Eaton FNA-12 Fuse - 10 kAIC at 125 Vac, Dual-Element
Part Number: FNA-12
Quick Summary
The Eaton FNA-12 fuse is a time-delay protection device designed for control panels and electrical circuits. It addresses nuisance trips often seen with inductive loads during motor starts and solenoid activations. Key certifications include CE Marked compliance and a high 10 kAIC interrupt rating at 125 V, supporting safe fault interruption in industrial environments. This fuse also delivers reliable performance for electronic circuits, balancing protection with long-term maintenance efficiency and cost savings.
Product Information
Extended Description
FNA-12 Eaton: Eaton Bussmann series FNA fuse, Time-delay fuse, Inductive load circuits, Electronic circuits, 12 A, Dual, Non-indicating, 10 kAIC at 125 Vac, Silver-plated pin, Standard, 125 V
Product Name
Eaton Bussmann series FNA fuse
Catalog Number
FNA-12
UPC
051712713658
EAN
5027590060059
Product Length/Depth
0.817 in
Product Height
1.843 in
Product Width
0.817 in
Product Weight
0.3 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
12 A
Interrupt rating
10 kAIC at 125 Vac
Voltage rating
125 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
Eaton Specification Sheet - FNA-12
FNA-12~FUSETRON DUAL-ELEMENT INDICATING
Datasheet - FNQ-30
Feature → Business Impact → Application: Time-delay design enables higher inrush handling, reducing nuisance trips while protecting sensitive loads during startup. This is particularly valuable for motors, solenoids, and other inductive loads in machine control cabinets. Application: motor starters and drive circuits where startup surges occur. Feature → Business Impact → Application: 12 A amperage rating provides appropriate protection for standard control circuits and electronics, minimizing nuisance faulting and enabling predictable replacement cycles. Application: PLC power rails and sensor networks in automation racks. Feature → Business Impact → Application: 10 kAIC interrupt rating at 125 V delivers robust fault current protection, improving safety margins in panels fed from moderate-to-high fault currents. Application: distribution blocks and feeder circuits in industrial enclosures. Feature → Business Impact → Application: Dual-element construction enhances overload tolerance and cycling capability, extending fuse life and reducing maintenance downtime. Application: control loops and power supplies with frequent waveform fluctuations. Feature → Business Impact → Application: Silver-plated pins and standard packaging improve contact reliability and ease of replacement during routine maintenance. Application: retrofits and new installations in 125 V control architectures across machine platforms. Feature → Business Impact → Application: CE Marked compliance provides regulatory alignment for European installations, while non-indicating status simplifies indicator management in dense panel layouts. Application: global manufacturing and equipment installations requiring standard safety certifications.
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FAQs
Yes. The FNA-12 is a time-delay, dual-element fuse designed for inductive loads common in 125 V control circuits. Its 12 A rating and 10 kAIC interrupt capability accommodate startup surges in motors, solenoids, and automated actuators while protecting the broader control system.
The FNA-12 provides a 10 kAIC interrupt rating at 125 V, meaning it can safely interrupt high fault currents without welding or excessive arcing. This delivers improved protection for power feeders, drives, and control circuits against short circuits and overload events.
The dual-element design combines fast-responding and time-delay characteristics to tolerate brief inrush currents while still interrupting sustained overloads. This reduces nuisance trips during motor starts and high inrush events, supporting uninterrupted production and reduced maintenance interventions.
Yes, the FNA-12 is CE marked, indicating conformity with European safety, health, and environmental requirements. This helps ensure compliance for equipment installed in EU markets and aligns with industry-standard protection practices for electrical devices.
Install the FNA-12 in 125 V circuits where time-delay protection is appropriate for inductive loads. Ensure proper terminal contact with silver-plated pins for reliable connections, verify enclosure spacing to accommodate the fuse footprint, and confirm that the panel’s fault-current rating aligns with the 10 kAIC capability.