Eaton FRN-R-1 Fuse - RK5 Time-Delay, 200 kAIC
Part Number: FRN-R-1
Quick Summary
The Eaton FRN-R-1 fuse provides time-delay current protection for industrial power and control circuits. This design helps panels withstand normal motor inrush and avoid nuisance trips during start-up. The FRN-R RK5 fuse offers CE marking and Class RK5 protection, paired with dual-element construction for reliable interruption under fault conditions. With an interrupt rating up to 200 kAIC at 250 VAC and 20 kAIC at 125 VDC, it delivers robust protection for mixed AC/DC systems. The compact 2 in length with ferrule-end connections makes it easy to install in standard fuse holders, while the 1 A rating supports precise protection of control circuits and small loads. In practice, this translates to improved equipment uptime and easier compliance in panel assemblies.
Product Information
Extended Description
FRN-R-1 Eaton: Eaton Bussmann Series Class RK5 fuse, FRN-R, time-delay, dual-element, current limiting fuse, 1 A, non-indicating fuse, interrupting rating of 200 kA at 250 Vac and 20 kA at 125 Vdc
Product Name
Eaton Bussmann series FRN-R fuse
Catalog Number
FRN-R-1
UPC
051712507080
Product Length/Depth
2 in
Product Height
0.56 in
Product Width
0.56 in
Product Weight
0.5 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
1 A
Interrupt rating
200 kAIC at 250 Vac 20 kAIC at 125 Vdc
Response time
8 sec at 500%
Voltage rating
250 Vac, 125 Vdc
Number of elements
Dual
Packaging type
Standard
Class
Class RK5
Connection
Ferrule end x ferrule end
Fuse indicator
Non-indicating
Low Voltage Branch Circuit Fuse Chapter
Low Voltage Branch Circuit Fuse Chapter
RoHS Search Tool
Bussmann series Fuseology
Bussmann series Fusetron FRN-R RK5 fuse data sheet for up to 60 amps No. 1019
Feature -> Business Impact -> Application: Time-delay, dual-element protection reduces nuisance tripping during motor start-up and inrush, delivering smoother operation and lower downtime in automation panels. Application: motor drives, conveyors, and machine control where inrush is common. Feature -> Business Impact -> Application: High interrupt rating up to 200 kAIC at 250 VAC and 20 kAIC at 125 VDC allows selective fault clearing and enhanced safety in higher-energy circuits. Application: power feeds and control circuits with mixed AC/DC loads. Feature -> Business Impact -> Application: Class RK5 construction and ferrule-end terminations simplify integration in standard fuse blocks, speeding installation and maintenance. Application: retrofit and new panel builds within standard Bussmann RK5 families. Feature -> Business Impact -> Application: Compact 2 in body length with standard packaging enables denser panel layouts and easier stock management. Application: control panels with limited space. Feature -> Business Impact -> Application: CE marking and documented compliance support regulatory alignment and documentation readiness. Application: European panels and global deployments requiring formal safety certifications.
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FAQs
FRN-R-1 is designed for low-voltage branch circuits in industrial control panels and machinery. Its 2 inch length and ferrule-end terminations simplify mounting in standard fuse holders, while the 1 A rating protects wiring and components from overcurrent without frequent nuisance trips. The time-delay dual-element design also supports motors and drives where inrush occurs.
The FRN-R-1 employs a time-delay, dual-element design with an 8-second response time at 500% overcurrent. It offers an interrupt rating of 200 kAIC at 250 VAC and 20 kAIC at 125 VDC, allowing reliable fault clearance in mixed AC/DC circuits while remaining non-indicating for unobtrusive protection.
FRN-R-1 is CE marked, confirming compliance with European safety standards. RoHS information is available via Eaton’s RoHS lookup tools, enabling engineers to verify restricted substances and maintain regulatory alignment in global deployments.
FRN-R-1 uses ferrule-end terminations and measures 2 in long with a compact 0.56 in width and height, designed for standard Bussmann RK5 fuse holders. It is compatible with the RK5 family and standard control panel enclosure practices, simplifying stocking and replacement without special tooling.
Technical documentation includes the Bussmann series catalog and a dedicated FRN-R RK5 data sheet (No. 1019) covering up to 60 A. Additional resources include CE and RoHS information tools and the Low Voltage Branch Circuit Fuse Chapter, which aid in design validation and compliance in panel projects.