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FRN-R-6-1/4 The FRN-R-6-1/4 is a 6.25A cartridge fuse from Eaton - Bussmann Electrical Division, rated at 250VAC/125VDC. It features slow blow response time and RK5 class, with a breaking capacity of 200kA AC and 20kA DC.
Mfr Part #:

FRN-R-6-1/4

Available from 1 distributors
Mfr Name: Eaton - Electronics Division
Eaton - Electronics Division
The FRN-R-6-1/4 is a 6.25A cartridge fuse from Eaton - Bussmann Electrical Division, rated at 250VAC/125VDC. It features slow blow response time and RK5 class, with a breaking capacity of 200kA AC and 20kA DC.
✓ Total Stock: 109 pcs
$ Price Range: $41.17 - $45.94

FRN-R-6-1/4 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
109 pcs
On Request
109 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-6-1/4 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
Mounting Type
Response Time
Tape & Reel
Voltage Rating
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FRN-R-6-1/4 Description

Short technical summary and product information.

The FRN-R-6-1/4 is a 6.25A cartridge fuse manufactured by Eaton - Bussmann Electrical Division. It is designed for overcurrent protection in electrical and industrial applications. The fuse is rated for 250VAC and 125VDC, with a high interrupting rating of 200kA AC and 20kA DC. Its slow blow time characteristic allows it to withstand temporary inrush currents without nuisance opening. The fuse is classified as RK5, indicating a specific time-current characteristic and dimensions. It requires a holder for mounting and has a physical size of 0.560" diameter by 2.000" length (14.22mm x 50.80mm). The fuse is approved by CE, CSA, and UL. It is RoHS3 compliant, REACH unaffected, and has an MSL of level 1. Note that compliance data is unverified. The part is packaged in a cartridge, non-standard format. This fuse is suitable for use in industrial control panels, motor protection, and other equipment requiring high fault current capability.

FRN-R-6-1/4 Quick Information

Product Type: Cartridge Fuse
Series: FRN-R
Canonical Name: FRN-R-6-1/4 Fuse, Cartridge, 6.25A, 250VAC/125VDC, Slow Blow, RK5 Class
Subcategory: Cartridge Fuse

FRN-R-6-1/4 Compliance

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

FRN-R-6-1/4 Estimated Pricing

Qty Low High
1+ $45.94 $45.94
5+ $41.79 $41.79
10+ $41.17 $41.17

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

FRN-R-6-1/4 Features

  • Rated current of 6.25A.
  • AC voltage rating of 250V and DC rating of 125V.
  • Slow blow time response for inrush tolerance.
  • RK5 class fuse with high breaking capacity.
  • Requires a holder for mounting.

FRN-R-6-1/4 Applications

  • Used in electrical and industrial applications.
  • Suitable for motor protection circuits.
  • Ideal for high fault current environments.
  • Applicable in industrial control panels.

FRN-R-6-1/4 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the FRN-R-6-1/4?

6.25A.

What are the voltage ratings for AC and DC?

250VAC and 125VDC.

What is the breaking capacity of this fuse?

200kA AC and 20kA DC.

What is the response time characteristic?

Slow blow.

What is the package type and size?

Cartridge, 0.560" Dia x 2.000" L (14.22mm x 50.80mm).

What approvals does this fuse have?

CE, CSA, UL.

What class is this fuse?

RK5.

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