AFB Series - ATO Power Distribution Fuse Blocks

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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.

  • 12-gang
  • Accepts ATC and ATO fuses and circuit breakers. Fuse/breaker contacts are recessed for safety. 
  • Recessed area in the center of the block accepts a label. Ratings: 25A maximum per circuit at 12V to 24V DC. 
  • 100A maximum total for the block at 12V DC. 
  • For 24V applications, use only ATC or ATO fuses. Black thermoplastic block.
  • Blade terminals are 0.25" wide (6.4mm).
  • Stud terminal is 10-32 with hexnut, flat washer and lockwasher.
  • Four 0.218" diameter (5.5mm) mounting holes take #10 screws. Size 3.375"W x 0.812"H x 2.47"L (85.7 x 20.6 x 62.7mm). Mounting holes 1.06" (27.0mm) on centers, widthwise.


46377-6 shown. Appearance of other part numbers will vary.

Access specifications, certifications, check availability and order parts below

Catalog #Fuse TypeInput TerminalsNumber of CavitiesMounting MethodCompare
46377-6ATOAutomotive Spade Terminal6Bolt Down
46377-8ATOAutomotive Spade Terminal8Bolt Down
46377-10ATOAutomotive Spade Terminal10Bolt Down
46377-12ATOAutomotive Spade Terminal12Bolt Down
46377-18ATOAutomotive Spade Terminal18Bolt Down
46379-6ATOAutomotive Spade Terminal6Bolt Down
46379-8ATOAutomotive Spade Terminal8Bolt Down
46375-01Automotive Spade TerminalBolt Down
46377-6-BPATOAutomotive Spade Terminal6Bolt Down
46377-6-BXATOAutomotive Spade Terminal6Bolt Down
46377-8-BXATOAutomotive Spade Terminal8Bolt Down
46377-10-BXATOAutomotive Spade Terminal10Bolt Down
46377-12-BXATOAutomotive Spade Terminal12Bolt Down
46377-18-BXATOAutomotive Spade Terminal18Bolt Down
46379-6-BXATOAutomotive Spade Terminal6Bolt Down
46379-8-BXATOAutomotive Spade Terminal8Bolt Down
46377-10-BP
Obsolete: 2015 -02-03
ATOAutomotive Spade Terminal10Bolt Down
46379-10
Obsolete: 1999 -01-01
ATOAutomotive Spade Terminal10Bolt Down
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
46379-6 FUSE BLOCK_6P GROUND BUS RoHS No PbFree No
46379-8 FUSE BLOCK_8P GROUND BUS RoHS No PbFree No
46379-6-BX FUSE BLOCK_6P GROUND BUS #8 RoHS No PbFree No
46379-8-BX FUSE BLOCK_8P GROUND BUS #18 RoHS No PbFree No
46379-10 46379-10 RoHS No PbFree No
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