Eaton EAFR-08-45 Arc Flash Relay - High Temp Glass Fiber
Part Number: EAFR-08-45
Quick Summary
Eaton arc flash relay detects arc flashes to quickly isolate energized equipment in switchgear and panels. Many facilities suffer nuisance trips and costly downtime when arc events are not identified fast enough, jeopardizing personnel safety and productivity. The device carries UL Recognized and cUL Recognized certifications, supporting regulatory compliance and safer procurement in North America. Built around a high-temperature glass fiber sensor with a 45 m fiber loop, it delivers broad detection coverage even in harsh environments. By combining fiber optics sensing with reliable protection logic, it helps you meet safety standards while reducing maintenance costs and unplanned outages. This makes it a practical, scalable solution for electrical rooms, substations, and OEM projects seeking dependable arc flash protection.
Product Information
Extended Description
EAFR-08-45 Eaton: Arc Flash Relay Sensor, High temperature glass fiber sensor, 45m
Product Name
Eaton arc flash relay fiber loop sensor
Catalog Number
EAFR-08-45
UPC
786685998350
Product Length/Depth
8.46 in
Product Height
2.87 in
Product Width
7.87 in
Product Weight
0.25 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Recognized cUL Recognized
Special features
45m (147.64 ft)
Type
High temperature glass fiber sensor
Product Category
Arc Flash Relay
Fiber loop length
45m
Fiber loop sensor material
Glass, High-Temperature
Light sensing type
Fiber
Sensitivity
8000 Lux
Feature → Business Impact → Application: The 45 m fiber loop provides expansive sensing coverage around switchgear and feeders, enabling faster arc detection and reducing the risk of spurious trips that disrupt production lines. This translates to lower unplanned downtime and improved equipment availability in manufacturing and process facilities. Application: suited for large switchgear assemblies, motor control centers, and substation panels where broad optical sensing minimizes gaps in detection. Feature → Business Impact → Application: High-temperature glass fiber sensor construction enhances reliability in hot, electrical environments, resisting degradation near busbars and power feeds. Business impact includes reduced maintenance costs and longer sensor life in harsh installations. Application: ideal for retrofit projects in existing installations where ambient temperatures are elevated. Feature → Business Impact → Application: 8000 Lux light sensitivity ensures robust arc detection even in reflective or challenging light conditions, improving detection accuracy and safety margins. Business impact includes fewer missed events and more consistent protective response. Application: switchgear and MCC environments with complex lighting profiles. Feature → Business Impact → Application: Compact footprint of 8.46 in × 7.87 in × 2.87 in and light weight (0.25 lb) simplify retrofit and panel integration, reducing installation time and enclosure modification. Business impact includes lower labor costs and faster project turnover. Application: retrofits in space-constrained electrical rooms and panels. Feature → Business Impact → Application: UL Recognized and cUL Recognized certifications strengthen supplier qualification, compliance, and risk management during procurement. Business impact includes smoother audits and aligned safety standards across NA facilities. Application: new builds and upgrades in industrial sectors demanding formal certification. Feature → Business Impact → Application: 45 m fiber loop length and fiber loop sensor materials (high-temperature glass) provide compatibility with Eaton protection schemes, enabling cohesive system-wide arc protection strategies. Business impact includes integrated protection logic, simplified maintenance, and improved overall safety posture. Application: comprehensive protection schemes in factory floors, data centers, and critical infrastructure.
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FAQs
Installation should begin with planning the 45 m fiber loop route to maximize coverage around busbars and feeders. Use the compact 8.46 in × 7.87 in × 2.87 in footprint to fit within available enclosure space and ensure proper cable management. Verify UL/cUL compliance and follow Eaton installation guidelines to avoid calibration drift and ensure reliable sensing.
Key specs include a 45 m fiber loop length for broad coverage, 8000 Lux light sensitivity for reliable arc detection, and a high-temperature glass fiber sensor type. Dimensions are 8.46 in long, 2.87 in tall, and 7.87 in wide with a 0.25 lb weight. Certifications include UL Recognized and cUL Recognized, supporting North American compliance.
Yes. The EAFR-08-45 is categorized as an Arc Flash Relay and is designed to integrate with Eaton protection schemes, offering a cohesive protection strategy. The 45 m fiber loop and high-temperature sensing are tailored for switchgear, MCCs, and other Eaton-compatible panels, simplifying retrofits and new installations alike.
The product carries UL Recognized and cUL Recognized certifications, indicating safety and performance compliance for North American electrical installations. These certifications streamline procurement, supplier qualification, and audit readiness, which is critical for regulated industries and high-uptime facilities.
The device warranty covers one year from installation or eighteen months from shipment, whichever comes first. This reduces risk during project commissioning and supports total cost of ownership planning by offsetting maintenance and replacement expenses tied to arc protection.