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ST Blade Fuse Block, 12 Circuits with Negative Bus and Cover

Amperage100 Amps at 32 Volts DC
ISO ApprovedABYC/USCG Requirements
Mounting HardwareFour #8 Screws
ATO/ATC Fuses (Sold Separately)
TypeFuse Blocks
Warranty DetailsLifetime

Product Overview

Organize and protect circuits with a covered fuse block

Fuse Blocks are an effective method of protection to prevent damage to wiring and possible fire in the event of an over-loaded or short circuit. This Blue Sea Systems space-saving fuse block can provide protection for new installations or when the panel has run out of breakers. Often used for electronic installations, this fuse block can be fed by one breaker from the distribution panel and supply power 12 additional circuits. Compact size allows it to be installed in tight spaces close to the loads they protect. Available with a ground bus to match the requirements of your application. Accept ATO/ATC fuses that provide protection from 1 amp to 40amps.


  • Positive distribution bus with #10-32 stud
  • Can be used for 24-hour circuits
  • With cover
  • Cover satisfies ABYC/USCG requirements for insulation, incorporates an easy to open push button latch providing easy access to fuses, storage for two spare fuses, and label recesses that accept Blue Sea Systems" Small Format Labels
  • Tin-plated copper buses and fuse clips give up to 30A per circuit protection
  • Accepts ring or snap fork type terminals
  • Accepts ATO® and ATC® fast acting blade fuses
  • Fuses sold separately
  • Includes 20 write-on labels included and accepts square pre-made labels
  • Lifetime warranty

Specifications 12 Circuit w/Neg bus

  • Circuits: 12
  • Maximum Amperage: 100A per block/ 30A per circuit
  • Maximum Voltage: 32V
  • Mounting: # 8 screw
  • Negative bus fasteners: #10-32
  • Positive bus fasteners: #10-32
  • Dimensions: 6 1/2”L x 3 5/16”W x 1 ½”Deep
  • Weight: .75 Lbs.

ST Blade Fuse Block, 12 Circuits with Negative Bus and Cover

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