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Littelfuse KLKR.300

Littelfuse KLKR.300

MPNKLKR.300

KLKR UL CLASS CC FAST-ACTING FUSE.300A|KLKR UL CLASS CC FAST-ACTING FUSE.300A. KLKR series Class CC fuses are fast-acting fuses intended for general-purpose branch circuit protection. Their compact size, fast-acting overload response, and their highly current limiting design make them ideal for use in OEM equipment and control panels because. Solid-state devices such as SCRs and other electronic equipment generally require fast-acting protection. Compared to other UL Listed fuses, Class CC fuses

$17.27Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

KLKR.300 key specifications
ParameterValue
SeriesKLKR
Equivalent seriesATMR, KLKR, KTK-R
Equivalent brand and seriesBussmann KTK-R; Littelfuse KLKR; Mersen ATMR
Compatible fuse block seriesL600C
AC voltage rating600V AC
DC voltage rating300V DC
Body materialMelamine
StandardsCE; CSA Certified; RoHS; UL 248-4; UL Listed
Amps0.3 A
BrandLITTELFUSE
ClassCC
SpeedFast Acting

All specifications

KLKR.300 additional specifications
ParameterValue
Length1-1/2 in
ElementDual
Diameter13/32 in
Sub-brandLittelfuse
Body styleCylindrical
Interrupt rating200kA at 600V AC; 20kA at 300V DC
Visual indicationNonindicating
Fuse size (Lg x dia)1-1/2 in x 13/32 in
Fits fuse block styleRejection
MPN
KLKR.300