Eaton FNQ-3/10 Fuse for Motor Control - 10 kAIC at 500 Vac
Part Number: FNQ-3/10
Quick Summary
FNQ-3/10 fuse provides time-delay protection for motor control circuits in automation panels. Inrush currents can trigger trips, causing unplanned downtime and reduced productivity. CE Marked and RoHS compliant, it meets essential safety and environmental standards while simplifying regulatory compliance. Its ferrule-end construction and compact profile support quick, reliable wiring and consistent protection, helping maintain uptime and reduce maintenance costs in industrial environments.
Product Information
Extended Description
FNQ-3/10 Eaton: Eaton Bussmann series FNQ fuse, Time-delay, Motor control transformers, Circuits with in-rush currents, 0.3 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-3/10
UPC
051712786089
EAN
5027590170468
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
0.3 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-3/10
FNQ-3/10~FNQ-3-10~BUSS MIDGET FUSE
Time-delay protection minimizes nuisance trips during motor startup, improving overall equipment uptime and productivity. This 0.3 A amperage rating gives precise overcurrent protection for low-current control circuits, reducing the risk of unnecessary fuse blows while preserving circuit integrity. The 10 kAIC interrupt rating at 500 Vac provides robust fault-current protection, safeguarding downstream devices in industrial power systems. Ferrule-end x ferrule-end connections enable straightforward, vibration-resistant wiring and faster panel integration, lowering installation costs and errors. Nickel-plated bronze endcaps offer durable, low-resistance contacts for long service life in harsh environments, supporting lower maintenance needs. Packaging as Standard keeps stocking simple for maintenance teams and OEMs alike, while CE RoHS compliance ensures regulatory alignment across global deployments. These features collectively shorten time-to-protect and help maintain compliance without compromising performance.
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FAQs
The FNQ-3/10 uses ferrule-end terminations designed for secure panel wiring. Ensure compatible ferrule lugs and verify panel cutouts align with the fuse dimensions (0.41 in width, 1.5 in height). Keep the standard packaging in mind for stocking and easy replacement during maintenance.
The fuse is rated for 0.3 A, operates at 500 V, and provides a 10 kAIC interrupt rating at 500 Vac. It is non-indicating and uses nickel-plated bronze endcaps with standard packaging suitable for typical control panels.
Yes. Its time-delay characteristic accommodates motor startup inrush, protecting circuits without nuisance tripping. It is well-suited for motor control transformers and other inrush-heavy control circuits in industrial automation environments.
The FNQ-3/10 is CE Marked and RoHS Compliant, signaling compliance with European safety and environmental requirements, which supports regulatory alignment for global deployments.
Maintain by ensuring ferrule terminals remain clean and secure; replace with the same FNQ-3/10 model to preserve electrical ratings. Its standard packaging simplifies stocking, while the ferrule-end design speeds replacement without rewiring.