Eaton KOS5 Fuse - Class K5
Part Number: KOS5
Quick Summary
Eaton KOS5 fuse provides fast-acting overcurrent protection for control panels and industrial equipment. This compact Ferrule-design fuse helps ensure reliable circuit protection in tight spaces, reducing nuisance trips and downtime during maintenance. Selecting fuses that meet high interrupt ratings while fitting compact enclosures remains a common challenge, and the KOS5 addresses both with a 5 A rating and 10 kAIC interrupt capacity at 600 V. It is CE marked and CSA certified, supporting European and North American compliance programs. Designed for warranty-conscious manufacturers, the KOS5 simplifies stocking and replacement with a standard 5-inch length and ferrule design, while offering predictable performance in new builds or retrofits. This aligns with Eaton's Edison series for safer, cost-effective protection across industrial panels.
Product Information
Extended Description
KOS5 Eaton: Eaton Edison KOS fuse, Ferrule design, 5 A, Class K5, Non-indicating, 10 kAIC, Standard, 10, 600 V
Product Name
Eaton Edison KOS fuse
Catalog Number
KOS5
UPC
782634370048
Product Length/Depth
5 in
Product Height
0.81 in
Product Width
0.81 in
Product Weight
0.001 lb
Warranty
No warranty
Compliances
CE Marked
Certifications
Not Applicable CSA Certified
Amperage Rating
5 A
Interrupt rating
10 kAIC
Voltage rating
600 V
Packaging type
Standard
Class
Class K5
Fuse indicator
Non-indicating
Quantity
10
Special features
Ferrule design
Feature → Business Impact → Application: The KOS5 uses a ferrule design for secure terminations, enabling rapid field installation and reducing termination errors, which lowers commissioning time and labor costs in control panels and MCCs. This translates to measurable uptime gains in production lines and safer, more reliable wiring assemblies in harsh industrial environments. Application: Ideal for Eaton Edison panel builds and retrofit projects where compact form factor and dependable protection are required. Feature → Business Impact → Application: With a 5 A amperage rating and 10 kAIC interrupt capacity at 600 V, the KOS5 delivers precise protection while tolerating short, high-energy faults without nuisance blowouts, enhancing equipment longevity and reducing spare part consumption. Application: Suitable for motor drives, PLC cabinets, and power distribution blocks in manufacturing and process facilities. Feature → Business Impact → Application: Class K5 and non-indicating indicators streamline inventory management and maintenance planning, simplifying replacement stocking and minimizing confusion in multi-vendor environments. Application: Standard protection across Eaton Edison family installations and cross-compatible panel architectures. Feature → Business Impact → Application: Ferrule design improves reliability of terminations in tight spaces, enabling quicker, cleaner installations and easier troubleshooting during audits. Application: Panel enclosures with limited space or retrofit projects requiring dependable, code-compliant fusing. Feature → Business Impact → Application: Packaging type Standard and Quantity 10 support efficient procurement and batch replacements, reducing stockouts and maintenance delays in factory floors and data centers that rely on Eaton protection devices.
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FAQs
The KOS5 is a standard 5 in long, ferrule-design fuse with a 5 A rating and 10 kAIC interrupt capability at 600 V. It is compatible with Edison Bussmann-style holders and common control panel assemblies, simplifying installation and reducing misfit risk during retrofits or new builds.
A 10 kAIC interrupt rating indicates the fuse can interrupt high-energy fault currents up to 10 kiloampere-rand at the rated voltage. This provides robust protection for feeders, drives, and control circuits, minimizing damage during short-circuit events while supporting safer commissioning and lower downstream repair costs.
Yes. The KOS5 uses a ferrule-design termination for secure connections and a compact form factor that fits tight panel spaces. Its 600 V rating and 5 A current capacity suit many industrial control applications, while its standardized packaging and non-indicating feature simplify maintenance in production environments.
KOS5 is CE Marked and CSA Certified, ensuring compliance with European and North American safety standards. These certifications help streamline cross-border deployments, supplier audits, and regulatory approvals for panel assemblies, reducing certification-related delays.
Standardization to the KOS5 reduces stocking complexity with a common 10-pack quantity, simplifies field replacements thanks to ferrule terminations, and lowers downtime during maintenance. The predictable performance at 5 A and 10 kAIC ratings also minimizes unexpected outages, contributing to lower total cost of ownership over the equipment lifecycle.