Eaton EAFR-07-40 Arc Flash Relay Sensor - Glass Fiber UL
Part Number: EAFR-07-40
Quick Summary
The Eaton arc flash relay fiber loop sensor detects arcs quickly for switchgear and MCC protection. Unreliable protection or nuisance trips disrupt production and complicate maintenance planning. Certified UL Recognized and cUL Recognized, these safety marks support compliant, global deployment. Designed around a glass fiber sensing approach with a 40 m fiber loop, it delivers reliable arc detection with minimal cabling footprint, helping integrators achieve faster commissioning and safer operations.
Product Information
Extended Description
EAFR-07-40 Eaton: Arc Flash Relay Sensor, Glass fiber sensor, 40m
Product Name
Eaton arc flash relay fiber loop sensor
Catalog Number
EAFR-07-40
UPC
786685998107
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
40m (131.23 ft)
Type
Glass fiber sensor
Product Category
Arc Flash Relay
Fiber loop length
40m
Fiber loop sensor material
Glass
Light sensing type
Fiber
Sensitivity
8000 Lux
Feature: 40 m fiber loop length enables broad coverage across large switchgear and motor control centers. Business Impact: expands detection reach with fewer remote sensors, reducing wiring complexity and installation time. Application: ideal for large-panel architectures and retrofits where a long sensing path is required. Feature: Glass fiber sensor and fiber-based light sensing type. Business Impact: immunity to EMI/RFI and rugged performance in challenging industrial environments, lowering false trips and maintenance needs. Application: proven in automated facilities with high electrical noise. Feature: Sensitivity of 8000 Lux. Business Impact: early arc detection under varied lighting and ambient conditions, accelerating response times and improving operator safety. Application: critical in environments with fluctuating light levels and reflective surfaces. Feature: Certifications UL Recognized and cUL Recognized. Business Impact: simplifies procurement and regulatory alignment across North America and global sites. Application: supports compliant deployment in safety-critical systems. Feature: Lightweight, compact footprint (8.46 in L x 7.87 in W x 2.87 in H) and 0.25 lb weight. Business Impact: easy integration into existing enclosures with minimal strain on cabinet space. Application: flexible installation in crowded switchgear bays. Insight: The combination of a 40 m glass fiber loop and 8000 Lux sensitivity delivers reliable protection with reduced total cost of ownership over traditional arc detection methods.
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FAQs
Installation involves mounting the unit in the cabinet, routing the 40 m glass fiber loop around the protected components, and wiring per Eaton's specification sheet. The long loop length reduces the need for multiple sensors, while UL/cUL recognition supports quick regulatory approval. Ensure exposure to-safe mounting, proper termination, and verification with the provided datasheet.
Yes. The fiber loop sensor provides a flexible sensing method designed for integration into common switchgear and MCC enclosures. Its compact dimensions and light-sensing fiber reduce wiring complexity, while UL Recognized and cUL Recognized certifications facilitate cross-border procurement and compliance.
The 40 m loop length enables arc detection across larger panels, and the 8000 Lux sensitivity ensures reliable sensing under varied ambient lighting. This combination supports rapid arc fault detection with fewer false trips, improving uptime and safety in high-demand industrial environments.
The EAFR-07-40 is UL Recognized and cUL Recognized, confirming compliance with safety standards in North America. These certifications simplify procurement, accelerate approvals for safety-critical installations, and support international deployment in facilities requiring certified arc protection.
Expected ROI comes from reduced nuisance trips and downtime due to faster arc detection, improved safety compliance, and lower maintenance costs. The product’s compact form factor and 40 m loop simplify installation, while recognized certifications minimize procurement risk and support long-term operational savings.