Eaton FNQ-R-25 Fuse - Class CC 200 kAIC
Part Number: FNQ-R-25
Quick Summary
The Eaton FNQ-R-25 fuse provides fast-acting current-limiting protection for industrial control circuits. Its time-delay, dual-element design minimizes nuisance trips during motor starts and small transformer energizations while preserving robust fault protection. CE marked and RoHS compliant, this Bussmann Series device helps meet EU safety and environmental requirements, simplifying compliance documentation. With a 25 A rating, 600 V rating, and 200 kAIC interrupt capability in a Class CC package, the FNQ-R-25 is well-suited for line protection, small control transformers, and branch circuits. By selecting this protection fuse, engineers reduce downtime and spare-part complexity, while maintaining reliable operation in demanding industrial environments.
Product Information
Extended Description
FNQ-R-25 Eaton: Eaton Bussmann Series Class CC fuse, FNQ, time-delay, dual-element current limiting fuse, 25 A, rejection style fuse, interrupting rating of 200kA at 600Vac
Product Name
Eaton Bussmann series FNQ-R fuse
Catalog Number
FNQ-R-25
UPC
051712497138
EAN
5027590449724
Product Length/Depth
1.5 in
Product Height
0.41 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
25 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
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Bussmann series Fuseology
Bussmann series FNQ-R Class CC Fuse Data Sheet No. 1014
Feature: 25 A amperage rating provides precise protection for common industrial loads. Business impact: helps prevent nuisance trips from small overloads while guarding equipment against sustained faults. Application: ideal for line protection, small control transformers, and branch circuits in manufacturing facilities. The FNQ-R-25 integrates into standard Bussmann Series protection schemes, supporting scalable protection architectures. Feature: 600 V voltage rating expands compatibility with industrial control panels and motor circuits operating at medium voltage levels. Business impact: enables a single-fuse solution across mixed equipment without voltage derating. Application: suitable for 600 V control panels and branch circuits in factory automation. Feature: 200 kAIC interrupt rating delivers high fault-current withstand capability. Business impact: reduces the risk of upstream damage and costly downtime during short-circuits. Application: plants with high fault currents or dense wiring looms benefit from this robust rating. Feature: time-delay, dual-element design manages inrush currents while maintaining rapid fault interruption. Business impact: minimizes startup interruptions for motors and transformers, improving line uptime. Application: effective in controllers and loads with brief inrush events. Feature: rejection style, ferrule end x ferrule end construction reduces mis-parts and ensures secure panel connections. Business impact: streamlines installation and inventory management, lowering labor costs. Application: simplifies field replacement and aligns with standard terminal practices. Feature: CE Marked and RoHS compliant with standard packaging and Bussmann Series branding. Business impact: supports regulatory compliance and environmental stewardship while enabling consistent procurement. Application: aligns with European market requirements and global supply chains.
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FAQs
Install the FNQ-R-25 using ferrule-end terminals to match standard panel hardware. Verify the panel is rated for 600 V and ensure proper clearance and safe isolation during replacement. Use the rejection-style design to prevent incorrect substitutions, and follow typical Bussmann Series installation practices to maintain coordination with upstream protection.
The FNQ-R-25 features a 200 kAIC interrupt rating, enabling it to safely interrupt high fault currents typical of industrial power and control circuits. This rating supports robust protection for line protection, transformers, and branch circuits in demanding environments.
Yes. The fuse is designed for line protection, small control transformers, and industrial control circuits. With a 25 A rating and 600 V operation, it comfortably handles startup surges while providing reliable fault interruption, reducing downtime and extending equipment life in manufacturing and automation setups.
Yes. The FNQ-R-25 is CE marked and RoHS compliant, aligning with EU safety and environmental requirements. This simplifies regulatory documentation and streamlines procurement for projects targeting European markets and environmentally responsible operations.
The FNQ-R-25 offers time-delay operation with a defined response characteristic of 12 seconds at 200% of rated current, balancing inrush tolerance for motors and transformers with reliable fault interruption. This behavior supports smoother startups while maintaining protection in branch circuits and small control loads.