Eaton FRS-R-17-1/2 Fuse - Class RK5

Part Number: FRS-R-17-1/2
Manufacturer
Eaton
Part number
FRS-R-17-1/2

Quick Summary

The Eaton FRS-R-17-1/2 fuse is a time-delay, dual-element, current-limiting device designed to protect industrial electrical circuits in control panels and machinery. This fuse helps prevent nuisance trips while still delivering fast fault interruption when it matters most, reducing unplanned downtime. Engineers rely on reliable protection in demanding environments, and the FRS-R-17-1/2 offers a high interrupt rating and robust construction to handle short-circuit events. The device is CE marked, and RoHS compliance can be verified through Eaton’s RoHS tool, reinforcing your compliance posture. For design and procurement teams, this fuse combines proven RK5 performance with installation convenience and long-term maintenance simplicity, supporting safe, efficient operation across OEM and end-user facilities.

Product Information

Extended Description

FRS-R-17-1/2 Eaton: Eaton Bussmann Series Class RK5 fuse, FRS-R, time-delay, dual-element, current limiting fuse, 17.5 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-17-1/2
UPC
051712508315
Product Length/Depth
5 in
Product Height
0.81 in
Product Width
0.81 in
Product Weight
0.4 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
17.5 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
Feature → Business Impact → Application: Time-delay, dual-element design provides selective protection and reduces nuisance trips in equipment with inrush currents, such as motors and drives, improving uptime and extending motor life. This translates to lower maintenance costs and smoother production lines in manufacturing and process environments. Feature → Application: 17.5 A rating paired with a 600 Vac / 300 Vdc voltage rating enables protection across common industrial power feeds and controls, ensuring compliant coordination with downstream devices and reducing the risk of overcurrent damage in panels and switchgear. Feature → Business Impact → Application: 200 kAIC interrupt rating at 600 Vac (and 20 kAIC at 300 Vdc) delivers robust fault handling for high-short-circuit scenarios, safeguarding feeders and critical control circuits in data centers, automotive, and packaging lines. Feature → Compatibility → Installation: Ferrule-end terminations and a standard 5 in length with a compact 0.81 in square profile enable straightforward drop-in replacement in Bussmann RK5 housings, minimizing panel rework and installation time. Feature → Compliance and indication: Non-indicating status simplifies labeling, while CE compliance is verified; consider adding a fuse status indicator or panel-mounted indicator if visual confirmation is required. Feature → Reliability and lifecycle: Class RK5 architecture is a well-established protection family, providing predictable behavior across vendors and simplifying stocking, maintenance planning, and long-term Spares procurement. The result is improved operational efficiency, reduced downtime, and a lower total cost of ownership in mixed OEM and end-user facilities.

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FAQs

Yes. The fuse uses ferrule-end x ferrule-end connections and comes in a standard 5 inch length with a 0.81 inch width/height profile, designed to drop into typical RK5 fuse holders and control panel layouts without requiring special adapters.
Key ratings are 17.5 A amperage, voltage rating of 600 Vac / 300 Vdc, and interrupt ratings of 200 kAIC at 600 Vac and 20 kAIC at 300 Vdc. It also features a time-delay, dual-element design with a 10-second response at 500% overload and a non-indicating status.
Ideal for motor feeders, drive circuits, and control panels in manufacturing and automation environments where inrush is common. The time-delay, dual-element construction minimizes nuisance trips while providing strong protection against short-circuits in high-demand equipment.
The FRS-R-17-1/2 is CE marked, confirming European safety compliance. RoHS compliance can be verified through Eaton’s RoHS Search Tool, helping ensure your bill of materials meets regulatory requirements across regions.
Because the component is non-indicating, plan for labeling and routine panel checks to confirm status. Its high interrupt rating and robust RK5 family performance support reduced downtime during fault events, contributing to lower lifecycle costs and more predictable maintenance planning.