277 In-Line Series - 32V 20A Blade Fuse Holder

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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.

The 277 In-Line Series 32V 20A Blade Fuse Holder is available for ATO® blade fuses as well as FKS fuses and is compatible with fuses rated up to 20A (fuses sold separately). The easy-to-install in-line fuse holder handles up to 15A of continuous current. A waterproof 277 In-Line Series fuse holder model featuring red wire leads is available.

Features and Benefits

  • Accepts fuses rated up to 20A (fuses sold separately)
  • Handles up to 15A of continuous current
  • Available for ATO® blade fuses and FKS fuses
  • Waterproof fuse holder model with a tetherable, sealed cover and 2.5 mm2 red PVC FLY HT105° ISO 6722 wire leads is available


  • Automotive Circuit Protection
  • Accessory Circuits

Access specifications, certifications, check availability and order parts below

Catalog #Fuse TypeStockSamplesCompare
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
277.6106.0002 HOLDER - FK 250 PCS. BULK RoHS No 08/01/2012 PbFree No 08/01/2012 Yes
277.6306.0001 HOLDER -FKW (ATO) FKS 2.5MM² WATERPROOF RoHS No PbFree No CoC_RoHS10_277.6306.0001 REACH219_Declaration_277.6306.0001
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