FTI The Eaton - Bussmann Electrical Division BK/FRN-R-1 is a slow-blow fuse cartridge rated for 1A at 250VAC and 125VDC. It is part of the Fusetron™ FRN-R series.

Mfr Part #:

FTI

The Eaton - Bussmann Electrical Division BK/FRN-R-1 is a slow-blow fuse cartridge rated for 1A at 250VAC and 125VDC. It is part of the Fusetron™ FRN-R series.

✓ Total Stock: 70 pcs

$ Price Range: $1.20

FTI 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	70 pcs On Request	70 pcs	On Request	1	On Request	On Request	2026-02-25 06:16:38	On Request	On Request

FTI Specifications Quick View

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Category	New Products
Manufacturer Name	Eaton - Electronics Division
Current Rating	1A
Dimensions	0.560" Dia x 2.000" L (14.22mm x 50.80mm)
Mounting Type	Requires Holder
Response Time	Slow Blow
SVHC Present	Not Present

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FTI Description

Short technical summary and product information.

This Eaton - Bussmann Electrical Division BK/FRN-R-1 is a fuse cartridge designed for circuit protection applications. It features a slow blow response time and a current rating of 1A. The voltage rating is 250VAC and 125VDC, with a breaking capacity of 200kA AC and 20kA DC.

The fuse has a dimensions of 0.560" Dia x 2.000" L (14.22mm x 50.80mm) and is classified as RK5. It comes in a bulk package and requires a holder for mounting.

This component is suitable for electrical and industrial applications requiring reliable overcurrent protection. Its specifications make it a robust choice for various circuit protection needs.

FTI Quick Information

Product Type: Fuse Cartridge

Series: FRN-R

Canonical Name: Eaton - Bussmann Electrical Division BK/FRN-R-1 Fuse Cartridge

Subcategory: Fuses

FTI Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

FTI Estimated Pricing

Qty	Low	High
1+	$1.20	$1.20

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

FTI Features

1A current rating for circuit protection.
250VAC/125VDC voltage rating.
Slow blow response time.
High breaking capacity up to 200kA AC.
RK5 fuse class.

FTI Applications

Motor branch circuit protection.
Industrial control panel protection.
Feeder circuit overcurrent protection.
Electrical distribution system protection.
Heavy-duty industrial equipment protection.

FTI FAQs

6 frequently asked questions generated from this part’s specifications.

What is the current rating of the BK/FRN-R-1 fuse?

The current rating is 1A.

What are the voltage ratings for the BK/FRN-R-1 fuse?

The voltage ratings are 250VAC and 125VDC.

What is the response time of the BK/FRN-R-1 fuse?

The response time is slow blow.

What is the breaking capacity of the BK/FRN-R-1 fuse?

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

What are the dimensions of the BK/FRN-R-1 fuse cartridge?

The dimensions are 0.560" Dia x 2.000" L (14.22mm x 50.80mm).

What is the fuse class for the BK/FRN-R-1?

The fuse class is RK5.

FTI