Eaton FNM-1-4/10 Fuse - 10 kAIC, CE Marked Durable
Part Number: FNM-1-4/10
Quick Summary
The Eaton FNM-1-4/10 fuse provides reliable overcurrent protection for low-voltage circuits in industrial control panels. Its time-delay design helps tolerate startup surges, minimizing nuisance trips and unscheduled downtime. CE marking demonstrates compliance with European safety standards, while the 125 Vac and 250 Vac ratings support safe operation across common control architectures. By selecting this Bussmann series device, engineers gain predictable protection, simplified sourcing, and consistent performance across panel designs. With ferrule-end connections, nickel-plated bronze endcaps, and a compact footprint, it balances ease of installation with long-term durability for everyday plant conditions.
Product Information
Extended Description
FNM-1-4/10 Eaton: Eaton Bussmann series FNM fuse, Time-delay, 1.4 A, Dual, Non-indicating, Ferrule end x ferrule end, 10 kAIC at 125 Vac, 100 AIC at 250 Vac, Nickel-plated bronze endcap, Standard, 250 V
Product Name
Eaton Bussmann series FNM fuse
Catalog Number
FNM-1-4/10
UPC
051712520140
EAN
5027590407434
Product Length/Depth
0.39 in
Product Height
1.44 in
Product Width
0.39 in
Product Weight
0.2 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
1.40A
Interrupt rating
10 kAIC at 125 Vac 100 AIC at 250 Vac
Voltage rating
250 V
Material
Nickel-plated bronze endcap
Number of elements
Dual
Packaging type
Standard
Connection
Ferrule end x ferrule end
Fuse indicator
Non-indicating
Special features
Superior overload and cycling capabilities
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - FNM-1-4/10
FNM-1-4/10~FNM-1-4-10~BUSS MIDGET FUSE
Time-delay operation handles inrush and cycling, reducing nuisance trips and extending equipment life in motor drives and conveyor systems. This translates to lower maintenance costs and higher uptime for automated lines. The dual-element construction with ferrule-end x ferrule-end connection and nickel-plated bronze endcaps delivers robust mechanical integrity and easy field replacement, minimizing downtime during maintenance windows. A 1.40 A amperage rating with a 250 V voltage rating and 10 kAIC at 125 Vac / 100 AIC at 250 Vac interrupt capability provides reliable protection for critical power rails, promoting device longevity and safer panel operation. The standard packaging and Bussmann series compatibility streamline sourcing, stocking, and cross-compatibility with existing protection strategies. This design also addresses common objections around cycling protection by delivering consistent performance under repeated overloads. In practice, engineers value the predictable performance of this time-delay fuse in high-cycle applications like robotics, press lines, and automation cabinets.
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FAQs
The FNM-1-4/10 uses ferrule-end x ferrule-end connections and fits standard Bussmann-series protection footprints. Install with the ferrule terminals seated securely, ensuring alignment with the panel rail and proper contact pressure to achieve a reliable connection. Check the endcaps for secure seating and verify that the circuit is de-energized before replacement.
This fuse is rated for 1.40 A at 250 V, with an interrupt rating of 10 kAIC at 125 Vac and 100 AIC at 250 Vac. It is designed as a time-delay (dual-element) device, suitable for circuits that experience short inrush or cycling loads, while providing robust protection against sustained overcurrents.
Yes. The time-delay design accommodates temporary inrush and cycling, reducing nuisance tripping during motor start-up and other transient events. This helps maintain uptime in conveyors, automation lines, and drive applications, while still providing reliable overcurrent protection.
The device is CE Marked, indicating compliance with European safety standards. This supports regulatory compatibility for European machinery and panels, simplifying market acceptance and installation in CE-compliant environments.
By combining time-delay protection with a compact, durable ferrule-end design, the fuse minimizes downtime, reduces maintenance costs, and provides predictable protection across multiple panel designs. Its compatibility with Bussmann-series components and robust interrupt ratings also supports easier stocking and faster replacements, improving total cost of ownership in automation cabinets.