FRN-R-1 - 1 Amp Fuse

FRN-R-1 - 1 Amp Fuse

Replacing a 1-amp Class RK5 fuse? The FRN-R-1 gives you a very specific set of ratings to match, so there’s more to check than the “1A” printed on the fuse. This dual-element fuse is rated for 250V AC and 125V DC, with an interrupting rating of 200 kAIC at 250V AC and 20 kAIC at 125V DC. It also has a manufacturer-specified response time of 8 seconds at 500% of rated current. Physically, the FRN-R-1 is compact—2 inches long and 0.56 inches wide and high—with ferrule connections on both ends and a non-indicating design.

Key Features and Benefits

• 1A Class RK5 rating – A straightforward choice when your equipment specifically calls for a 1-amp Class RK5 fuse.
• Dual-element construction – Part of the FRN-R-1's defined operating and response characteristics.
• 250V AC rating – Suitable for properly specified AC circuits operating within the fuse's published voltage rating.
• 125V DC capability – Also rated for compatible DC applications up to 125V DC.
• 8-second response at 500% – A useful performance figure when comparing the FRN-R-1 with the requirements of the circuit.
• Ferrule ends – Ferrule-to-ferrule construction makes connection style another easy detail to verify during replacement.
  

Technical Specifications

• Catalog Number: FRN-R-1
  
• Product Type: Fuse
  
• Series: FRN-R
  
• Fuse Class: Class RK5
  
• Amperage Rating: 1A
  
• AC Voltage Rating: 250V AC
  
• DC Voltage Rating: 125V DC
  
• AC Interrupt Rating: 200 kAIC at 250V AC
  
• DC Interrupt Rating: 20 kAIC at 125V DC
  
• Response Time: 8 seconds at 500% of rated current
  
• Number of Elements: Dual
  
• Connection: Ferrule end × ferrule end
  
• Fuse Indicator: Non-indicating
  
• Length / Depth: 2 in
  
• Height: 0.56 in
  
• Width: 0.56 in
  
• Product Weight: 0.5 lb
  
• Packaging Type: Standard
  
• UPC: 051712507080
  

Material Compliance and Certifications

The supplied specifications identify the FRN-R-1 as CE Marked. That's a useful compliance detail to have when you're checking the exact fuse against project or equipment requirements.

No other catalog-specific certification or material-compliance declarations were included in the supplied information. If your installation requires a particular approval beyond the stated CE marking, verify it for the exact FRN-R-1 catalog number rather than assuming that another FRN-R fuse carries identical approvals.

Where It Works Best

• Exact FRN-R-1 replacements – A practical choice when you're replacing an existing FRN-R-1 and need to maintain the same published specifications.
• 1A Class RK5 applications – Intended for equipment requiring this particular amperage and fuse class combination.
• 250V AC circuits – Suitable where the application operates within the fuse's 250V AC rating and other specifications are compatible.
• 125V DC applications – Also rated for properly specified DC circuits up to 125V DC.
• Ferrule-style fuse installations – The ferrule ends and compact 2-inch body make it straightforward to compare the physical fit with the fuse being replaced.