Eaton FRS-R-5 Fuse - Class RK5 Time-Delay, Dual-Element
Part Number: FRS-R-5
Quick Summary
The Eaton FRS-R-5 fuse provides reliable time-delay, current-limiting protection for motor and controller circuits. This helps prevent nuisance trips during startup and reduces unplanned downtime in demanding industrial environments. CE marking and RK5 class compatibility ensure compliance with European safety standards and established protection schemes. With a 5 A rating, 600 Vac / 300 Vdc capability, and a 200 kAIC interrupt rating at 600 Vac, it delivers dependable protection with predictable coordination. In addition, ferrule-end connections, compact RK5 form factor, and non-indicating status support easy installation and scalable protection across control panels. Designed for panel builders and OEMs, it aligns with common catalog numbers and maintenance workflows.
Product Information
Extended Description
FRS-R-5 Eaton: Eaton Bussmann Series Class RK5 fuse, FRS-R, time-delay, dual-element, current limiting fuse, 5 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-5
UPC
051712508223
Product Length/Depth
5 in
Product Height
0.81 in
Product Width
0.81 in
Product Weight
0.14 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
5 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 delivers selective protection for motors and power circuits, reducing nuisance trips during startup while containing fault energy, which translates into fewer unplanned outages and longer equipment life in drive systems and controllers. This fuse offers a precise 5 A amperage rating with a 600 Vac / 300 Vdc rating, enabling safe protection for mixed AC/DC circuits and minimizing overcurrent damage in control panels and machine feeders. Its high interrupt ratings—200 kAIC at 600 Vac and 20 kAIC at 300 Vdc—enable safe interception of large fault currents, improving safety and reducing downstream equipment damage in power distribution blocks. The Class RK5 designation with ferrule-end connections ensures easy compatibility with standard RK5 holders, simplifying stocking, field replacement, and maintenance workflows. At 5 in length and 0.81 in both height and width, the compact form factor fits space-constrained enclosures with ease. The non-indicating fuse reduces indicator clutter in dense panels, supporting cleaner wiring schemes and streamlined diagnostics. Documentation, catalogs, and engineering support from Eaton Bussmann further enhance reliability and accelerate project timelines.
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FAQs
Ensure mounting in a compatible RK5 fuse block with ferrule-end x ferrule-end wiring. The FRS-R-5 is 5 in long and 0.81 in wide and high, so verify enclosure space and bus routing. Use appropriate torque on lug connections and maintain proper clearance from hot components. This design supports easy field replacement and minimizes downtime in space-constrained panels.
The fuse is rated for 5 A and supports 600 Vac / 300 Vdc. It delivers 200 kAIC interrupting capability at 600 Vac and 20 kAIC at 300 Vdc. It features time-delay operation with a fast response in overload conditions (10 seconds at 500%). These specs enable selective protection for mixed AC/DC circuits in industrial controls.
Yes. The 600 Vac / 300 Vdc rating allows deployment in AC and DC circuits commonly found in motor control centers, drives, and feeders. The dual-element, time-delay design helps manage inrush while maintaining coordination with upstream protections. Ensure your panel’s fuse holder and wiring conform to RK5 class requirements for safe operation.
The FRS-R-5 is CE marked, indicating conformity with European safety standards. It belongs to the Class RK5 family, a widely adopted standard for branch-circuit fuses. While the data focus on CE and RK5 applicability, confirm any additional regional requirements with your compliance team or Eaton support for UL/CSA equivalents if needed.
The time-delay, current-limiting design reduces nuisance trips during startup, minimizing unplanned downtime and extending equipment life. High interrupt ratings protect downstream components, lowering replacement costs. Standardized RK5 compatibility and ferrule-end connections simplify stocking and maintenance, reducing maintenance labor and training time for panel technicians.