Eaton FNM-1 Fuse - Time-delay 1A, 35 AIC at 250V, CE RoHS
Part Number: FNM-1
Quick Summary
The Eaton FNM-1 fuse is a time-delay protection device designed for compact control panels and industrial circuits. In practice, engineers face nuisance trips from inrush surges, which can disrupt production. The FNM-1's dual-element design tolerates overloads while preserving fast protection when faults occur. It is CE marked and RoHS compliant, supporting global deployment, with a 1 A rating and 35 AIC at 250 Vac (and 10 kAIC at 125 Vac) that enable selective coordination and lower total system downtime. Nickel-plated bronze endcaps and ferrule-end connections ensure durable field installation, while standard packaging keeps inventory simple. For panel builders and integrators, this fuse combines reliability with straightforward sourcing from Eaton Bussmann series.
Product Information
Extended Description
FNM-1 Eaton: Eaton Bussmann series FNM fuse, Time-delay, 1 A, Dual, Non-indicating, Ferrule end x ferrule end, 35 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
UPC
051712520102
Product Length/Depth
1.5 in
Product Height
0.41 in
Product Width
0.41 in
Product Weight
0.2 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Amperage Rating
1 A
Interrupt rating
35 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
FNM-1~BUSS MIDGET FUSE
Datasheet - FNQ-30
Feature: Time-delay, dual-element design. Benefit: Tolerates inrush and cycling without nuisance trips, enabling stable startup in motors and drives. Application: Control panels with mixed loads in factory automation. Feature: 1 A amperage rating with high interrupt capability. Benefit: Selective protection that minimizes downstream outages while preserving circuit integrity. Application: Low-power control circuits and signaling lines where precise protection is required. Feature: 35 AIC at 250 Vac and 10 kAIC at 125 Vac. Benefit: Strong fault tolerance across supply variations, reducing fuse replacement frequency and maintenance costs. Application: Industrial equipment with variable surges and fast-clearing needs. Feature: Ferrule end x ferrule end with nickel-plated bronze endcaps. Benefit: Durable, corrosion-resistant connections and easy, reliable installation. Application: Field and panel mounting in harsh environments. Feature: Non-indicating fuse with standard packaging. Benefit: Simple inventory management and predictable maintenance workflows. Application: Mass deployment in assemblies requiring straightforward sourcing and replacement. Feature: Special features include superior overload and cycling capabilities. Benefit: Extended service life under frequent overloads and repeated switching, improving uptime. Application: Repetitive cycling loads in automation and process control.
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FAQs
Yes. The FNM-1 uses ferrule-end connections with ferrule-end x ferrule-end mating, matching standard Bussmann/Bussmann-series holders. Its 1.5 inch length and 0.41 inch square cross-section align with common panel mount and holder footprints, and the nickel-plated bronze endcaps provide durable, corrosion-resistant contacts for reliable field installation.
The FNM-1 is a 1 A time-delay dual-element fuse with 35 AIC interrupt rating at 250 Vac and 10 kAIC at 125 Vac. Its time-delay capability allows short overloads to pass without nuisance trips, while still delivering fast clearance for sustained faults. This makes it suitable for circuits with inrush currents, such as motors or contactor-controlled loads, while maintaining selective protection.
Choose the FNM-1 for compact control panels and low-power circuits needing reliable time-delay protection with moderate interrupt ratings. Its ferrule-end construction and nickel-plated endcaps suit applications requiring durable, easy-to-install components. It’s ideal where 1 A protects sensitive control electronics, yet surge events require robust fault clearance and cycling endurance.
The FNM-1 is CE marked and RoHS compliant, ensuring alignment with European regulatory requirements and low hazardous substance content. These certifications support global deployments in regulated markets and facilitate documentation for compliance auditing, supplier qualification, and end-customer acceptance in industrial environments.
The FNM-1’s non-indicating design minimizes cost of indicators and simplifies stockkeeping through standard packaging. Its robust ferrule-end construction and dual-element design extend service life under frequent cycling, reducing replacement frequency. Maintenance teams benefit from straightforward sourcing and quick field swaps, contributing to overall uptime and lower lifecycle costs in panel assemblies.