Eaton FNA-1-4/10 fuse - Time-delay 1.40A, 250V CE Marked
Part Number: FNA-1-4/10
Quick Summary
Eaton FNA-1-4/10 fuse is a time-delay device used to protect inductive loads in control panels. Nuisance trips and production stoppages from inrush currents are common challenges in mixed load wiring, and this fuse is designed to ride through short surges without compromising protection. CE marking ensures compliance with European safety standards, while the Bussmann series pedigree delivers dependable performance across industrial applications. This device supports both inductive and electronic circuits, aiding panel builders in achieving consistent protection without over-fusing. For engineers seeking reliable protection with straightforward sizing and installation, the FNA-1-4/10 offers a robust balance of protection, availability, and lifecycle cost reduction.
Product Information
Extended Description
FNA-1-4/10 Eaton: Eaton Bussmann series FNA fuse, Time-delay fuse, Inductive load circuits, Electronic circuits, 1.4 A, Dual, Non-indicating, 200 kAIC at 250 Vac, 10 kAIC at 125 Vac, Silver-plated pin, Standard, 250 V
Product Name
Eaton Bussmann series FNA fuse
Catalog Number
FNA-1-4/10
UPC
051712713467
EAN
5027590425834
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
1.40A
Interrupt rating
10 kAIC at 125 Vac 200 kAIC at 250 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-1-4/10
Time-delay design minimizes nuisance tripping by tolerating inrush currents in inductive loads, improving equipment uptime and reducing unnecessary fuse replacements. This translates to tangible business value in motor start-up sequences, transformers, and power supplies where brief surges occur, while maintaining safe circuit protection. The 1.40A amperage rating provides precise protection for low-current control circuits and PLC I/O lines, lowering the risk of over-fusing sensitive electronics. With a 250 V rating and high interrupt capability (200 kAIC at 250 V; 10 kAIC at 125 V), the device delivers robust fault clearance and panel safety during short-circuit events. The dual-element, non-indicating design reduces maintenance overhead and simplifies replacement in busy control panels, while silver-plated pins ensure reliable, corrosion-resistant connections for long-term performance. Standard packaging supports quick stocking and easy installation in common fuse holders, and the overall design offers superior overload cycling capabilities for frequent cycling environments. This fuse line integrates seamlessly with the Eaton Bussmann ecosystem, delivering compatibility, supply chain reliability, and a lower total cost of ownership for industrial protection strategies.
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FAQs
To install, power down the panel, remove the existing fuse if present, and insert the FNA-1-4/10 into a compatible standard fuse holder. Ensure the holder exchanges with the silver-plated pin end connectors and that the installation torques are within the panel’s rated specifications. Verify proper seating and perform a continuity check after re-energizing.
The fuse is a time-delay type designed to tolerate transient inrush currents common in inductive circuits such as motors and transformers. This reduces nuisance trips while preserving protection during fault conditions. Its 1.40A rating and 250 V rating ensure appropriate coordination with typical control circuits, delivering reliable protection without unnecessary interruptions.
Yes, the FNA-1-4/10 is CE marked, indicating conformity with relevant European safety requirements. This compliance helps engineers meet regulatory expectations in European hardware installations and supports consistent protection across electronic and electrical panels in industrial environments.
The fuse carries a 1.40A amperage rating with a 250 V voltage rating. It provides interrupt capabilities of up to 200 kAIC at 250 V and 10 kAIC at 125 V, enabling safe fault clearance in high-energy panels and protecting downstream components from catastrophic damage.
Industries relying on electrical protection in control panels, including industrial automation, robotics, power supplies, and PLC-based systems, benefit from its time-delay performance and robust interruption ratings. It is well-suited for inductive loads and electronic circuits in motor control centers, cabinet assemblies, and other industrial environments needing reliable protection with minimal maintenance.