Eaton NON-125 Fuse – Class H, 125 A, 10 kAIC at 250V
Part Number: NON-125
Quick Summary
Eaton Bussmann NON fuse protects electrical control circuits in industrial equipment for general purpose applications. Engineers rely on dependable protection that doesn't disrupt production due to nuisance trips, and this NON-125 model is designed to minimize downtime in busy panels. It is CE marked and built to Bussmann Class H specifications, offering a robust 125 A rating with a 10 kAIC interrupt capability at 250 Vac. This fuse is non-current-limiting, making it suitable for applications where inrush or startup surges are expected, while still delivering reliable protection. With blade-end connections and standard packaging, it integrates smoothly into existing assemblies, enabling faster procurement and easier field service without compromising safety.
Product Information
Extended Description
NON-125 Eaton: Eaton Bussmann Series Class K5 fuse, NON, general purpose, non-current-limiting fuses, 125 A, one-time fuse, interrupting rating of 10 kA at 250 Vac
Product Name
Eaton Bussmann series NON fuse
Catalog Number
NON-125
UPC
051712101691
Product Length/Depth
7.13 in
Product Height
1.56 in
Product Width
1.56 in
Product Weight
0.8 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
125 A
Interrupt rating
10 kAIC at 250 Vac
Voltage rating
250 Vac, 125 Vdc
Packaging type
Standard
Class
Class H
Connection
Blade end x blade end
Fuse indicator
Non-indicating
Quantity
1
Special features
Non current limiting
Bussmann Full Line Catalog
Bussmann Full Line Catalog
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Bussmann series Fuseology
Bussmann series Class H (K) Fuses Data Sheet no. 1030
Feature: Non-current-limiting design. Business Impact: Reduces nuisance fuse openings during normal inrush, improving equipment availability and reducing maintenance interruptions. Application: Control panels and machine power feeds where startup surges are expected but precise current limiting is not required. The Eaton NON fuse delivers stable protection without triggering on every transient, supporting uptime in automation lines. Feature: 125 A amperage rating with a 10 kAIC interrupt rating at 250 Vac. Business Impact: Provides robust fault-clearing capability for industrial distribution networks, minimizing arc energy exposure and equipment damage. Application: Motor starters, feeders, and general protection in 250 Vac systems, ensuring safe fault clearance across panel blocks and switchgear. This rating also offers peace of mind when coordinating protection with upstream devices.Feature: Blade end x blade end connections with Standard packaging. Business Impact: Simplifies field replacement and stocking, enabling quick swaps in existing Bussmann blocks and reducing maintenance time. Application: Retrofit and new installations in standard Bussmann holders, improving installation efficiency and inventory management.Feature: Class H fuse with Non-indicating, Non-current-limiting features. Business Impact: Clear classification guides proper selection for general protection while avoiding over-sensitivity to non-fault surges. Application: General electrical protection in control circuits and automation equipment, aligning with industry practices for non-critical protection needs. Feature: Compliance and product data. Business Impact: CE Marked status and documented specifications help with compliance reporting and procurement traceability. Application: European installations and global projects requiring standard Bussmann catalog components for predictable performance in automation tasks. Feature: Physical and performance specifications. Business Impact: Known dimensions, weight, and electrical ratings enable accurate panel design and safe handling, reducing installation variance and enabling precise spare-part planning. Application: Control panels, machine cabinets, and power distribution boards in factory automation environments.
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FAQs
Yes. The NON-125 uses blade-end x blade-end connections and comes in a standard Bussmann form factor, allowing plug-in replacement in compatible fuse blocks without rewiring. Confirm exact fixture compatibility with your panel vendor, and ensure correct orientation during installation to maximize protection and ease of maintenance.
The NON-125 provides a 125 A amperage rating with a 10 kAIC interrupt rating at 250 Vac, and a voltage rating of 250 Vac / 125 Vdc. This combination supports reliable fault clearing for general protection in automation equipment while tolerating typical inrush events in control circuits.
NON-125 is well-suited for control panels, machine control circuits, and general electrical protection in factory automation. Its non-current-limiting design helps avoid nuisance trips during startup, while delivering dependable protection in 250 Vac systems and compatible Bussmann holders for straightforward integration.
NON-125 carries CE marking, indicating compliance with European safety standards. For project-specific requirements, consult the Bussmann catalog and regional standards, as additional approvals may apply depending on jurisdiction and application. Always verify with your compliance team that the exact part version meets local regulation needs.
Using NON-125 helps reduce downtime through reliable, readily replaceable protection with standard packaging and blade-end connections. Its 10 kAIC interrupt capability enables safe fault clearance, while non-current-limiting operation minimizes nuisance trips during startup. These factors collectively improve maintenance efficiency and overall equipment uptime in automated facilities.