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FNA-20 Eaton Bussmann FNA-20 is a 20A, 32VAC cartridge fuse with slow blow response and alarm indicating feature.
Mfr Part #:

FNA-20

Available from 1 distributors
Mfr Name: Eaton - Electronics Division
Eaton - Electronics Division
Eaton Bussmann FNA-20 is a 20A, 32VAC cartridge fuse with slow blow response and alarm indicating feature.
✓ Total Stock: 10 pcs
$ Price Range: $115.23 - $138.27

FNA-20 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.

FNA-20 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)
Features
Fuse Type
Mounting Type
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Tape & Reel
Voltage Rating
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FNA-20 Description

Short technical summary and product information.

The Eaton Bussmann FNA-20 is a 20 amp, 32 volt AC cartridge fuse designed for electrical and industrial applications. It features a slow blow (time-delay) response characteristic, making it suitable for circuits with inrush currents. The fuse has a breaking capacity of 1 kA at rated voltage.

 

This fuse comes in a cylindrical, alarm indicating package, which provides visual indication when the fuse has opened. It requires a separate holder for mounting. The FNA-20 is CE approved and is RoHS3 compliant, REACH unaffected, with an MSL of 1 (unlimited).

 

Typical applications include overcurrent protection in electrical and industrial equipment where time-delay characteristics are needed to avoid nuisance tripping from temporary surges.

FNA-20 Quick Information

Product Type: Cartridge Fuse
Canonical Name: Eaton Bussmann FNA-20 Cartridge Fuse, 20A, 32VAC, Slow Blow, Indicating
Subcategory: Specialty Fuses

FNA-20 Compliance

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

FNA-20 Estimated Pricing

Qty Low High
1+ $138.27 $138.27
5+ $115.23 $115.23

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

FNA-20 Features

  • 20A current rating for overcurrent protection.
  • 32VAC voltage rating for AC circuits.
  • Slow blow response for inrush tolerance.
  • Alarm indicating feature for blown fuse detection.
  • 1kA breaking capacity at rated voltage.

FNA-20 Applications

  • Overcurrent protection in industrial control panels.
  • Protection for motors and transformers with inrush.
  • Used in electrical distribution equipment.
  • Suitable for alarm and indication circuits.

FNA-20 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the current rating of the FNA-20 fuse?

The FNA-20 has a current rating of 20 A.

What is the voltage rating of the FNA-20?

The voltage rating is 32 V AC.

What is the breaking capacity of the FNA-20?

The breaking capacity is 1 kA at rated voltage.

Is the FNA-20 a fast-acting or slow-blow fuse?

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

What package or case type does the FNA-20 use?

It comes in a cylindrical, alarm indicating package.

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