Eaton FRN-R-35 Fuse - RK5 Class Dual-Element Time-Delay
Part Number: FRN-R-35
Quick Summary
FRN-R-35 fuse from Eaton is a time-delay, dual-element protection device designed to safeguard control circuits and power-distribution panels in industrial environments. This addresses nuisance blows during motor starts and transient surges that disrupt production and uptime. CE Marked compliance and the RK5 class design provide reliable, standards-based protection with predictable performance. Finger-safe features enhance maintenance safety, while the non-indicating body keeps control panels clean and readable. The 35 A rating and high interrupt capacity support scalable protection for equipment across OEM panels and commercial installations. Standardizing on this family delivers improved reliability, easier sourcing, and lower spare parts inventories for Eaton Bussmann RK5 fuses.
Product Information
Extended Description
FRN-R-35 Eaton: Eaton Bussmann Series Class RK5 fuse, FRN-R, time-delay, dual-element, current limiting fuse, 35 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-35
UPC
051712101776
Product Length/Depth
3 in
Product Height
0.81 in
Product Width
0.81 in
Product Weight
1.95 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
35 A
Interrupt rating
20 kAIC at 125 Vdc 200 kAIC at 250 Vac
Response time
10 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
Special features
Finger safe
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: Time-delay, dual-element design provides selective protection against short-duration inrush and sustained overloads. Business Impact: Reduces nuisance tripping while preserving circuit integrity, improving uptime and productivity. Application: Ideal for motorStarts, drives, and power distribution panels in manufacturing environments. Feature: Current-limiting capability with 200 kAIC at 250 Vac and 20 kAIC at 125 Vdc ensures fast interruption of fault currents. Business Impact: Minimizes arc flash risk and downstream damage, cutting maintenance costs and downtime. Application: Suitable for high-energy circuits in industrial facilities and OEM equipment. Feature: RK5 class with finger-safe construction simplifies installation and maintenance. Business Impact: Safer handling for technicians and consistent coordination in panel assemblies. Application: Control cabinets and electrical panels in industrial automation. Feature: Ferrule end-to-end connections and compact 3 in length support straightforward mounting. Business Impact: Compatible with standard fuse holders and minimal retrofit effort. Application: Panel upgrades and new equipment installations. Feature: Non-indicating, compact form reduces panel clutter and aids safety checks. Business Impact: Easier visual inspection and less distraction in busy control rooms. Application: Industrial control panels and distribution boards. Feature: CE Marked compliance and Bussmann RK5 ecosystem assurance. Business Impact: Streamlined procurement and reliable performance across regions. Application: Global deployments in machinery, conveyors, and packaging lines.
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FAQs
The FRN-R-35 uses ferrule end x ferrule end connections and measures 3 inches in length with a width and height of 0.81 inches. It weighs about 1.95 lb and fits standard Bussmann RK5 fuse holders found in industrial control panels. Ensure proper alignment in the fuse holder to maintain reliable contact and safe replacement.
This fuse provides 35 A amperage rating with interrupt ratings of 200 kAIC at 250 Vac and 20 kAIC at 125 Vdc. The specified response time is 10 seconds at 500% of rated current, delivering rapid protection during fault events while tolerating short inrush currents common to motor starts.
FRN-R-35 is well-suited for industrial control panels, motor drives, and power distribution assemblies in manufacturing facilities. Its time-delay, dual-element design supports inrush tolerance in motor circuits, while its high interrupt capacity provides robust protection against short-circuit events in both AC and DC powered systems.
The FRN-R-35 carries CE Marking, indicating conformity with essential European health, safety, and environmental requirements. It belongs to the Class RK5 family, offering standardized protection characteristics widely used in industrial applications. Always verify local regulatory requirements and panel standards when specifying fuses for critical equipment.
Using FRN-R-35 reduces nuisance trips thanks to its time-delay design, which translates to less unplanned downtime and fewer component replacements. Its compatibility with standard RK5 fuse holders simplifies spares management, while the finger-safe construction lowers maintenance risk. Overall, you gain reliable protection with lower long-term maintenance costs in routine panel servicing.