPLY | 12–30VDC, 24–30VAC @ 60Hz |
| CURRENT DRAW | 83mA |
| OPERATING TEMPERATURE | -4°F — 131°F (-20°C — 55°C) |
| ENVIRONMENTAL PROTECTION | IP66 IEC |
| DIMENSIONS | 1.3" (33mm) x 0.8" (21mm) x 2.6" (66mm) |
| CONNECTIONS | 5 wires, 6.5' (2m) cable |
| CERTIFICATIONS | CE, UL325-2018 |
| ENCLOSURE | Watertight, outdoor-rated |
| INDICATOR LEDS | 2 (Yellow & Red) |
| INSTALLATION KIT INCLUDES | Photoeye with hood, reflector with hood, mounting bracket with hardware |
| MONITORING TYPE | NC and 10K monitoring |
| COMPLIANCE | UL325-2018 compliant |
| APPLICATION | Entrapment protection for gates, barriers, and overhead doors |
| COMPATIBILITY | Not compatible with NO/COM-only (non-10K) monitoring operators |
| VOLTAGE RANGE | Flexible: 12-30 VDC, 24-30 VAC |
| WARRANTY | 2-Year Limited Manufacturer Warranty |
EMX 5255 NIR-50-325 Retro-Reflective Photo Eyes from Alfa Iris offer advanced entrapment protection for gates, overhead doors, and barriers. Designed for long-range performance up to 50 feet, this sensor ensures reliable safety monitoring with an internal 10K resistor for UL325-2018 compliance. The retroreflective configuration allows for simplified installation with only one side powered and the other a reflector.
Reliable Safety Monitoring with Simplified Setup
The NIR-50-325 photoeye comes in a compact, weather-resistant housing rated at IP66, making it ideal for outdoor use in all weather conditions. Featuring LED indicators for alignment and signal status, along with sensitivity adjustment via a potentiometer, the unit supports flexible voltage operation from 12–30VDC or 24–30VAC. Choose between the photoeye only or the complete kit with hooded reflector and mounting hardware.
- 50-foot detection range
- Retroreflective design (photoeye and reflector)
- UL325-2018 compliant with 10K monitoring
- IP66-rated watertight enclosure
- Sensitivity adjustment and dual LED indicators
- Compact size and easy alignment
Flexible Voltage and Durable Design
Ideal for new installations or upgrades, the EMX 5255 NIR-50-325 operates reliably in a wide temperature range and includes a 6.5-foot connection cable. It supports both Form C relay outputs and internal resistive termination, making it compatible with most monitored systems that require NC and 10K configurations (not compatible with NO/COM systems).
- Gates and barrier arms
- Commercial and industrial overhead doors
- Access-controlled entry systems
Installers and safety professionals trust the EMX 5255 NIR-50-325 from Alfa Iris for dependable photoeye detection in secure access environments. Available in single-unit or full kit configurations to meet site-specific needs.
Technical Specifications
- Model: NIR-50-325
- Operating Range: 0.5 ft – 50 ft (15.2 m)
- Voltage: 12–30 VDC / 24–30 VAC
- Current Draw: 83 mA
- Relay Output: Form C (NO, COM, NC), 2A
- Resistor: Internal 10k Ohm
- Response Time: 10 ms
- Indicators: Yellow (signal), Red (alignment)
- Housing: IP66, weather-resistant
- Dimensions: 2.6" x 0.8" x 1.3"
- Cable: 6.5 ft, 5 wires
- Certifications: CE, UL325-2018
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