FNA-3/4 250V AC 0.75A FNA Series Fuse

Name: Bussmann FNA-3/4 250V AC 0.75A FNA Series Fuse
Brand: Eaton Bussmann
SKU: FNA-3/4

Supplemental (UL 248-14) fast acting (f) fuse 0.75A 250V, 1/4″ x 1-1/4″ (6.3x32mm) Glass. Designed for electronic circuits, control circuits, equipment protection. 0.3W power loss. UL 248-14, CSA

Quick answer, specifications & FAQ

Direct answer

Eaton Bussmann Supplemental Fuse FNA-3/4 is rated 0.75A, 250V AC, Fast Acting, 1/4" x 1-1/4" (6.3×32mm) Glass. Breaking capacity 35A @ 250V AC / 10000A @ 125V AC, I²t N/A (Supplemental), operating temperature -40°C to +125°C, certifications UL/CSA approval by rating|CE. Listed applications: Electronic Equipment Protection, Equipment protection, Industrial Control Protection. Standards: CSA C22.2 No. 248.14, IEC 60269-4, UL 248-14. 250V AC 0.75A FNA Series fuse

Last updated 23 days ago

Key specifications

Part number: FNA-3/4
Brand: Eaton Bussmann
Rated current: 0.75A
Rated voltage: 250V AC
Breaking capacity: 35A @ 250V AC / 10000A @ 125V AC
Fuse speed: Fast Acting
Package size: 1/4" x 1-1/4" (6.3×32mm) Glass
Dimensions: 1/4" x 1-1/4" (6.3×32mm) Glass
Terminal type: Ferrule
Operating temperature: -40°C to +125°C
Certifications: UL/CSA approval by rating|CE
Standards: CSA C22.2 No. 248.14, IEC 60269-4, UL 248-14

Frequently asked questions

What are the current and voltage ratings of FNA-3/4?

FNA-3/4 is rated 0.75A at 250V AC.

What is the breaking capacity of FNA-3/4?

FNA-3/4 has a breaking capacity of 35A @ 250V AC / 10000A @ 125V AC. Confirm this covers the available fault current at the installation point.

What package size does FNA-3/4 use?

FNA-3/4 uses 1/4" x 1-1/4" (6.3×32mm) Glass package size.

Which standards and approvals apply to FNA-3/4?

FNA-3/4 is listed under CSA C22.2 No. 248.14, IEC 60269-4, UL 248-14 / UL/CSA approval by rating|CE.

What is FNA-3/4 used for?

FNA-3/4 is listed for Electronic Equipment Protection, Equipment protection, Industrial Control Protection applications. Verify suitability for your circuit before ordering.

What are the ordering terms for FNA-3/4?

FNA-3/4: typical lead time 12-16 weeks, minimum order 10 pcs. Submit a quote request for a firm quotation.

Data sources

Part number: FNA-3/4
Brand: Eaton Bussmann
Last updated: 2026-10-10
Canonical URL: https://fusestock.com/products/eaton-bussmann-fna-3-4/

Technical Specifications

Part Number

FNA-3/4

Manufacturer Part Number

FNA-3/4

Series

FNA Series (1/4"x1-1/4" Fast-Acting Supplemental)

Fuse Type

Supplemental Fuse

Current Rating

0.75A

Voltage Rating

250V AC

AC / DC

Breaking Capacity

35A @ 250V AC / 10000A @ 125V AC

I²t

N/A (Supplemental)

Operating Temperature

-40°C to +125°C

Package / Dimensions

1/4" x 1-1/4" (6.3×32mm) Glass

Mounting

Fuse Holder

Application

Electronic Equipment Protection · Equipment protection · Industrial Control Protection

Standard

CSA C22.2 No. 248.14 · IEC 60269-4 · UL 248-14

Terminal Type

Ferrule

Fuse Speed

Fast Acting

Utilization Class

Supplemental

Approvals

CE · UL Recognized

Certifications

UL/CSA approval by rating|CE

Reference Lead Time

12-16 weeks

Minimum Order

10 pcs

Sample Status

Contact for Availability

Pre-arcing I²t

: Watt Loss @ In: 0.3W

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Bussmann FNA-3/4 250V AC 0.75A FNA Series Fuse

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Key specifications

Frequently asked questions

Data sources

Technical Specifications

Bussmann FNA-3/4 250V AC 0.75A FNA Series Fuse

Request a quote for FNA-3/4

Key specifications

Frequently asked questions

Data sources

Technical Specifications

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