Eaton FRS-R-6-1/4ID Fuse - Class RK5, 200 kAIC at 600 Vac
Part Number: FRS-R-6-1/4ID
Quick Summary
Eaton FRS-R-6-1/4ID fuse provides reliable circuit protection for industrial control panels and branch circuits. Engineers often wrestle with nuisance trips and slow fault clearance when protecting complex automation networks. This Class RK5, time-delay, dual-element fuse is CE marked and designed for 600 Vac and 300 Vdc applications, helping you meet regulatory and safety requirements. By delivering dependable short-circuit protection with a compact footprint, it supports uptime and predictable maintenance intervals. In addition, the device aligns with common automation vocabulary and is compatible with standard RK5 holders, offering a smooth procurement and installation experience for electrical protection and circuit control projects.
Product Information
Extended Description
FRS-R-6-1/4ID Eaton: Eaton Bussmann Series Class RK5 fuse, FRS-R, time-delay, dual-element, current limiting fuse, 6.25 A, indicating fuse, interrupting rating of 200 kA at 600 Vac
Product Name
Eaton Bussmann series FRS-R fuse
Catalog Number
FRS-R-6-1/4ID
UPC
051712204491
Product Length/Depth
5 in
Product Height
0.81 in
Product Width
0.81 in
Product Weight
0.13 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
6.25A
Interrupt rating
20 kAIC at 300 Vdc 200 kAIC at 600 Vac
Response time
10 sec at 500%
Voltage rating
600 Vac, 300 Vdc
Number of elements
Dual
Packaging type
Standard
Class
Class RK5
Fuse indicator
Non-indicating With Indicator
Bussmann Full Line Catalog
Bussmann Full Line Catalog
RoHS Search Tool
Bussmann series Fuseology
Bussmann series FRS-R 600 V Class R up to 60 A fuse data sheet no. 1017
Feature: Time-delay, dual-element RK5 fuse with current-limiting capability. Business Impact: Slower nuisance-tripping on startup transients while delivering robust fault clearance, reducing unplanned downtime in electrical protection and control applications. Application: Industrial PLCs and motor control circuits requiring selective coordination and reliable performance.Feature: 6.25 A nominal rating and 600 Vac voltage rating. Business Impact: Clear specification alignment with most 480–600 V distribution schemes, supporting safe operation and compliance in modern facilities. Application: Branch circuits and power feeds in automation cabinets where voltage consistency is critical.Feature: High interrupt rating of 200 kAIC at 600 Vac (and 20 kAIC at 300 Vdc). Business Impact: Superior fault clearance for high-energy feeders, improving system resilience and reducing arc-related damage. Application: Large motors, drives, and other high-energy loads in manufacturing lines.Feature: Dual-element, current-limiting design with optional indicator. Business Impact: Fast fault containment with optional local indication to simplify field diagnostics and maintenance planning. Application: Panel assemblies where rapid fault tracing and minimal downtime are essential.Feature: Compact 5 in length with 0.81 in width/height and standard packaging. Business Impact: Easy integration into existing fuse blocks and standard enclosures, lowering installation time and inventory complexity. Application: Retrofit projects and new builds that require RK5 compatibility and space efficiency.Feature: CE Marked compliance and RoHS-related support through Eaton resources. Business Impact: Regulatory peace of mind for customers targeting global markets and sustainable, responsible sourcing. Application: Global manufacturing environments demanding compliant protection devices for electrical protection and circuit control.
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FAQs
The FRS-R-6-1/4ID is designed as a Class RK5 fuse, compatible with standard RK5 holders used in industrial control panels. Its 5 in length and 0.81 in cross-section simplify installation and replacement in existing gear. Ensure the holder is rated for 600 Vac and the circuit matches the 6.25 A rating for reliable protection.
This time-delay, dual-element RK5 fuse is ideal for motor control circuits, power distribution feeds, and branch circuits in automation panels. With a 600 Vac rating and 200 kAIC interrupt capability, it provides dependable fault clearance in high-energy environments while minimizing nuisance trips during startup transients.
The FRS-R-6-1/4ID is CE marked, aligning with European regulatory requirements. Eaton also provides RoHS-related resources to support compliance planning, which can be important for global manufacturing and sustainability programs.
Key ratings include 6.25 A and 600 Vac, with a dual-element design and a 200 kAIC interrupt rating at 600 Vac (20 kAIC at 300 Vdc). The response time is 10 seconds at 500% overcurrent, delivering controlled protection for both gradual and instantaneous faults.
Opt for the version with indicator if field diagnostics are a priority; the non-indicating variant is also available. The fuse’s standard packaging and compact size support straightforward replacement in existing RK5 blocks, contributing to shorter maintenance windows and lower inventory complexity.