Eaton FNQ-1-1/8 Fuse - 10 kAIC at 500 Vac
Part Number: FNQ-1-1/8
Quick Summary
The Eaton FNQ-1-1/8 fuse provides reliable protection for motor control circuits in industrial equipment. It helps prevent nuisance trips during startup inrush and protects valuable drives from damaging faults. The device carries CE Marked and RoHS compliant certifications, ensuring reliability and regulatory alignment across global operations. With 500 V rating and a 1.125 A rating, it supports compact, high-quality fault protection in modern control panels. The ferrule-end x ferrule-end connection and nickel-plated bronze endcaps deliver rugged field installability and long-term durability, helping reduce maintenance costs and simplify wiring in dense electrical cabinets. This makes it a practical choice for panel builders and maintenance teams aiming to improve uptime and total cost of ownership.
Product Information
Extended Description
FNQ-1-1/8 Eaton: Eaton Bussmann series FNQ fuse, Motor control transformers, Circuits with in-rush currents, 1.125 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-1-1/8
UPC
051712786232
Product Length/Depth
1.5 in
Product Height
0.41 in
Product Width
0.41 in
Product Weight
0.175 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Amperage Rating
1.125A
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 complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - FNQ-1-1/8
Amperage rating and high interrupt capacity provide fast action against faults, enabling controlled fuse opening under short-circuit conditions and protecting wiring and downstream components. Business impact includes reduced downtime and minimized risk of equipment damage in motor control circuits and transformer-fed meters. The 1.125 A rating paired with a 10 kAIC interrupt rating at 500 Vac supports selective coordination and reliable fault clearance in industrial panels. Connection is ferrule end x ferrule end, simplifying field terminations with standard ferrules and improving installation speed, while the nickel-plated bronze endcaps offer corrosion resistance for harsh environments. Packaging is Standard, easing stocking and replacement. Compliance with CE Mark and RoHS ensures regulatory readiness across global facilities. Non-indicating design minimizes visual maintenance while allowing hot-swappable replacements in dense laid-out cabinets. The FNQ-1-1/8 integrates seamlessly into Bussmann series ecosystems for consistent performance.
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FAQs
The FNQ-1-1/8 uses ferrule end to ferrule end connections, simplifying field terminations with standard crimped ferrules. With a length of 1.5 inches and a cross-section of 0.41 by 0.41 inches, it fits compact panels and dense wiring. When wiring, ensure ferrule sizes match the fuse ends, maintain proper clearances for 500 V systems, and verify compatibility with upstream protection to achieve coordinated fault clearing.
Yes. It is rated at 1.125 A with a 10 kAIC interrupt rating at 500 Vac, which supports rapid fault clearing while tolerating typical startup inrush in many motor control applications. For larger inrush scenarios, coordinate with upstream protection and consider fuse family coordination and panel design to prevent nuisance trips.
The FNQ-1-1/8 fuse carries CE marking and RoHS compliance, aligning with European safety and environmental requirements. Although UL listing isn’t specified in the provided data, CE RoHS compliance supports regulatory readiness in global manufacturing environments and simplifies supplier qualification for international projects.
The fuse measures 1.5 inches in length with cross-sectional dimensions of 0.41 inches by 0.41 inches and weighs 0.175 pounds. It uses nickel-plated bronze endcaps for corrosion resistance, making it suitable for panels exposed to dusty or humid conditions while maintaining reliable mechanical fit.
Using this fuse improves uptime by enabling fast, predictable fault clearing and protecting downstream devices in motor control circuits. Its standard packaging and Ferrule-end compatibility simplify stocking and replacements, while its compact form supports denser panel layouts. Non-indicating behavior reduces maintenance checks, and alignment with Bussmann series guarantees ecosystem compatibility for ongoing spare-part availability.