Eaton FRS-R-90 Fuse - Class RK5, 90 A, 600 Vac CE
Part Number: FRS-R-90
Quick Summary
The Eaton FRS-R-90 fuse is a time-delay, dual-element Class RK5 device designed for reliable branch circuit protection in industrial control panels. Engineers often battle nuisance tripping from inrush or startup surges, which drives unplanned downtime and costly maintenance. This model carries a 90 A rating with a 200 kAIC interrupt rating at 600 Vac and 20 kAIC at 300 Vdc, and it bears CE marking for global compliance. With blade-end connections and a compact 7.88 in length, it installs into standard racks and panels without custom wiring. Designed for efficiency, durability, and straightforward maintenance, the FRS-R-90 combines time-delay protection with RK5 reliability to support motor drives, lighting, and programmable logic controllers.
Product Information
Extended Description
FRS-R-90 Eaton: Eaton Bussmann Series Class RK5 fuse, FRS-R, time-delay, dual-element, current limiting fuse, 90 A, non-indicating fuse, interrupting rating of 200 kA at 600 Vac and 20 kA at 300 Vdc
Product Name
Eaton Bussmann series FRS-R fuse
Catalog Number
FRS-R-90
UPC
051712508421
Product Length/Depth
7.88 in
Product Height
1.11 in
Product Width
1.11 in
Product Weight
0.35 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
90 A
Interrupt rating
200 kAIC at 600 Vac 20 kAIC at 300 Vdc
Response time
10 sec at 500%
Voltage rating
600 Vac, 300 Vdc
Number of elements
Dual
Packaging type
Standard
Class
Class RK5
Connection
Blade end x blade end
Fuse indicator
Non-indicating
Bussmann Full Line Catalog
Bussmann Full Line Catalog
RoHS Search Tool
Bussmann series Fuseology
Bussmann series FRS-R 600 V Class R 65-600 A fuse data sheet no. 1018
Time-delay, dual-element design enables selective protection for motor and control circuits, reducing nuisance trips while short-circuit protection remains robust. This translates to lower downtime and fewer unwarranted panel pulls for fuse replacement, delivering tangible maintenance cost reductions in manufacturing environments. The Class RK5, current-limiting construction provides fast fault isolation and arc-quenching performance, which helps protect downstream electronics and power supplies in mixed-load panels and control racks. With a 90 A rating and a 200 kAIC interrupt capacity at 600 Vac, and 20 kAIC at 300 Vdc, you gain reliable protection for high inrush scenarios common in industrial drives and automation equipment. The 600 Vac / 300 Vdc rating supports AC mains and DC bus configurations, expanding application reach in modern control systems. Blade-end x blade-end connections and standard packaging ensure straightforward swap-ins and retrofits within Bussmann footprints, minimizing installation time and risk of wiring errors. Finally, non-indicating operation reduces upfront costs and simplifies stock management in high-turnover maintenance environments, while still delivering durable, code-compliant protection for critical lines.
Get a Quick Quote for a Eaton FRS-R-90
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton FRS-R-90?
Enquire Now
FAQs
The FRS-R-90 uses blade-end x blade-end connections to fit standard Bussmann series footprints. It measures 7.88 inches in length with a compact 1.11 x 1.11 inch cross-section, and weighs about 0.35 lb, enabling quick retrofit into existing panel schedules. Ensure the mounting rail or holder accommodates RK5 class fuses and verify clearances for heat dissipation in dense control cabinets.
Key specs include a 90 A amperage rating, 200 kAIC interrupt rating at 600 Vac and 20 kAIC at 300 Vdc, and a response time of about 10 seconds at 500% overload. The device is rated for 600 Vac and 300 Vdc, providing versatile protection for mixed AC/DC circuits in industrial panels and motor-control centers.
Yes, the dual-element time-delay design is well-suited for motor protection and control circuits where inrush is common. The 600 Vac / 300 Vdc rating supports AC mains and DC bus configurations found in motor drives and automation equipment, while the RK5 class provides reliable short-circuit interruption to protect other components and reduce downtime.
The FRS-R-90 is CE marked, indicating compliance with applicable European safety standards. It aligns with Bussmann series product guidelines and is suitable for global panel installations where CE conformity is a requirement. RoHS compliance can be cross-checked via Eaton’s RoHS tools for project-specific verification.
Because the FRS-R-90 is non-indicating, you won’t see a blown status visually on the fuse itself. Plan periodic panel checks or remote-monitoring integration to detect fault conditions. Given its high interrupt rating and 90 A rating, replace after a fault event or according to preventive maintenance intervals to maintain protective coordination with upstream devices.