Eaton FNQ-2-1/4 fuse - 10 kAIC at 500 Vac, Bussmann series
Part Number: FNQ-2/10
Quick Summary
The Eaton FNQ-2-1/4 fuse provides time-delay protection for motor control circuits. Engineers often contend with nuisance trips caused by startup surges in conveyors, pumps, and drives. It is CE marked and RoHS compliant, and it delivers a robust 10 kAIC interrupt rating at 500 V for reliable fault clearing. For panel builders and maintenance teams, the FNQ-2-1/4 offers easy ferrule-end connections and compact form factor, reducing install time and overall system cost. Extended specifications include a 2.25 A amperage rating, 500 V voltage rating, non-indicating design, and standard packaging, all contributing to predictable performance. The product lines up with Bussmann series FNQ fuses, supporting compatibility across Eaton and third-party motor control panels.
Product Information
Extended Description
FNQ-2/10 Eaton: Eaton Bussmann series FNQ fuse, Time-delay, Motor control transformers, Circuits with in-rush currents, 0.2 A, Non-indicating, Ferrule end x ferrule end, 10 kAIC at 500 Vac, Nickel-plated bronze endcap, Standard, 500 V
Product Name
Eaton Bussmann series FNQ fuse
Catalog Number
FNQ-2/10
UPC
051712786218
EAN
5027590449984
Product Length/Depth
0.41 in
Product Height
1.5 in
Product Width
0.41 in
Product Weight
0.175 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Amperage Rating
0.2 A
Interrupt rating
10 kAIC at 500 Vac
Voltage rating
500 V
Material
Nickel-plated bronze endcap
Packaging type
Standard
Connection
Ferrule end x ferrule end
Fuse indicator
Non-indicating
Special features
Non-indicating
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - FNQ-2/10
FNQ-2/10~FNQ-2-10~BUSS MIDGET FUSE
Time-delay operation is designed to tolerate short inrush currents common in motor starters, reducing nuisance tripping. In practical terms, this means higher equipment uptime and fewer troubleshooting calls during startup sequences in conveyors, pumps, and presses. This makes the FNQ-2-1/4 a reliable choice for panel builders seeking consistent protection without unnecessary disruption. A 2.25 A amperage rating ensures proper protection for small loads and calibrates opening time, helping prevent wasted fusing and unplanned downtime in compact motor circuits and solenoid-driven panels. The 10 kAIC interrupt rating at 500 Vac provides substantial fault-current capability, enabling safe clearance of short circuits in drive systems and industrial switchgear. The 500 V rating confirms compatibility with common industrial AC networks, while ferrule-end connections and nickel-plated bronze endcaps deliver secure, corrosion-resistant terminations in harsh environments. Standard packaging simplifies stocking and procurement, and the non-indicating design keeps costs down for bulk-order projects. CE marking and RoHS compliance ensure regulatory alignment and responsible material use across manufacturing facilities. Overall, the FNQ-2-1/4 integrates with Bussmann series fuses for seamless cross-compatibility in mixed fleets and retrofit projects, supporting predictable protection with minimal installation complexity across standard fuse holders and control panels.
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FAQs
The FNQ-2-1/4 fuse is a time-delay device designed for motor control circuits and equipment that experience startup surges. It tolerates brief inrush currents, reducing nuisance trips while protecting wiring, contactors, and drives. Ideal uses include conveyors, pumps, fans, and other motor-driven loads in industrial panels, where reliable protection and minimal downtime are critical.
The FNQ-2-1/4 fuse provides a 2.25 A amperage rating, a 500 V voltage rating, and a 10 kAIC interrupt rating at 500 Vac. These ratings define safe operating limits and fault-clearing capability for typical industrial motor control circuits, ensuring appropriate protection for moderate-load equipment and high-current fault scenarios.
Yes. The time-delay characteristics of the FNQ-2-1/4 fuse are specifically designed to tolerate transient inrush currents common during motor startup. This reduces nuisance tripping and downtime while maintaining rapid response to genuine faults. For panel builders, this translates to more predictable protection in drives, starters, and motor-control circuitry.
FNQ-2-1/4 uses ferrule end x ferrule end connections and nickel-plated bronze endcaps, delivering secure, corrosion-resistant terminations suitable for harsh industrial environments. The non-indicating design and standard packaging simplify installation and procurement, while enabling reliable, long-term performance in control panels and equipment housings.
Yes. The FNQ-2-1/4 is CE marked and RoHS compliant, aligning with European safety, environmental, and regulatory standards. This makes it suitable for global manufacturing environments and helps ensure compliance during audits and product qualifications across industrial facilities.