Eaton FRS-R-12 Fuse - Class RK5 Time-Delay, 200 kAIC
Part Number: FRS-R-12
Quick Summary
The Eaton FRS-R-12 fuse is a Class RK5 time-delay device designed for branch-circuit protection in industrial control panels. Engineers often contend with nuisance trips during startup or peak inrush, which slows production and increases downtime. This CE-marked device, with RoHS compliance verifiable via Eaton's RoHS tool, combines reliability with robust fault protection. By delivering straightforward installation and dependable fault current handling, it supports efficient panel design and reduced maintenance costs for electrical protection and circuit control systems.
Product Information
Extended Description
FRS-R-12 Eaton: Eaton Bussmann Series Class RK5 fuse, FRS-R, time-delay, dual-element, current limiting fuse, 12 A, non-indicating fuse, interrupting rating of 200 kA at 600 Vac and 20 kA at 300 Vdc
Product Name
Eaton Bussmann series FRS-R fuse
Catalog Number
FRS-R-12
UPC
051712508292
Product Length/Depth
9.63 in
Product Height
1.61 in
Product Width
1.61 in
Product Weight
1.3 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
12 A
Interrupt rating
200 kAIC at 600 Vac 20 kAIC at 300 Vdc
Response time
10 sec at 500%
Voltage rating
600 Vac, 300 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 FRS-R 600 V Class R up to 60 A fuse data sheet no. 1017
Time-delay, dual-element design provides controlled response to inrush currents and short circuits, reducing nuisance trips and protecting loads during startup. This improves line uptime and allows motors and drives to start smoothly, lowering maintenance costs in manufacturing environments. High interrupt rating of 200 kAIC at 600 Vac enables safe fault current interruption in demanding power distribution schemes, protecting downstream equipment and limiting collateral damage. Class RK5 ferrule-end connections simplify replacement and maintenance within RK5-compatible assemblies, enabling fast retrofits and standardized installations across new builds. The ferrule-end construction and a standard 9.63 in length with 1.61 in width ensure predictable fit in common fuse holders, reducing installation time. Non-indicating design supports clean panel layouts, while CE marking and RoHS verification align with regulatory expectations for global deployments. These characteristics translate to improved reliability, easier procurement, and lower total cost of ownership over the fuse’s lifecycle for plant engineers and procurement teams.
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FAQs
The FRS-R-12 uses ferrule-end terminations that fit standard RK5 fuse holders. When selecting a holder, confirm ferrule compatibility, ensure wiring clearances meet safety standards, and verify the holder accommodates a 9.63 inch long, 1.61 inch wide device. This alignment minimizes retrofit effort and guarantees secure, reliable connections in control panels.
FRS-R-12 is a 12 A amperage-rated fuse with a voltage rating of 600 Vac and 300 Vdc. It is a dual-element, time-delay, current-limiting device with an interrupt rating of 200 kAIC at 600 Vac (and 20 kAIC at 300 Vdc). Its Class RK5 construction supports selective protection in multi-fuse assemblies while tolerating inrush without nuisance trips.
Yes, the FRS-R-12 is CE marked, reflecting compliance with applicable European directives for electrical protection devices. RoHS compliance is supported and can be verified via Eaton’s RoHS Search Tool. This helps confirm restricted substance limits for safe deployment in modern industrial facilities, though detailed RoHS status can be checked per project requirements.
This fuse is well-suited for motor control centers, drives, and machine control panels where reliable protection is needed without nuisance trips during startup. It works well in power feeders and control circuits requiring robust short-circuit protection, high inrush tolerance, and easy replacement in RK5-compatible layouts, helping to maintain line uptime in manufacturing environments.
Plan for routine stock of FRS-R-12 fuses to support uptime in critical panels. Replace only with the same RK5 class, 12 A rating fuse to preserve protection coordination. Refer to Eaton data sheets (e.g., Bussmann RK5 and no. 1017) for replacement guidance, and verify compatibility with existing ferrule-end terminations and panel space during retrofits.