Eaton FNQ-6/10 Fuse for Industrial Use - 10 kAIC
Part Number: FNQ-6/10
Quick Summary
The Eaton FNQ-6/10 fuse provides time-delay overcurrent protection for motor control circuits in industrial equipment. Nuisance trips from inrush currents and startup surges are a common design pain point that can drive downtime and maintenance costs. This device carries CE marking and RoHS compliance, with a 500 V rating and a robust 10 kAIC interrupt capability to meet modern safety standards. By balancing rapid response to faults with tolerance for legitimate startup transients, it delivers predictable protection and uptime. For engineers and procurement teams, the FNQ-6/10 fits standard ferrule terminations and holders, reducing spares while supporting compliance workflows. It integrates seamlessly with motor starters, contactors, and panel protection schemes across automation environments, delivering reliable protection without complicating maintenance or installation.
Product Information
Extended Description
FNQ-6/10 Eaton: Eaton Bussmann series FNQ fuse, Time-delay, Motor control transformers, Circuits with in-rush currents, 0.6 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-6/10
UPC
051712786003
EAN
5027590060578
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
0.6 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
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - FNQ-6/10
FNQ-6/10~FNQ-6-10~BUSS MIDGET FUSE
Time-delay design enables safe accommodation of motor inrush currents without nuisance tripping, reducing unexpected downtime and improving plant availability. Business impact: higher equipment uptime, lower maintenance costs, and smoother startup sequences in conveyors, fans, and pumps. Application: motor control circuits and drive interfaces benefit from stable protection in automation panels. High interrupt rating of 10 kAIC at 500 Vac provides robust fault current withstand, enhancing panel safety and reducing the risk of downstream damage during short circuits. Business impact: improved safety margins and less costly fault remediation. Application: switchgear assemblies and integrated protection schemes in harsh industrial environments. Ferrule end x ferrule end connections simplify installation and ensure reliable terminations with standard ferrule hardware. Business impact: faster changeovers, fewer connection issues, and reduced field service time. Application: compatible with ferrule-compatible terminals in control panels and compact fuse holders. Nickel-plated bronze endcaps deliver corrosion resistance and durable electrical contact in challenging environments. Business impact: longer fuse life, reduced replacement cycles, and lower lifecycle costs. Application: outdoor or humid plant areas where endcaps face exposure. CE marking and RoHS compliance align with regulatory requirements and sustainability targets, supporting market access and responsible procurement practices. Business impact: easier compliance audits and broader customer acceptance. Application: global manufacturing sites selling into regulated markets. Standard packaging and compact dimensions make it easy to source and replace within existing footprints, minimizing downtime during maintenance. Business impact: streamlined spare parts management and quick procurement. Application: retrofit projects and new builds across control panels and machine enclosures.
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FAQs
FNQ-6/10 ferrule-end fuses require compatible ferrule-terminal blocks and standard fuse holders. Verify ferrule size compatibility, tighten to manufacturer torque specifications, and ensure correct orientation within the panel to avoid loose connections. Use standard crimp ferrules and avoid bending the conductors to maintain reliable contact integrity.
FNQ-6/10 is a time-delay fuse designed to tolerate motor startup inrush while protecting circuits from sustained faults. With a 0.6 A rating and a 10 kAIC interrupt rating at 500 V, it balances protection with nuisance-trip resistance, making it ideal for motor starters, drives, and other automation components.
Yes. The FNQ-6/10 is CE marked and RoHS compliant, confirming conformity with European safety and environmental requirements. Its 500 V rating and 10 kAIC interrupt capability further support compliance for panel builders and integrators working with regulated equipment in industrial facilities.
A 10 kAIC interrupt rating ensures rapid and reliable interruption of high fault currents, protecting wiring insulation and downstream devices. This enhances overall system safety, reduces the risk of collateral damage, and lowers the cost of fault remediation during abnormal conditions.
The FNQ-6/10’s durable construction, ferrule terminations, and standard packaging simplify replacements and field service. Its non-indicating design reduces accidental tampering while maintaining reliable protection, contributing to lower spare parts inventory and predictable maintenance cycles in automation plants.