KLKR Series - Class CC Fast-Acting Fuse

Series: KLKR
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Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

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 are the most current limiting, rating for rating.
  • Provide superior protection in a fraction of the space required by other fuse classes. For example, when 600 V three-pole, 30 A Class R fuse blocks are replaced by Littelfuse Class CC fuse blocks, panel-mounting space is reduced approximately 70%.

Applications:

General purpose protection of equipment requiring fast overload protection – KLKR series, fast-acting fuses used for protection of equipment containing solid-state devices or other electronic components requiring fast response on overloads.

Safety:

  • 200,000 A.I.R. — Reliable interruption of all overcurrents up to 200,000 amperes.
  • Extremely current limiting — Reduces damage caused by heating and magnetic effects of short-circuit currents…stops damaging short-circuit faster than any mechanical protective device.

Space Saving:

  • Class CC fuses are the smallest 600V, 200,000 A.I.R. fuses approved for branch circuit protection.

Application Spotlight

Littelfuse POWR-Gard Catalog

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)Interrupting RatingOpeningSizeStockSamplesCompare
KLKR.1000.1200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR.1250.125200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR.2000.2200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR.2500.25200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR.3000.3200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR.5000.5200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR.7500.75200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR0011200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR01.51.5200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR0022200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR02.52.5200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR0033200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR03.53.5200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR0044200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR0055200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR0066200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR0077200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR0088200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR0099200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR010
Replaced By: KLKR004 		10200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR01212200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR01515200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR02020200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR02525200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder
KLKR03030200 kA @ 600 VacFast-Acting (F)Class CCCheckOrder

  • Showing 1 items
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
KLKR.100T FUS 600V F/A CLASS CC .100A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR.125T FUS 600V F/A CLASS CC .125A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR.200T FUS 600V F/A CLASS CC .200A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR.250T FUS 600V F/A CLASS CC .250A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR.300T FUS 600V F/A CLASS CC .300A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR.500T FUS 600V F/A CLASS CC .500A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR.750T FUS 600V F/A CLASS CC .750A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR001.T FUS 600V F/A CLASS CC 1A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR01.5T FUS 600V F/A CLASS CC 1.5A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR002.T FUS 600V F/A CLASS CC 2A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR02.5T FUS 600V F/A CLASS CC 2.5A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR003.T FUS 600V F/A CLASS CC 3A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR03.5T FUS 600V F/A CLASS CC 3.5A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR004.T FUS 600V F/A CLASS CC 4A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR005.T FUS 600V F/A CLASS CC 5A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR006.T FUS 600V F/A CLASS CC 6A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR007.T FUS 600V F/A CLASS CC 7A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR008.T FUS 600V F/A CLASS CC 8A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR009.T FUS 600V F/A CLASS CC 9A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR010.T FUS 600V F/A CLASS CC 10A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR012.T FUS 600V F/A CLASS CC 12A RoHS No 02/15/2006 PbFree No 02/15/2006 Yes
KLKR015.T FUS 600V F/A CLASS CC 15A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR020.T FUS 600V F/A CLASS CC 20A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR025.T FUS 600V F/A CLASS CC 25A RoHS No 02/15/2006 PbFree No 02/15/2006 No
KLKR030.T FUS 600V F/A CLASS CC 30A RoHS No 02/15/2006 PbFree No 02/15/2006 No
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