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FRN-R-1 Eaton Bussmann FRN-R-1 is a 1A, 250VAC/125VDC RK5 class slow-blow cartridge fuse with 200kA AC interrupting rating.
Mfr Part #:

FRN-R-1

Available from 1 distributors
Mfr Name: Eaton - Electronics Division
Eaton - Electronics Division
Eaton Bussmann FRN-R-1 is a 1A, 250VAC/125VDC RK5 class slow-blow cartridge fuse with 200kA AC interrupting rating.
✓ Total Stock: 29 pcs
$ Price Range: $36.29 - $43.11

FRN-R-1 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
29 pcs
On Request
29 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

FRN-R-1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Approval Agency
Breaking Capacity @ Rated Voltage
Class
Current Rating (Amps)
Fuse Type
Industrial Grade
Mounting Type
Response Time
Tape & Reel
Voltage Rating
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FRN-R-1 Description

Short technical summary and product information.

The Eaton Bussmann FRN-R-1 is a 1A rated RK5 class cartridge fuse designed for overcurrent protection in electrical and industrial applications. It is rated for 250VAC and 125VDC operation with a high interrupting capacity of 200kA AC and 20kA DC.

 

This fuse features a slow-blow (time-delay) response characteristic, making it suitable for circuits with inrush currents or temporary overloads. It requires a separate fuse holder for installation and is packaged in a non-standard cartridge form factor measuring 0.560 inches in diameter by 2.000 inches in length (14.22mm x 50.80mm).

 

The FRN-R-1 carries approvals from CE, CSA, and UL, indicating compliance with recognized safety standards. It is intended for use in electrical distribution equipment, motor control centers, and similar industrial power systems.

FRN-R-1 Quick Information

Product Type: Cartridge Fuse
Series: FRN-R
Canonical Name: Eaton Bussmann FRN-R-1 1A 250VAC/125VDC RK5 Slow-Blow Cartridge Fuse
Subcategory: RK5 Class Fuse

FRN-R-1 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

FRN-R-1 Estimated Pricing

Qty Low High
1+ $43.11 $43.11
5+ $37.15 $37.15
10+ $36.29 $36.29

Estimated market price range - modelled values for guidance only, not live distributor offers.

FRN-R-1 Features

  • 1A current rating with slow-blow response.
  • 250VAC and 125VDC voltage ratings.
  • 200kA AC and 20kA DC breaking capacity.
  • RK5 class cartridge fuse design.
  • Requires separate fuse holder for mounting.

FRN-R-1 Applications

  • Overcurrent protection in industrial control panels.
  • Motor branch circuit protection.
  • Transformer and power supply input protection.
  • Electrical distribution equipment in commercial facilities.

FRN-R-1 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the current rating of the FRN-R-1 fuse?

The FRN-R-1 is rated for 1A continuous current.

What voltage ratings does the FRN-R-1 support?

It is rated for 250VAC and 125VDC.

What is the breaking capacity of the FRN-R-1?

The breaking capacity is 200kA AC and 20kA DC.

Is the FRN-R-1 a fast-acting or slow-blow fuse?

It is a slow-blow (time-delay) fuse.

What is the physical size of the FRN-R-1 fuse?

It measures 0.560 inches in diameter by 2.000 inches in length (14.22mm x 50.80mm).

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