Eaton FNA-1/8 fuse - 10 kAIC @125V, CE Certified
Part Number: FNA-1/8
Quick Summary
The Eaton FNA-1/8 fuse is a time-delay device protecting inductive and electronic circuits in industrial control panels. Engineers often contend with nuisance trips during cycling; this time-delay design minimizes unnecessary outages while meeting fast return-to-service demands. CE Marked compliance, dual-element construction, and high interrupt ratings support reliability across European and North American panels. From control cabinets to motor drives, the FNA-1/8 delivers predictable protection with a compact footprint and easy integration. Its 0.125 A rating at 250 V and 10 kAIC at 125 V provide precise protection for sensitive loads.
Product Information
Extended Description
FNA-1/8 Eaton: Eaton Bussmann series FNA fuse, Time-delay fuse, Inductive load circuits, Electronic circuits, 0.125 A, Dual, Non-indicating, 10 kAIC at 125 Vac, 35 AIC at 250 Vac, Silver-plated pin, Standard, 250 V
Product Name
Eaton Bussmann series FNA fuse
Catalog Number
FNA-1/8
UPC
051712713344
EAN
5027590427241
Product Length/Depth
0.35 in
Product Height
1.46 in
Product Width
0.35 in
Product Weight
0.1 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
0.125A
Interrupt rating
35 AIC at 250 Vac 10 kAIC at 125 Vac
Voltage rating
250 V
Material
Silver-plated pin
Number of elements
Dual
Packaging type
Standard
Fuse indicator
Non-indicating
Special features
Superior overload and cycling capabilities
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Eaton Specification Sheet - FNA-1/8
Feature: Time-delay, dual-element design. Business Impact: Reduces nuisance tripping on cycling loads such as motors and solenoids, improving uptime and maintenance scheduling. Application: Industrial control panels and drives where short surges occur but continuous protection is required. Feature: Very low current rating of 0.125 A. Business Impact: Enables precise protection for low-current electronics and sensor rails, cutting nuisance outages and extending component life. Application: Control electronics and logic circuits within automation racks. Feature: High interrupt ratings — 10 kAIC at 125 VAC and 35 AIC at 250 VAC. Business Impact: Safer fault interruption for inductive and electronic circuits, reducing downstream equipment damage and downtime. Application: Motors, drives, and power circuits in demanding environments. Feature: Silver-plated pins and dual elements. Business Impact: Improved contact reliability and corrosion resistance, delivering long-term performance in harsh industrial settings. Application: Board-level and chassis-mounted fuse installations with stable electrical connections. Feature: Standard packaging and non-indicating fuse indicator. Business Impact: Simplifies stocking and replacement in maintenance programs without altering panel aesthetics. Application: Fast swap-outs in commercial and industrial panels; aligns with Bussmann series compatibility. Insight: This fuse is designed for reliability and long-cycle life in high-demand environments, supporting ongoing efficiency and cost containment in automation projects.
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FAQs
The FNA-1/8 is a time-delay, dual-element fuse designed to protect inductive and electronic circuits in industrial control panels, motor drives, and associated power electronics, reducing nuisance trips while preserving equipment safety.
It has a 0.125 A rating at 250 V, with interruption ratings of 10 kAIC at 125 V and 35 AIC at 250 V, providing robust fault interruption for both low- and high-energy circuits.
Yes. It uses silver-plated pins and standard Bussmann-series packaging, designed for reliable mounting in common fuse holders and panels without special adapters.
The time-delay, dual-element design supports repeated cycling with inductive loads, reducing nuisance trips and extending component life in demanding automation environments.
Refer to Eaton’s Bussmann FNA-1/8 specification sheet and catalog PDFs linked in the downloads section for complete electrical, mechanical, and packaging details.