FNQ-4-1/2 Cartridge fuse rated 4.5A and 500VAC with slow blow response. Features 10kA breaking capacity and 5AG (10x38mm) package requiring holder.
Mfr Part #:

FNQ-4-1/2

Available from 1 distributors
Mfr Name: Eaton - Electronics Division
Eaton - Electronics Division
Cartridge fuse rated 4.5A and 500VAC with slow blow response. Features 10kA breaking capacity and 5AG (10x38mm) package requiring holder.
Total Stock: 6 pcs
$ Price Range: $95.45 - $103.98

FNQ-4-1/2 Available from 1 distributor

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
6 pcs
6 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

FNQ-4-1/2 Specifications Quick View

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

FNQ-4-1/2 Description

Short technical summary and product information.

The FNQ-4-1/2 is a 4.5A, 500VAC cartridge fuse from Eaton Bussmann with a slow blow response time. It offers a breaking capacity of 10kA at rated voltage, suitable for industrial and electrical applications with high inrush currents. The fuse uses a 5AG (10mm x 38mm) midget cartridge package and requires a holder for installation. It carries CE, CSA, and UL approvals (unverified from source).

FNQ-4-1/2 Quick Information

Product Type: Cartridge Fuse
Canonical Name: Eaton Bussmann FNQ-4-1/2 4.5A 500VAC Slow Blow Cartridge Fuse
Subcategory: Electrical/Industrial Fuses

FNQ-4-1/2 Compliance

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

FNQ-4-1/2 Estimated Pricing

Qty Low High
1+ $103.98 $103.98
5+ $95.45 $95.45

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

FNQ-4-1/2 Features

  • Rated for 4.5A continuous current.
  • Voltage rating of 500VAC.
  • 10kA interrupting capacity at rated voltage.
  • Slow blow response time for inrush applications.
  • 5AG cartridge package (10mm x 38mm).

FNQ-4-1/2 Applications

  • Suitable for industrial electrical systems.
  • Used in motor protection circuits.
  • Ideal for equipment requiring high inrush tolerance.

FNQ-4-1/2 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the FNQ-4-1/2?

4.5A.

What is the voltage rating of the FNQ-4-1/2?

500VAC.

What is the breaking capacity of the FNQ-4-1/2?

10kA at rated voltage (500V).

What is the response time of the FNQ-4-1/2?

Slow blow.

What package type is the FNQ-4-1/2?

5AG (10mm x 38mm) cartridge, also known as midget.

Does the FNQ-4-1/2 require a fuse holder?

Yes, mounting type requires a holder.

What approvals does the FNQ-4-1/2 carry?

CE, CSA, and UL (unverified from source).

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