Littelfuse KLC004 4A 600V aR High-Speed Semiconductor Fuse
● Contact for AvailabilityLittelfuse KLC004 combines a 4A rating with 600V AC high-speed protection for converters, supplies and control circuits.

Littelfuse KLC004 combines a 4A rating with 600V AC high-speed protection for converters, supplies and control circuits.
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Configured for semiconductor devices, Littelfuse KLC004 provides 4A 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. Check the manufacturer datasheet for final application and derating requirements. For cross-reference work, compare its current rating before the voltage rating, and verify the package configuration against the Littelfuse technical sheet.