EMX 5255-K NIR-50-325 Retro-Reflective Photo Eye Kit for Door and Gate Safety
The NIR-50-325 retro-reflective photo eye kit delivers reliable entrapment protection for overhead doors, gates, and barrier systems. Designed for monitored safety applications, it supports a long 50-foot operating range and includes internal 10K monitoring for compliance with modern safety standards. Flexible AC and DC voltage operation, clear LED indicators, and adjustable sensitivity make installation straightforward. The watertight, compact housing ensures dependable performance in demanding indoor and outdoor environments.
- Retroreflective photo eye kit for door and gate safety protection
- Extended 50 foot sensing range for wide installations
- Internal 10K monitored output for compliant safety systems
- Wide voltage support with adjustable sensitivity control
- Weather-resistant housing for indoor and outdoor use
Delivers a 50-foot operating range for reliable entrapment protection in overhead doors, gates, and barrier systems.
Features a retroreflective configuration with included reflector and mounting hardware for simplified installation.
Compliant with UL325-2018 standards, ensuring safety and reliability in monitored access systems.
Equipped with an internal 10K Ohm resistor for NC and 10K monitoring compatibility.
Includes a potentiometer-based sensitivity adjustment for fine-tuning detection range.
Offers flexible voltage operation: 12–30 VDC and 24–30 VAC, accommodating various power setups.
Housed in a watertight IP66-rated enclosure for dependable outdoor performance in harsh environments.
Built-in LED indicators (red for alignment, yellow for signal stability) simplify setup and troubleshooting.
Compact and low-profile design (2.6" x 0.8" x 1.3") enables installation in tight spaces.
Kit includes photoeye with hood, reflector with hood, and mounting bracket for a complete setup solution.
Supports Form C relay output (NO, COM, NC) rated at 30VAC/VDC, 2A for integration with a wide range of systems.
Fast 10ms response time ensures quick detection and reaction to obstructions.
Supplied with a 6.5-foot cable and 5-wire connection for straightforward wiring.
Operates reliably in extreme temperatures from -4°F to 131°F (-20°C to 55°C).
Certified with CE and UL325-2018 markings for industry-standard compliance.
| MODEL NAME | EMX 5255-K NIR-50-325 Retro-Reflective Photo Eye |
| KIT COMPONENTS | Photoeye with hood, reflector with hood, mounting bracket with hardware |
| OPERATING RANGE | 0.5ft (0.1m) — 50ft (15.2m) |
| CONFIGURATION | Retroreflective |
| 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 | 12 — 30VDC, 24 — 30VAC @ 60 Hz |
| CURRENT DRAW | 83mA |
| OPERATING TEMPERATURE | -4° — 131°F (-20° — 55°C) |
| ENVIRONMENTAL PROTECTION | IP 66 IEC |
| DIMENSIONS | 1.3" (33mm) x 0.8" (21mm) x 2.6" (66mm) |
| LEAD WIRE | 6 feet |
| CONNECTIONS | 5 wires, 6.5' (2m) cable |
| MONITORING COMPATIBILITY | NC and 10K monitoring only; not compatible with NO and COM |
| LED INDICATORS | 2 (Yellow and Red) |
| DESIGN | Compact design, watertight package |
| VOLTAGE RANGE | Flexible: 12-30 VDC, 24-30 VAC |
| MOUNTING | Bracket with hardware included |
| APPLICATION | Entrapment protection for overhead doors, gates, and barriers |
| COMPLIANCE | UL325-2018 compliant |
| CERTIFICATIONS | CE, UL325-2018 |
EMX 5255-K NIR-50-325 Retro-Reflective Photo Eye Kit from Alfa Iris delivers extended-range photoeye sensing for enhanced entrapment protection on overhead doors, gates, and barriers. Featuring a 50-foot operating range and retroreflective configuration, this kit meets UL325-2018 compliance and supports reliable monitored operation with an internal 10K resistor.
Advanced Safety with Flexible Installation
Built for rugged performance, the NIR-50-325 offers a watertight design for outdoor durability, and easy alignment via red and yellow LED indicators. Its compact profile and broad voltage compatibility allow for flexible integration in a wide range of security applications. The kit includes a photoeye with hood, reflector with hood, and mounting bracket with hardware—ready for immediate installation.
- 50-foot sensing range
- Retroreflective configuration for simple alignment
- UL325-2018 compliant with 10K monitored resistor
- Red and yellow LED indicators for alignment and signal
- Waterproof housing (IP66 rated)
- Potentiometer sensitivity adjustment
Versatile, Compact, and Reliable
Operating on 12–30VDC or 24–30VAC, this sensor is ideal for commercial gate operators and barrier systems. With its Form C relay outputs (NO, COM, NC), compact 2.6" housing, and 6.5’ lead cable, the EMX NIR-50-325 is designed for quick and efficient setup. Note: not compatible with operators using NO and COM (non-10K) monitoring methods.
- Entrapment protection for gates, barriers, and doors
- Flexible installation in residential and commercial setups
- Ideal for UL325-compliant monitored systems
Security professionals seeking reliable and easy-to-install photoeye kits can count on the NIR-50-325 from Alfa Iris to deliver precise performance and long-term durability.
Technical Specifications
- Model: EMX 5255-K NIR-50-325
- Operating Range: 0.5 ft – 50 ft (15.2 m)
- Sensitivity Adjustment: Potentiometer
- LED Indicators: Yellow (signal), Red (alignment)
- Relay Output: Form C (NO, COM, NC), 30VAC/VDC, 2A
- Resistive Termination: 10k Ohm (internal)
- Response Time: 10 ms
- Power Input: 12–30VDC, 24–30VAC @ 60 Hz
- Current Draw: 83 mA
- Operating Temp: -4°F to 131°F (-20°C to 55°C)
- Environmental Rating: IP66
- Dimensions: 1.3" x 0.8" x 2.6"
- Cable: 5 wires, 6.5 ft (2 m)
- Certifications: CE, UL325-2018
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