Eaton FNQ-R-7-1/2 Fuse - 200 kAIC Class CC Current-Limiting
Part Number: FNQ-R-7-1/2
Quick Summary
The Eaton FNQ-R-7-1/2 fuse provides current-limiting overload protection for small control circuits and transformers. Engineers often battle nuisance trips and undersized interrupting ratings in compact panel layouts. It is CE marked and RoHS compliant, aligning with global safety and environmental standards. With a high interrupt rating and time-delay features, it helps reduce downtime while simplifying spare part inventories. Designed for line protection in industrial control, branch circuits, and small transformers, it supports reliable, efficient operation and compliance. This combination of performance and compact form factor lowers panel costs and boosts overall equipment reliability.
Product Information
Extended Description
FNQ-R-7-1/2 Eaton: Eaton Bussmann Series Class CC fuse, FNQ, time-delay, dual-element current limiting fuse, 7.5 A, rejection style fuse, interrupting rating of 200kA at 600Vac
Product Name
Eaton Bussmann series FNQ-R fuse
Catalog Number
FNQ-R-7-1/2
UPC
051712147118
EAN
5027590510691
Product Length/Depth
0.41 in
Product Height
1.5 in
Product Width
0.41 in
Product Weight
0.15 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Type
Current-limiting high inrush time-delay fuse
Special features
Rejection style
Application
Line protection, small control transformers, industrial control, branch circuits
Amperage Rating
7.5 A
Class
Class CC
Interrupt rating
200 kAIC
Fuse indicator
Non-indicating
Connection
Ferrule end x ferrule end
Response time
12 sec at 200%
Material
Melamine tube
Packaging type
Standard
Voltage rating
600 V
Bussmann Full Line Catalog
Bussmann Full Line Catalog
RoHS Search Tool
Bussmann series Fuseology
Bussmann series FNQ-R Class CC Fuse Data Sheet No. 1014
Feature: Current-limiting high inrush time-delay design. Benefit: Minimizes fault energy and nuisance trips, enabling safer startup of small loads. Application: Line protection in industrial control panels and small transformers. Feature: Rejection style construction. Benefit: Prevents incorrect replacements, reducing maintenance errors and downtime. Application: Harsh environments where only the exact FNQ-R fits, improving install confidence. Feature: 7.5 A, 600 V rating with 200 kAIC interrupt capacity. Benefit: Higher fault withstand and safer shutdown for branch circuits and control circuits. Application: Industrial machinery circuits and compact transformers that demand robust protection. Feature: Ferrule end x ferrule end connections with a compact form factor. Benefit: Easy, reliable installation in space-constrained panels and standardized fuse holders. Application: Control panels, power distribution blocks, and equipment enclosures. Feature: Non-indicating indicator and standard packaging. Benefit: Simplified stock management and straightforward replacement workflows. Application: Routine maintenance regimes in production lines. Feature: Compliance and materials: melamine tube, CE RoHS compliant. Benefit: Meets safety and environmental requirements while delivering consistent performance. Application: Global deployments and regulated industries.
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FAQs
The FNQ-R-7-1/2 uses ferrule end x ferrule end terminations, which fit standard fuse holders designed for Class CC devices. Ensure the holder is rated for 600 V and a 200 kAIC interrupt rating, then seat the fuse fully to establish a secure electrical and mechanical connection. Verify the mechanism is a rejection style to prevent incorrect parts from being installed.
Key specs include 7.5 A amperage rating, 600 V voltage rating, and a 200 kAIC interrupt rating. It is a time-delay fuse suitable for high inrush conditions, with a 12-second response time at 200% of rated current, helping to balance protection with inrush tolerance in industrial circuits.
Yes. Its Class CC designation, current-limiting behavior, and 200 kAIC interrupt rating are appropriate for line protection in small control transformers, industrial control panels, and branch circuit applications. Its compact dimensions and ferrule terminations streamline installation in space-constrained enclosures.
The fuse is CE marked and RoHS compliant, signaling compliance with essential safety and environmental standards for European and global deployments. These certifications support regulator-approved installations and help ensure risk mitigation in regulated industries.
The FNQ-R-7-1/2 reduces nuisance trips and provides reliable protection with a high interrupt rating, lowering downtime and repair costs. Its rejection-style design minimizes incorrect replacements, improving maintenance efficiency and spare-part planning in production environments.