FRS-R-90 - 90Amp Fuse

FRS-R-90 - 90Amp Fuse

The Eaton Bussmann FRS-R-90 is a 90-amp Class RK5 fuse designed with a dual-element configuration and blade connections at both ends. For anyone matching a replacement fuse, those details matter just as much as the amperage printed on the label. It is a non-indicating fuse, meaning it lacks a built-in visual fuse-status indicator. If FRS-R-90 is the catalog number listed in your equipment documentation or printed on the fuse being replaced, then these electrical ratings, dimensions, and connection details provide the specific information needed for a careful compatibility check.

Key Features and Benefits

• 90A Class RK5 fuse: Combines a 90-amp rating with the Class RK5 designation, giving technicians two important specifications to verify when identifying a replacement.
• Dual-element construction: The FRS-R-90 uses the dual-element configuration specified for this catalog number.
• Specified response time: Manufacturer data lists 10 seconds at 500% of rated current.
• Blade-to-blade connection: Blade ends on both sides provide a clearly defined physical connection style for compatibility checks.
• Non-indicating configuration: Designed without a built-in fuse-status indicator.
• CE Marked: The supplied manufacturer specifications indicate that the FRS-R-90 is CE Marked.
  

Technical Specifications

• Product Name: Eaton Bussmann series FRS-R fuse
  
• Catalog Number: FRS-R-90
  
• UPC: 051712508421
  
• Product Type: Fuse
  
• Amperage Rating: 90 A
  
• Class: Class RK5
  
• Voltage Rating: 600 VAC, 300 VDC
  
• Interrupt Rating at 600 VAC: 200 kAIC
  
• Interrupt Rating at 300 VDC: 20 kAIC
  
• Response Time: 10 sec at 500%
  
• Number of Elements: Dual
  
• Connection: Blade end x blade end
  
• Fuse Indicator: Non-indicating
  
• Product Length/Depth: 7.88 in
  
• Product Height: 1.34 in
  
• Product Width: 1.34 in
  
• Product Weight: 0.35 lb
  
• Compliance: CE Marked
  

Material Compliance and Certifications

The supplied manufacturer specifications identify the FRS-R-90 as CE Marked. No other certifications or specific material compliance declarations were provided for this catalog number, so no additional compliance claims are being inferred.

Where It Works Best

The FRS-R-90 90A Class RK5 fuse makes sense for compatible electrical equipment specifically calling for a 90A, dual-element Class RK5 fuse with blade-end connections and electrical ratings matching this model. It is particularly easy to identify when the FRS-R-90 catalog number is already shown in the equipment documentation or on the fuse being replaced.