Eaton FNM-8 Fuse - 8A Time-Delay, 10kAIC CE RoHS
Part Number: FNM-8
Quick Summary
The Eaton FNM-8 fuse delivers reliable overcurrent protection for compact control panels and small electrical circuits. Engineers often contend with nuisance trips during startup and costly downtime when replacing blown fuses. This fuse is CE marked and RoHS compliant, aligning with European safety guidelines and sustainable manufacturing practices. As part of the Bussmann series, the FNM-8 couples a time-delay element with a compact dual-end design to simplify panel wiring and reduce downtime. This combination supports lifecycle cost reduction and easier asset management for procurement teams seeking dependable, long-life protection. It aligns with industry best practices for minimal resistance to expansion and future upgrades.
Product Information
Extended Description
FNM-8 Eaton: Eaton Bussmann series FNM fuse, Time-delay, 8 A, Dual, Non-indicating, Ferrule end x ferrule end, 10 kAIC at 125 Vac, 200 AIC at 250 Vac, Nickel-plated bronze endcap, Standard, 250 V
Product Name
Eaton Bussmann series FNM fuse
Catalog Number
FNM-8
UPC
051712520805
EAN
5027590449618
Product Length/Depth
0.39 in
Product Height
1.44 in
Product Width
0.39 in
Product Weight
0.2 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Amperage Rating
8 A
Interrupt rating
10 kAIC at 125 Vac 200 AIC at 250 Vac
Voltage rating
250 V
Material
Nickel-plated bronze endcap
Number of elements
Dual
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 - FNM-8
FNM-8~BUSS MIDGET FUSE
Datasheet - FNQ-30
Time-delay operation defines the FNM-8's suitability for circuits with brief startup surges, such as relays and small motor starters. The dual-element design ensures that temporary overloads do not trip the circuit, while delivering fast clearing when a sustained fault occurs. This feature translates to smoother equipment startup, fewer nuisance trips, and improved line uptime in automated assemblies. With an 8 A rating and a 250 V rating, the FNM-8 delivers reliable protection across common industrial loads. Its 10 kAIC interrupt rating at 125 Vac and 200 AIC at 250 Vac offer a generous margin for short circuits, reducing conductor damage and downstream faults. This performance supports selective coordination with upstream protection devices, helping limit outages and manage spare parts more effectively. Nickel-plated bronze endcaps and ferrule-end connections are built to withstand vibration and thermal cycling in harsh environments. The rugged construction reduces contact wear and ensures consistent performance under continuous operation. The standard packaging and robust end-terminations simplify field installation and panel wiring, while the non-indicating fuse indicator keeps control cabinets uncluttered and easy to diagnose. Compliance and standards are central to the FNM-8, with CE marking and RoHS compliance that simplify procurement for European projects and sustainability programs. The fuse’s specifications—length, width, and weight—support rigorous validation during audits and design reviews. This alignment accelerates project timelines and reduces the risk of non-compliance. Part of the Eaton Bussmann series, the FNM-8 fits standard fuse holders and control panel footprints, enabling straightforward replacement during maintenance windows. It supports reliable crimping with ferrule terminations and nickel-plated endcaps for long service life, while standard packaging minimizes handling time during assembly. Engineers can source matching fuses across the Bussmann family to maintain consistency in parts inventories.
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FAQs
Install the FNM-8 fuse into a compatible fuse holder or panel socket that accepts ferrule-end terminations. Ensure correct orientation per device, insert firmly, and crimp ferrules with the recommended tools for a tight, vibration-resistant connection. Verify the circuit's voltage rating and amperage match the fuse, then perform a functional check and confirm no indicator fault status after installation.
Key ratings include an 8 A amperage rating and a 250 V voltage rating, with an interrupt rating of 10 kAIC at 125 Vac and 200 AIC at 250 Vac. This combination supports reliable protection for small control circuits and inductive loads while providing ample headroom for short-circuit currents in standard industrial assemblies.
Yes, the FNM-8's time-delay characteristic makes it well-suited for circuits with startup surges common to small motors and relay coils. It protects the wiring and downstream devices while allowing controlled startup. Use in combination with upstream protection for coordinated protection, and ensure the end connections fit your panel's fuse blocks.
CE marking and RoHS compliance are documented for the FNM-8, aligning with European safety and environmental requirements. The Bussmann series also emphasizes reliability and traceability in regulated industries. For additional certifications or compatibility with your internal standards, consult Eaton's datasheets and your procurement guidelines.
Using an 8 A time-delay fuse with robust interrupt ratings reduces nuisance trips, minimizes downtime, and lowers replacement parts costs. The compact form factor saves panel space, while CE RoHS compliance accelerates approvals. Over the lifecycle of a control system, exact ROI depends on load profile, but reliability improvements typically translate into measurable uptime gains and maintenance savings.