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Littelfuse

Littelfuse KLC040 40A 600V aR High-Speed Semiconductor Fuse

Part Number: KLC040

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Littelfuse KLC040 combines a 40A rating with 600V AC high-speed protection for converters, supplies and control circuits.

Rated Current40A
Rated Voltage600V AC
Breaking Capacity200kA @ 600VAC
PackageNorth American Bolted Style

Engineered for semiconductor devices, Littelfuse KLC040 provides 40A 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. Confirm system-level suitability against the manufacturer technical data. For cross-reference work, compare its current rating before the mounting format, and verify the interrupting rating against the Littelfuse technical sheet.

Technical Specifications

Part Number
KLC040
Manufacturer Part Number
KLC040
Series
KLC Series
Fuse Type
Traditional High-Speed Semiconductor Fuse
Current Rating
40A
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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