Eaton FRN-R-150 Fuse - CE Marked RK5 Time-Delay
Part Number: FRN-R-150
Quick Summary
The Eaton FRN-R-150 fuse provides time-delay protection for motors and power circuits in industrial panels. Nuisance tripping during motor startup or inrush can derail uptime and inflate maintenance costs. This FRN-R is CE marked and built on Class RK5 construction, with a 200 kAIC interrupt rating at 250 Vac and 20 kAIC at 125 Vdc. Its blade-end design and Bussmann-series compatibility streamline installation while allowing quick field replacements. With a 150 A rating and robust current-limiting characteristics, it supports scalable protection for motor drives, conveyors, and distribution panels, helping shorten downtime and lower total cost of ownership.
Product Information
Extended Description
FRN-R-150 Eaton: Eaton Bussmann Series Class RK5 fuse, FRN-R, time-delay, dual-element, current limiting fuse, 150 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-150
UPC
051712101875
Product Length/Depth
2.1 in
Product Height
0.54 in
Product Width
0.54 in
Product Weight
0.5 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
150 A
Interrupt rating
200 kAIC at 250 Vac 20 kAIC at 125 Vdc
Response time
10 sec at 500%
Voltage rating
250 Vac, 125 Vdc
Number of elements
Dual
Packaging type
Standard
Class
Class RK5
Connection
Blade end x blade 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 Fusetron FRN-R RK5 fuse data sheet for fuses 70 to 600 amps No. 1020
Feature: Time-delay, dual-element, current-limiting design. Benefit: Manages inrush currents without sacrificing protection, reducing nuisance trips and improving equipment longevity. Application: Motor starters, conveyors, and power feeders where startup surges are common. Feature: High interrupt rating of 200 kAIC at 250 Vac and 20 kAIC at 125 Vdc. Benefit: Enhanced fault containment in critical circuits, improving personnel safety and minimizing arc-fault risk. Application: Industrial control panels and distribution centers with heavy loads. Feature: Class RK5 construction with blade-end connections. Benefit: Quick, reliable field replacement and straightforward integration into standard Bussmann-series assemblies. Application: New installations and retrofit projects in machine rooms and switchgear. Feature: Non-indicating fuse with standard packaging. Benefit: Lower upfront costs and reduced replaceable components in simple protection schemes. Application: Routine maintenance in manufacturing lines where status indication is managed by upstream systems. Feature: Compact size (2.1 in length, 0.54 in x 0.54 in) and 0.5 lb weight. Benefit: Easy mounting in tight enclosures and panel doors. Application: Enclosures with limited space and multiple devices.
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FAQs
Ensure the power is fully isolated, confirm compatibility with a blade-end fuse holder, and align the FRN-R-150 with the correct holder. Insert the fuse fully until seated, verify secure blade contacts, close the panel, and re-energize. For service, follow the panel manufacturer’s procedures and replace only with an FRN-R-150 of the same class (RK5) and rating.
Amperage rating is 150 A. Voltage rating is 250 Vac and 125 Vdc. Interrupt ratings are 200 kAIC at 250 Vac and 20 kAIC at 125 Vdc. Response time is 10 seconds at 500% of rated current, and it is a dual-element, time-delay, current-limiting device.
Yes. The dual-element time-delay design handles inrush typical of motors, while the 150 A rating and RK5 class construction provide reliable protection in motor drives, conveyors, and control panels within industrial environments.
The FRN-R-150 is CE marked and built to Class RK5 standards. This combination supports compliance with European safety requirements and standardized fuse performance characteristics in industrial equipment.
Length is 2.1 inches; width and height are both 0.54 inches. The fuse weighs approximately 0.5 pounds. It uses blade-end connections and standard packaging suitable for common Bussmann RK5 applications.