IRB-MON Universal Safety Photo Beam Monitored UL325 2016 NEMA 4X Replacement Sensor Kit
Upgrade automatic gate and door safety systems with the IRB MON Universal Safety Photo Beam. Designed to meet UL325 2016 monitoring requirements, this monitored photo beam provides dependable obstacle detection for new installations and retrofit applications. The NEMA 4X rated housing offers reliable protection against harsh outdoor environments, making it suitable for residential, commercial, and industrial access control systems. Compatible with a wide range of monitored operators, this safety beam delivers consistent performance in rain, sunlight, fog, and other demanding weather conditions. Alfa Iris LLC is a trusted provider of professional CCTV surveillance and smart security systems, delivering advanced solutions for industrial, commercial, and high-security environments.
- Monitored safety photo beam for UL325 2016 compliant operators
- NEMA 4X enclosure withstands harsh outdoor environments
- Ideal replacement for older monitored photo beam installations
- Compatible with many automatic gate and door systems
- Reliable obstacle detection for enhanced operational safety
Compatible replacement for the EMX IRB-4X, with the updated IRB-MON design that meets UL325-2016 safety requirements for gate and door operator systems.
Designed for retrofit installations, making it easy to replace older IRB-4X photo beams while maintaining reliable safety protection.
NEMA 4X rated housing provides excellent resistance to rain, dust, corrosion, and harsh outdoor environments.
Monitored safety photo beam technology enhances operator safety by detecting obstructions and helping prevent accidental gate closure.
Suitable for use with automatic gate operators and compatible access control systems requiring monitored photo eyes.
Durable weather-resistant construction delivers dependable performance in demanding residential, commercial, and industrial installations.
Compact transmitter and receiver design simplifies mounting while maintaining accurate beam alignment.
Engineered for continuous outdoor operation, providing reliable obstruction detection in varying weather conditions.
Ideal for upgrading older gate safety systems to comply with modern monitored photo beam requirements.
Helps improve overall gate safety by interrupting gate movement when the infrared beam is blocked.
Built by EMX, a trusted manufacturer of gate and access control safety devices known for dependable performance.
Designed for long-lasting, low-maintenance operation, reducing service calls and supporting reliable automatic gate performance.
| MODEL NAME | EMX IRB-MON Universal Safety Photo Beam UL325-2016 NEMA 4X |
| BRAND | EMX |
| PART NUMBER | IRB-MON |
| REPLACEMENT MODEL | IRB-4X / IRB-4X-2 Compatible Replacement |
| PRODUCT TYPE | Monitored Safety Photo Beam Kit |
| APPLICATION | Automatic gates and garage door safety systems |
| UL COMPLIANCE | UL325-2016 |
| ENCLOSURE RATING | NEMA 4X |
| INSTALLATION TYPE | Surface mount |
| SYSTEM TYPE | Through-beam infrared safety sensor |
| SENSOR TYPE | Infrared photoelectric transmitter and receiver |
| MONITORED OUTPUT | Yes |
| RETROFIT COMPATIBILITY | Suitable for older installations |
| GATE COMPATIBILITY | Swing and sliding gate operators |
| GARAGE DOOR COMPATIBILITY | Compatible with monitored garage door systems |
| SAFETY FUNCTION | Obstacle detection |
| OPERATING PRINCIPLE | Interrupting infrared beam triggers safety response |
| WEATHER RESISTANCE | Designed for outdoor environments |
| OUTDOOR USE | Yes |
| INDUSTRIAL USE | Yes |
| COMMERCIAL USE | Yes |
| RESIDENTIAL USE | Yes |
| COLOR | Dark Gray |
| ITEM WEIGHT | 2.09 lb (0.95 kg) |
| PACKAGE LENGTH | 12.8 in |
| PACKAGE WIDTH | 4.29 in |
| PACKAGE HEIGHT | 3.23 in |
| PACKAGE QUANTITY | 1 |
| MODEL NUMBER | TRTAZ11A |
| ASIN | B00TJ7ATHO |
| DATE FIRST AVAILABLE | November 3, 2016 |
| POWER REQUIREMENT | Compatible with monitored operator systems |
| SAFETY STANDARD | UL325 monitored photo beam requirements |
| DETECTION METHOD | Infrared beam interruption |
| INSTALLATION ENVIRONMENT | Indoor / Outdoor |
| HOUSING | Durable weather-resistant enclosure |
| MOUNTING ORIENTATION | Vertical or horizontal as required |
| SYSTEM MONITORING | Continuous monitored safety operation |
| APPLICATIONS | Vehicle gates, access control, garage doors |
| FAIL-SAFE FUNCTION | Stops or reverses operator when beam is interrupted |
| OBSTACLE PROTECTION | Yes |
| ACCESS CONTROL COMPATIBILITY | Yes |
| UPGRADE PURPOSE | Replacement for discontinued IRB-4X models |
| KIT CONTENTS | Transmitter and receiver photo beam set |
| MAINTENANCE | Low maintenance |
| INSTALLATION DIFFICULTY | Standard professional installation recommended |
| DURABILITY | Heavy-duty construction |
| OPERATING ENVIRONMENT | All-weather outdoor operation |
| PRODUCT CATEGORY | Garage Door & Gate Safety Hardware |
| BEST USE | Automatic gate safety monitoring |
| MANUFACTURER | EMX |
| COUNTRY OF SALE | United States |
| PACKAGE CONTENT | 1 Safety Photo Beam Kit |
EMX IRB-MON Universal Safety Photo Beam is a monitored thru-beam photoeye kit designed to enhance the safety and reliability of automatic gates and garage door systems. Engineered to meet UL325-2016 safety requirements, the IRB-MON replaces older IRB-4X photoeyes while providing dependable obstacle detection for both new installations and retrofit applications. Its rugged NEMA 4X-rated housing delivers long-lasting performance in demanding outdoor environments.
Reliable Safety Performance for Automatic Gates
The IRB-MON transmitter and receiver kit continuously monitors the beam path to detect vehicles, pedestrians, or other obstructions, helping prevent accidental gate or door closure. Built for professional access control installations, it offers dependable operation in rain, fog, direct sunlight, and other challenging weather conditions.
- UL325-2016 monitored safety photo beam
- Direct replacement for older EMX IRB-4X systems
- NEMA 4X weather-resistant enclosure for outdoor use
- Thru-beam infrared technology for accurate obstacle detection
- Ideal for automatic gates and garage door operators
Easy Integration for New and Retrofit Installations
Designed for compatibility with a wide range of gate and door operators, the EMX IRB-MON simplifies upgrades from legacy photoeye systems while meeting current safety standards. Its compact design allows installation in existing applications where dependable monitored safety sensors are required.
- Automatic sliding and swing gate operators
- Commercial and residential garage door systems
- Access control installations requiring monitored safety devices
- Retrofit projects replacing EMX IRB-4X photoeyes
Installers and facility managers can rely on the EMX IRB-MON Universal Safety Photo Beam for dependable performance, enhanced safety compliance, and reliable operation in outdoor environments. It is an excellent choice for professional gate automation and access control applications.
Technical Specifications
- Model: IRB-MON
- Manufacturer: EMX
- Sensor Type: Monitored Infrared Thru-Beam Photoeye Kit
- Safety Standard: UL325-2016 Compliant
- Replacement For: EMX IRB-4X
- Enclosure Rating: NEMA 4X
- Application: Automatic Gates and Garage Door Operators
- Installation: New installations and retrofit applications
- Outdoor Rated: Yes





