Eaton KAC-250 High Speed Fuse - 200 kAIC CE UL
Part Number: KAC-250
Quick Summary
The Eaton KAC-250 high-speed fuse protects industrial power rectifier circuits with rapid fault interruption. This helps minimize arc energy and safeguard critical power electronics during transient faults. It carries CE marking and UL Recognized certifications, reinforcing regulatory compliance and proven safety in demanding environments. With a 600 V rating and 250 A capacity, it delivers reliable protection for high-current DC systems while supporting fast maintenance and operational efficiency across industrial facilities.
Product Information
Extended Description
KAC-250 Eaton: Eaton Bussmann series Tron KAC high speed fuse, 600V, 250A, 200 kAIC, Non Indicating, High speed fuse, Blade end X blade end, Stud
Product Name
Eaton Bussmann series Tron KAC high speed fuse
Catalog Number
KAC-250
UPC
051712472500
Product Length/Depth
6.182 in
Product Height
6.1 in
Product Width
2.1 in
Product Weight
1.98 lb
Warranty
Not Applicable
Compliances
CE Marked
Certifications
UL Recognized
Amperage Rating
250 A
Interrupt rating
200 kAIC
Voltage rating
600 V
Packaging type
Standard
Connection
Blade end x blade end
Fuse indicator
Non Indicating
Mounting method
Stud
Feature is high-speed interruption with a 600 V rating and 250 A amperage, delivering rapid fault clearance. Business impact includes reduced downtime, lower arc energy, and enhanced equipment reliability in rectifier and DC bus applications. Application is suitable for industrial power conversion systems where fast protection translates to improved uptime and lifecycle cost savings. Feature is UL Recognized and CE Marked, ensuring regulatory compliance and safer procurement decisions. Business impact includes smoother audits, safer field operation, and simplified supplier qualification in electrical protection programs. Application spans blade end x blade end installations and stud mounting, offering installation flexibility in panel layouts and existing gear. Benefits include easier retrofits, compatibility with Bussmann Tron series, and documented datasheets to accelerate design validation. Application notes emphasize space efficiency, with a compact footprint and manageable weight for panel and rack integration. Business outcome is reduced spare parts inventory and predictable maintenance planning, supported by official Eaton documentation and specifications.
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FAQs
Yes. The KAC-250 is designed with blade end x blade end connections for straightforward plug-in assemblies, and it also supports stud mounting to suit panel, busbar, or chassis integration. This dual compatibility reduces the need for dedicated adapters and simplifies retrofits in existing equipment footprints.
The KAC-250 is rated for 600 V, 250 A, with a 200 kAIC interrupt rating. These specifications enable fast fault interruption, minimizing arc energy and protecting downstream power electronics. The high interrupt capacity supports reliable protection in high-current rectifier and DC bus applications, improving system resilience during short-circuit events.
Yes. The KAC-250 is purpose-built for high-speed protection in DC power paths, including rectifiers and DC bus circuits in industrial power conversion. Its fast action reduces downtime, protects key components, and supports longer equipment life when used in conjunction with proper coordination with upstream fuses and breakers.
The KAC-250 carries UL Recognized and CE Marked certifications. UL recognition confirms conformity to safety standards for electrical devices, while CE marking signals compliance with European safety and performance directives. These certifications facilitate procurement, reduce compliance risk, and support global deployment across projects.
Using the KAC-250 can lower maintenance costs by reducing nuisance blows and extending service intervals due to reliable high-speed interruption. Its documented datasheets and compatibility with standard mounting options ease installation, expedite upgrades, and improve uptime for critical rectifier systems, delivering predictable ROI through minimized downtime and streamlined spare-part inventories.