Eaton FRN-R-25ID Fuse - Class RK5, 200 kAIC
Part Number: FRN-R-25ID
Quick Summary
FRN-R-25ID is a time-delay, dual-element, current-limiting fuse designed to protect industrial control circuits. In demanding panels, nuisance trips and poor selectivity can drive downtime and costly maintenance. CE Marked and Class RK5-compliant, with finger-safe design and indicating options, it delivers reliable safety and coordination in modern installations. This model supports efficient panel protection with a 25 A rating and an interrupt rating up to 200 kAIC at 250 Vac, reducing spare parts and extending uptime. Ideal for power distribution and motor-control centers, FRN-R-25ID integrates with standard ferrule-terminals and supports rapid fault isolation, delivering measurable business value for OEMs and end users.
Product Information
Extended Description
FRN-R-25ID Eaton: Eaton Bussmann Series Class RK5 fuse, FRN-R, time-delay, dual-element, current limiting fuse, 25 A, 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-25ID
UPC
051712204415
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
25 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 With Indicator
Special features
Finger safe, power loss 11.50 w
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 improved surge tolerance and selective protection. Benefit: Reduces nuisance trips during motor start-up and short surges, lowering maintenance costs and downtime in industrial automation applications. Application: Motor starters and relay panels where inrush is common. Feature: 25 A amperage rating. Benefit: Protects mid-range circuits with appropriate protection levels, enabling precise coordination with upstream protection and downstream devices. Application: Control circuits and power feeds in machine panels. Feature: 200 kAIC interrupt rating at 250 Vac (20 kAIC at 125 Vdc). Benefit: High fault-current withstand capability enhances safety and equipment protection in harsh electrical environments. Application: Main lines and distribution feeders in industrial facilities. Feature: Class RK5 designation. Benefit: Standardized fuse class for predictable replacement and compatibility within Bussmann/RK5 families, simplifying stock and maintenance. Application: Replacement in RK5-based protection schemes across panels. Feature: Ferrule end x ferrule end connection, 2 in length, standard packaging. Benefit: Easy, fast installation with secure terminations and compatibility with common control-panel layouts. Application: Replacements in compact control cabinets and space-constrained enclosures. Feature: Fuse indicator option (With Indicator). Benefit: Visual status indication accelerates fault diagnosis and reduces downtime during maintenance. Application: Front-panel visibility in critical machines. Feature: Special features include finger-safe construction and documented power loss of 11.50 W. Benefit: Safer handling and awareness of energy impact in continuous operation environments. Application: Field service and maintenance planning in safety-conscious facilities.
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FAQs
FRN-R-25ID features ferrule-end terminations and a standard 2 inch body length with 0.56 inch width and a 0.5 pound weight. When replacing in RK5 housings, ensure ferrule terminals align with the panel’s terminal block spacing and use the standard packaging for straightforward mounting. The indicating option aids quick Status checks during routine maintenance and troubleshooting.
The fuse is rated for 25 A with a voltage rating of 250 Vac and 125 Vdc, and it provides a high interrupt rating of 200 kAIC at 250 Vac (20 kAIC at 125 Vdc). Its time-delay, dual-element design enables inrush tolerance while delivering reliable short-circuit protection, reducing the risk of nuisance tripping in motor-start or surge-prone circuits.
Yes. The time-delay (inrush-friendly) dual-element design of FRN-R-25ID makes it well-suited for motor protection in control panels and power-distribution enclosures. Its RK5 class designation and high interrupt rating ensure selective coordination with upstream devices, safeguarding motors and control logic without unnecessary outages during start-up or transient faults.
FRN-R-25ID is CE marked, aligning with European safety and performance requirements. The Class RK5 designation provides a standardized protection class within Bussmann’s RK5 fuse family, facilitating consistent replacement and maintenance practices. The combination supports compliance in regulated facilities and helps streamline procurement and stocking for risk-managed automation projects.
Expect improved uptime from reduced nuisance trips due to its time-delay design, plus safer handling with finger-safe construction. The indicating option accelerates fault diagnosis and maintenance planning, lowering mean time to repair. With its 25 A rating and high interrupt capacity, you can optimize protection coordination, potentially reducing spare fuse stock and preventing costly equipment damage.