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Littelfuse

Littelfuse KLC450 450A 600V aR High-Speed Semiconductor Fuse

Part Number: KLC450

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A 450A KLC-series high-speed fuse rated 600V AC, KLC450 is intended for fixed semiconductor-protection installations.

Rated Current450A
Rated Voltage600V AC
Breaking Capacity200kA @ 600VAC
PackageNorth American Bolted Style

Intended for semiconductor devices, Littelfuse KLC450 provides 450A protection at 600V AC with a 200kA interrupting rating. Its bolted-tag KLC construction delivers very-fast-acting, Class aR performance for fixed power-conversion and control equipment. Refer to Littelfuse documentation for exact coordination and installation limits. For cross-reference work, compare its current rating before the package configuration, and verify the series designation against the Littelfuse technical sheet.

Technical Specifications

Part Number
KLC450
Manufacturer Part Number
KLC450
Series
KLC Series
Fuse Type
Traditional High-Speed Semiconductor Fuse
Current Rating
450A
Voltage Rating
600V AC
AC / DC
AC
Breaking Capacity
200kA @ 600VAC
Operating Temperature
-55°C to +125°C
Package / Dimensions
North American Bolted Style
Mounting
Bolt-Down
Application
Control circuits · Power Electronics · Power supplies
Standard
IEC 60269-4
Terminal Type
Bolted Tags
Fuse Speed
Very Fast Acting
Utilization Class
aR
Approvals
CSA · RoHS · UL Recognized
Certifications
UL Recognized · CSA Recognized · RoHS
Body
Melamine
Terminals
Silver-plated copper

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