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FRS-R-2-1/2 Eaton Bussmann FRS-R-2-1/2 is a Class RK5 cartridge fuse rated 2.5A at 600VAC/300VDC with a slow blow response time and 200kA AC interrupting rating.
Mfr Part #:

FRS-R-2-1/2

Available from 1 distributors
Mfr Name: Eaton - Electronics Division
Eaton - Electronics Division
Eaton Bussmann FRS-R-2-1/2 is a Class RK5 cartridge fuse rated 2.5A at 600VAC/300VDC with a slow blow response time and 200kA AC interrupting rating.
✓ Total Stock: 10 pcs
$ Price Range: $67.05 - $72.34

FRS-R-2-1/2 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
10 pcs
On Request
10 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.

FRS-R-2-1/2 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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FRS-R-2-1/2 Description

Short technical summary and product information.

The Eaton Bussmann FRS-R-2-1/2 is a Class RK5 cartridge fuse designed for overcurrent protection in electrical and industrial applications. It is rated for 2.5A continuous current with a voltage rating of 600VAC and 300VDC. The fuse offers a high interrupting capacity of 200kA AC and 20kA DC, making it suitable for circuits with high available fault current.

 

This fuse features a slow blow (time-delay) response characteristic, which allows it to tolerate temporary inrush currents without nuisance opening. It requires a separate fuse holder for mounting and is packaged in a non-standard cartridge form factor measuring 0.810 inches in diameter by 3.00 inches in length (20.57mm x 76.20mm).

 

The FRS-R-2-1/2 carries approvals from CE, CSA, and UL, indicating compliance with recognized safety standards. It is intended for use in branch circuits, motor protection, and other industrial power distribution systems where Class RK5 fuses are specified.

FRS-R-2-1/2 Quick Information

Product Type: Cartridge Fuse
Series: FRS-R
Canonical Name: Eaton Bussmann FRS-R-2-1/2 Class RK5 Cartridge Fuse, 2.5A, 600VAC/300VDC, Slow Blow
Subcategory: Class RK5 Fuse

FRS-R-2-1/2 Compliance

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

FRS-R-2-1/2 Estimated Pricing

Qty Low High
1+ $72.34 $72.34
5+ $67.05 $67.05

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

FRS-R-2-1/2 Features

  • Class RK5 time-delay cartridge fuse.
  • Rated 2.5A at 600VAC and 300VDC.
  • 200kA AC interrupting capacity.
  • Slow blow response for inrush tolerance.
  • CE, CSA, UL approved.

FRS-R-2-1/2 Applications

  • Overcurrent protection in industrial control panels.
  • Motor branch circuit protection.
  • Power distribution in electrical systems.
  • High fault current applications.

FRS-R-2-1/2 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the FRS-R-2-1/2 fuse?

The FRS-R-2-1/2 is rated for 2.5A continuous current.

What is the voltage rating of this fuse?

It is rated for 600VAC and 300VDC.

What is the breaking capacity of the FRS-R-2-1/2?

The interrupting rating is 200kA AC and 20kA DC.

Is this a fast-acting or slow-blow fuse?

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

What is the physical size of the FRS-R-2-1/2?

It measures 0.810 inches in diameter by 3.00 inches in length (20.57mm x 76.20mm).

What fuse class is the FRS-R-2-1/2?

It is a Class RK5 fuse.

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