Eaton FNM-1-1/4 Fuse - Time-delay 1.25 A, 100 AIC, CE RoHS
Part Number: FNM-1-1/4
Quick Summary
Eaton FNM-1-1/4 fuse provides time-delay protection for small control circuits in automation panels. Engineers often contend with nuisance outages from brief overloads and uncertain fuse performance that disrupt production. It is CE marked and RoHS compliant, with 100 AIC at 250 Vac and 10 kAIC at 125 Vac, plus nickel-plated bronze endcaps for durability. The dual-element ferrule-end design enables reliable protection in compact footprints, simplifying installation and service in modern control cabinets. This combination supports regulatory compliance while delivering measurable improvements in uptime and maintenance cost for panel builders.
Product Information
Extended Description
FNM-1-1/4 Eaton: Eaton Bussmann series FNM fuse, Time-delay, 1.25 A, Dual, Non-indicating, Ferrule end x ferrule end, 100 AIC at 250 Vac, 10 kAIC at 125 Vac, Nickel-plated bronze endcap, Standard, 250 V
Product Name
Eaton Bussmann series FNM fuse
Catalog Number
FNM-1-1/4
UPC
051712520126
EAN
5027590449359
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
1.25 A
Interrupt rating
100 AIC at 250 Vac 10 kAIC at 125 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
Superior overload and cycling capabilities
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - FNM-1-1/4
FNM-1-1/4~FNM-1-1-4~BUSS MIDGET FUSE
Feature: Time-delay, dual-element design provides staged overload protection. Business impact: lowers nuisance trips in startup sequences, protecting delicate control circuits while avoiding unnecessary outages. Application: ideal for automation panels, PLC-powered equipment, and small motor starters within rail- or cabinet-mounted systems. Long-tail keywords: time-delay fuse for control circuits, Bussmann series dual element fuses, protection for automation panels. Feature: High interrupt ratings—100 AIC at 250 VAC and 10 kAIC at 125 VAC—delivers robust fault handling. Business impact: safer, faster clearance of surges with minimal collateral damage to surrounding circuitry. Application: panel feeders and distribution blocks in industrial environments. Keywords: 100 AIC at 250 VAC fuse, 10 kAIC at 125 VAC, industrial surge protection. Feature: Ferrule-end x ferrule-end connections with nickel-plated bronze endcaps offer durable, corrosion-resistant terminations. Business impact: easier field wiring, long-term reliability, and compatibility with standard ferrule terminals. Application: control cabinet assemblies and field installs. Keywords: ferrule end fuse, nickel-plated endcaps, robust mechanical connection. Feature: CE Marked RoHS Compliant ensures regulatory alignment for global sourcing. Business impact: reduces procurement risk, simplifies compliance documentation, and speeds up project approval. Application: multinational manufacturing lines and automation integrators. Keywords: CE Marked, RoHS compliant fuse. Feature: Non-indicating fuse with standard packaging supports lean stocking and clear sourcing. Business impact: lowers inventory complexity while requiring external indicators for status monitoring in critical lines. Application: general-purpose protection in automation enclosures. Keywords: non-indicating fuse, standard packaging, Bussmann series catalog.
Get a Quick Quote for a Eaton FNM-1-1/4
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton FNM-1-1/4?
Enquire Now
FAQs
The FNM-1-1/4 is a dual-element, ferrule-end fuse designed for standard ferrule terminations. To install, align the ferrule ends with the mating terminals in the panel block and push firmly until seated. Ensure the circuit is de-energized before replacement. Verify the 1.25 A rating and the 250 V maximum working voltage are appropriate for the protected load, and consult the Eaton Bussmann datasheet for thermal and compatibility guidelines.
The fuse has an amperage rating of 1.25 A and a voltage rating of 250 V. Its interrupt ratings are 100 AIC at 250 VAC and 10 kAIC at 125 VAC, enabling safe interruption of overloads in mixed-voltage control circuits. This combination supports reliable protection for small control circuits and minor motors within automation panels.
Yes. The fuse is CE Marked and RoHS compliant, aligning with European regulatory requirements and global environmental standards. This makes it suitable for multinational production lines and helps simplify cross-border procurement, reducing compliance overhead for panel builders and distributors.
Best suited for small control circuits, panel protection, and control cabinet applications. The time-delay capability accommodates startups and cycling in PLCs, relays, and small motor starters, while the nickel-plated endcaps and ferrule-end connections ensure durable, repeatable terminations. It integrates well with Bussmann series protection strategies and standard enclosure layouts.
Non-indicating fuses require external status monitoring if you need real-time feed protection visibility. Plan for routine panel inspection and periodic fuse replacement schedules based on historical fault rates. Consider adding a remote or panel-mounted indicator circuit to alert maintenance staff when a fuse has opened, ensuring minimal downtime in critical lines.