Eaton KOS450 fuse - 10 kAIC
Part Number: KOS450
Quick Summary
Eaton KOS450 fuse is a high-current protective device designed for industrial power circuits. It delivers dependable overcurrent protection in demanding environments and supports easy integration into switchgear and motor feeder panels. Engineers often struggle with preventing nuisance trips while maintaining rapid fault clearance in high-inrush applications. This unit carries CE marking and CSA certification where applicable, reinforcing compliance across regional design standards, while its Class K5, knife blade construction enhances reliability in compact Eaton Edison configurations. By standardizing on KOS450, teams can streamline procurement, simplify stocking, and reduce downtime, while preserving clear protection boundaries for critical loads in manufacturing and process facilities.
Product Information
Extended Description
KOS450 Eaton: Eaton Edison KOS fuse, Knife blade, 450 A, Class K5, Non-indicating, 10 kAIC, Standard, 1, 600 V
Product Name
Eaton Edison KOS fuse
Catalog Number
KOS450
UPC
782634374503
Product Length/Depth
13 in
Product Height
3 in
Product Width
3 in
Product Weight
0.001 lb
Warranty
No warranty
Compliances
CE Marked
Certifications
CSA Certified Not Applicable
Amperage Rating
450 A
Interrupt rating
10 kAIC
Voltage rating
600 V
Packaging type
Standard
Class
Class K5
Fuse indicator
Non-indicating
Quantity
1
Special features
Knife blade
450 A amperage rating aligns with heavy‑duty feeders, delivering precise protection for high‑current loads. This translates to fewer nuisance trips and a lower risk of motor damage, reducing unplanned downtime in manufacturing lines and process plants. Ideal for motor feeders and switchgear where reliability matters. With a 10 kAIC interrupt rating, the KOS450 clears faults rapidly, limiting arc damage and stabilizing bus voltages during faults—critical for large equipment or distributed loads where fault currents spike during startup. The 600 V rating ensures safe, compliant operation across common industrial power systems while maintaining compatibility with standard Edison fuse blocks and Bussmann Edison catalog components, reducing installation time and improving interchangeability in existing panels. Class K5 construction with knife blade design and non-indicating operation simplifies integration into compact fuse blocks, ensuring reliable contact and easy insertion/removal in Eaton Edison configurations, supporting quick replacements during outages and reducing maintenance time. Standard packaging and single-unit quantity simplify stocking in storerooms and on the line, with a footprint of 13 in length by 3 in height and 3 in width aligning with common switchgear dimensions, enabling straightforward retrofits and minimizing panel real estate requirements. Compliance and certification, including CE marking and CSA certification where applicable, support global deployment and regulatory alignment; the absence of warranty requires proactive lifecycle planning, but the predictable performance and catalog compatibility of KOS450 streamline procurement and support consistent protection across sites.
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FAQs
For proper installation, use the KOS450 with compatible Edison K5 fuse blocks and confirm that the panel is rated for 600 V operation and at least 450 A. Ensure correct knife-blade alignment, secure connections to minimize contact resistance, and follow lockout-tagout procedures during replacement. The fuse’s 13 in by 3 in footprint fits common switchgear footprints, simplifying retrofits and spare-part planning.
A 10 kAIC interrupt rating means the fuse can interrupt fault currents up to 10 kiloampere, providing rapid fault clearing for motor feeders and large loads. This reduces arc energy and bus voltage sag during faults, minimizing equipment damage and downtime. In practice, it supports safer, more predictable startup/shutoff sequences in manufacturing and process environments.
Yes. The KOS450 is designed for Edison style fuse blocks used in Bussmann Edison catalog lines, featuring a knife-blade design and Class K5 construction. This compatibility streamlines procurement and stocking, enabling straightforward cross‑compatibility with existing switchgear and reducing the risk of part mismatches during maintenance or upgrades.
KOS450 carries CE marking and CSA Certification where applicable, supporting regulatory compliance across many regions. These certifications help align product use with regional electrical codes and safety standards, facilitating procurement for multinational sites and reducing the need for independent local approvals in many cases.
The KOS450 offers reliable protection with a robust interrupt rating and standard footprint, which lowers maintenance time by simplifying replacements and sparing downstream equipment damage. The single-unit packaging and Eaton Edison compatibility simplify stocking and procurement, contributing to lower inventory carrying costs and faster MTBF improvements in high-demand switchgear environments.