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Boating & Marine > Electrical > Switches & Panels > Fuse Blocks, Circuit Breakers & Busbars >

Fuse blocks, Circuit Breakers & Busbars - wire your boat for power with electrical wiring, 12 volt batteries, fuses, fuse blocks, and switch panels from Blue Sea Systems and SeaSense.

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Blue Sea Water-Resistant 3AG In-Line Fuse Holder

Blue Sea Water-Resistant 3AG In-Line Fuse Holder

Key Features
  • For use with AGC or MDL glass fuses

  • Withstands marine environment

  • Maximum voltage: 32V DC

  • Maximum Amperage: 20 Amps

$3.99
Sierra 5-Amp Circuit Breaker, Sierra Part #CB41200

Sierra 5-Amp Circuit Breaker, Sierra Part #CB41200

Key Features
  • Sierra Part #CB41200

  • Circuit breaker

  • 5 amps

$5.99
Sierra 20-Amp Circuit Breaker, Sierra Part #CB41230

Sierra 20-Amp Circuit Breaker, Sierra Part #CB41230

Key Features
  • Sierra Part #CB41230

  • Circuit breaker

  • 20 amps

$5.99
Sierra 14-Gang Fuse Block, Sierra Part #FS40440

Sierra 14-Gang Fuse Block, Sierra Part #FS40440

Key Features
  • Sierra Part #FS40440

  • 14-gang fuse block

$19.99
Sierra AGC Fuse, Sierra Part #FS79190

Sierra AGC Fuse, Sierra Part #FS79190

Key Features
  • Sierra Part #FS79190

  • AGC fuse

$2.99
Sierra Fuse Kit Assortment, Sierra Part #FS79690

Sierra Fuse Kit Assortment, Sierra Part #FS79690

Key Features
  • Sierra Part #FS79690

  • Fuse kit assortment

$3.99
Sierra Six Gang ATO/ATC Fuse Block, Sierra Part #FS40420

Sierra Six Gang ATO/ATC Fuse Block, Sierra Part #FS40420

Key Features
  • Sierra Part #FS40420

  • Tinned copper contacts

  • Fuse not included

  • Use with ATO or ATC fuses

$19.99
Six Gang SFE/AGC Fuse Block

Six Gang SFE/AGC Fuse Block

Key Features
  • Six Gang SFE/AGC Fuse Block

  • Brass fuse clips and screws

  • Use with SFE or AGC fuses up to 20 amps

$19.99
Sierra Ground Bus Bar, Sierra Part #FS40730

Sierra Ground Bus Bar, Sierra Part #FS40730

Key Features
  • Sierra Part #FS40730

  • Ground bus bar

$7.49
Sierra Bus Bar, Sierra Part #FS46100

Sierra Bus Bar, Sierra Part #FS46100

Key Features
  • Sierra Part #FS46100

  • Bus bar

$12.99
Sierra Bus Bar, Sierra Part #FS46150

Sierra Bus Bar, Sierra Part #FS46150

Key Features
  • Sierra Part #FS46150

  • Bus bar

$12.99
TRAC Sealed Thermal Circuit Breaker

TRAC Sealed Thermal Circuit Breaker

Key Features
  • Manal reset with visible lever

  • 60 amps

  • Water-resistant seal

  • Weatherproof design

$24.99
Sierra Emergency Fuse Kit, Sierra Part #FS79600

Sierra Emergency Fuse Kit, Sierra Part #FS79600

Key Features
  • Sierra Part #FS79600

  • Emergency fuse kit

$5.99
Sierra 30-Amp Fuse Holder, Sierra Part #FS69130

Sierra 30-Amp Fuse Holder, Sierra Part #FS69130

Key Features
  • Sierra Part #FS69130

  • 30-amp fuse holder

$5.99
Sierra Bus Bar, Sierra Part #FS46450

Sierra Bus Bar, Sierra Part #FS46450

Key Features
  • Sierra Part #FS46450

  • Bus bar

$27.99
Sierra 4-Gang Fuse Block, Sierra Part #FS40630-1

Sierra 4-Gang Fuse Block, Sierra Part #FS40630-1

Key Features
  • Sierra Part #FS40630-1

  • 4-gang fuse block

$10.99
Sierra 8-Gang Junction Block, Sierra Part #FS45640

Sierra 8-Gang Junction Block, Sierra Part #FS45640

Key Features
  • Sierra Part #FS45640

  • 8-gang junction block

$10.99
Sierra Common Bus Bar, Sierra Part #FS46250

Sierra Common Bus Bar, Sierra Part #FS46250

Key Features
  • Sierra Part #FS46250

  • Common bus bar

$16.99
Sierra Fuse Holder, Sierra Part #FS69100

Sierra Fuse Holder, Sierra Part #FS69100

Key Features
  • Sierra Part #FS69100

  • Fuse holder

$4.99
Sierra Fuse, Sierra Part #FS79060

Sierra Fuse, Sierra Part #FS79060

Key Features
  • Sierra Part #FS79060

  • Fuse

$2.99
Sierra Circuit Breaker, Sierra Part #CB41210B

Sierra Circuit Breaker, Sierra Part #CB41210B

Key Features
  • Sierra Part #CB41210B

  • Circuit breaker

$5.99
Blue Sea ST Glass Fuse Block

Blue Sea ST Glass Fuse Block

Key Features
  • For use with AGC and MDL fuses

  • Insulating cover meets ABYC/USCG requirements

  • Cover has spare fuse storage

  • Encapsulated phosphor bronze fuse clips

  • Tin-plated copper buses

2 models to choose from
$29.99 - $34.99
Sierra Fuse Block, Sierra Part #FS40610-1

Sierra Fuse Block, Sierra Part #FS40610-1

Key Features
  • Sierra Part #FS40610-1

  • Fuse block

$19.99
Sierra Fuse Block, Sierra Part #FS40540-1

Sierra Fuse Block, Sierra Part #FS40540-1

Key Features
  • Sierra Part #FS40540-1

  • Fuse block

$7.49
Sierra Fuse Holder, For Sierra Part #FS45350

Sierra Fuse Holder, For Sierra Part #FS45350

Key Features
  • Sierra Part #FS45350

  • Fuse holder

$4.14
Sierra Fuse Holder, Sierra Part #FS45360

Sierra Fuse Holder, Sierra Part #FS45360

Key Features
  • Sierra Part #FS45360

  • Fuse holder

$4.99
Sierra Fuse, Sierra Part #FS79890

Sierra Fuse, Sierra Part #FS79890

Key Features
  • Sierra Part #FS79890

  • Fuse

$6.99
Sierra Fuse, Sierra Part #FS79900

Sierra Fuse, Sierra Part #FS79900

Key Features
  • Sierra Part #FS79900

  • Fuse

$6.99
Sierra Fuse, Sierra Part #FS79910

Sierra Fuse, Sierra Part #FS79910

Key Features
  • Sierra Part #FS79910

  • Fuse

$6.99
Sierra Fuse, Sierra Part #FS79920

Sierra Fuse, Sierra Part #FS79920

Key Features
  • Sierra Part #FS79920

  • Fuse

$6.99
Sierra Fuse, Sierra Part #FS79930

Sierra Fuse, Sierra Part #FS79930

Key Features
  • Sierra Part #FS79930

  • Fuse

$6.99
Sierra Fuse, Sierra Part #FS79940

Sierra Fuse, Sierra Part #FS79940

Key Features
  • Sierra Part #FS79940

  • Fuse

$6.99

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