Eaton FRN-R-30 Fuse - Class RK5, 200 kAIC at 250 Vac
Part Number: FRN-R-30
Quick Summary
FRN-R-30 fuse from Eaton protects industrial control circuits with time-delay current-limiting protection. In rugged plant environments, nuisance trips and inrush can stall production; this device mitigates that risk by delivering selective, controlled interruption. It is CE marked and Class RK5 compliant, with a finger-safe body for safer handling and reduced maintenance risk. The 30 A rating pairs with a high interrupt rating to guard conductors and power electronics, while its non-indicating design keeps panel layouts clean and uncluttered. Designed for easy replacement and predictable performance in electrical protection and circuit-control applications across manufacturing and process facilities.
Product Information
Extended Description
FRN-R-30 Eaton: Eaton Bussmann Series Class RK5 fuse, FRN-R, time-delay, dual-element, current limiting fuse, 30 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-30
UPC
051712101769
Product Length/Depth
2 in
Product Height
0.81 in
Product Width
0.81 in
Product Weight
0.05 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
30 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
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
Time-delay, dual-element design provides tolerance for motor starting surges while preserving protection for faults. This translates to fewer nuisance trips and less downtime in production lines, particularly where VFDs and motor starters are common. It is ideal for industrial controls, pump stations, and conveyor systems requiring reliable protection without unnecessary interruptions. Current-limiting with 200 kAIC interrupt rating at 250 Vac minimizes arc energy and conductor stress during fault events. This improves safety, lowers damage risk to cables and devices, and simplifies upstream protection coordination in feeders, power distribution blocks, and equipment subject to high fault currents. The device’s 8 seconds response time at 500% overload ensures controlled fault clearance under harsh overload conditions, enabling predictable protection timings and easier upstream setting calibration for industrial machinery. Its non-indicating design reduces visual clutter, while finger-safe construction enhances maintenance safety in crowded panels. Ferrule-end x ferrule-end connections and standard packaging support rapid replacements and straightforward stock management, aligning with common Bussmann RK5 fuses in retrofit or new-build projects. Class RK5 certification and CE marking provide compliance confidence, while a 30 A rating targets common motor control and automation circuits across manufacturing and process industries.
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FAQs
FRN-R-30 uses ferrule-end connections with a standard 2 inch length and 0.81 inch width/height, allowing straightforward drop-in replacement in Bussmann RK5 fuse holders and panel boards. Its non-indicating, finger-safe design reduces panel clutter and makes field service faster, while compatibility with RK5 accessories supports scalable protection across multiple circuits.
The FRN-R-30 is a 30 A, current-limiting fuse with time-delay, dual-element construction and an interrupt rating of up to 200 kAIC at 250 Vac (and 20 kAIC at 125 Vdc). This combination tolerates motor inrush and transient faults, while reliably interrupting damaging faults to protect conductors and power electronics in industrial control systems.
Yes. FRN-R-30 is rated for 125 Vdc in addition to 250 Vac, enabling protection across mixed power environments. When integrating with dc logic or DC-powered drives, ensure the circuit fault current does not exceed the 20 kAIC dc rating, and confirm upstream protection coordination for reliable operation.
Yes. The FRN-R-30 is CE marked, indicating compliance with relevant European safety standards. It belongs to the Class RK5 family, offering a standardized protection class for fuses used in industrial power circuits. The finger-safe design further enhances operator safety during maintenance and replacement tasks.
Comprehensive documentation includes the Bussmann-series RK5 FRN-R data sheets and catalog PDFs, with technical details such as current ratings, interrupt capabilities, and installation instructions. You can also access related resources like the Low Voltage Branch Circuit Fuse chapters and the Bussmann Fuseology multimedia for deeper product context.