Circuit Breakers

Protect your onboard electrical system with dependable circuit protection.

Shop marine circuit breakers, DC circuit breakers, thermal breakers, resettable breakers, high-amperage breakers, panel-mount breakers and circuit-protection accessories for sailboats, powerboats, yachts and other marine applications.

Protect the circuit. Manage the power. Adventure with confidence.

349 products

  • Blue Sea 5050 ST CLB Circuit Breaker Block 6 Position 5050Blue Sea 5050 ST CLB Circuit Breaker Block 6 Position 5050
    Blue Sea 5050 ST CLB Circuit Breaker Block 6 Position 5050Blue Sea 5050 ST CLB Circuit Breaker Block 6 Position 5050
    Save $2.00 USD
    Blue Sea Systems

    Blue Sea 5050 ST CLB Circuit Breaker Block - 6 Position [5050]

    $71.99 USD
    $71.99 USD $73.99 USD

    ST CLB Circuit Breaker Block - 6 PositionFeatures Quick connect clips allow circuit breakers to snap easily into place Tin-plated copper busses and screw terminals Clear...
  • Blue Sea 7146 187 Series Thermal Circuit Breaker 120Amp 7146
    Blue Sea 7146 187 Series Thermal Circuit Breaker 120Amp 7146
    Save $11.00 USD
    Blue Sea Systems

    Blue Sea 7146 187 - Series Thermal Circuit Breaker - 120Amp [7146]

    $114.99 USD
    $114.99 USD $125.99 USD

    187 - Series Thermal Circuit Breakers - Surface Mount120 Amp Circuit BreakerPN:  7146Features: Combines switching and circuit protection into a single device All components meet SAE J1171...
  • Blue Sea 7136 187 Series Thermal Circuit Breaker 30Amp 7136
    Blue Sea 7136 187 Series Thermal Circuit Breaker 30Amp 7136
    Save $11.00 USD
    Blue Sea Systems

    Blue Sea 7136 187 - Series Thermal Circuit Breaker - 30Amp [7136]

    $114.99 USD
    $114.99 USD $125.99 USD

    187 - Series Thermal Circuit Breakers - Surface Mount30 Amp Circuit BreakerPN:  7136Features: Combines switching and circuit protection into a single device All components meet SAE J1171...
  • Blue Sea 7446 UL489 Circuit Breaker 100A Flat Rocker 7446
    Blue Sea 7446 UL489 Circuit Breaker 100A Flat Rocker 7446
    Save $1.00 USD
    Blue Sea Systems

    Blue Sea 7446 UL-489 Circuit Breaker - 100A Flat Rocker [7446]

    $60.99 USD
    $60.99 USD $61.99 USD

    7446 UL-489 Circuit Breaker - 100A Flat RockerSuitable for use when UL-489 specifications are required (Navy, Army, or Coast Guard vessels, and other vessels covered under...
  • Egis 20A Yellow Short Stop Circuit Breaker 473020
    Egis 20A Yellow Short Stop Circuit Breaker 473020
    Egis Mobile Electric

    Egis 20A Yellow Short Stop Circuit Breaker [4730-20]

    $9.00 USD
    $9.00 USD $0.00 USD

    20A Yellow Short Stop Circuit BreakerFeatures: Compact Surface Mount Circuit Breaker supports low and medium-amperage circuits with resettable circuit protection. 28 Max Vdc Rating easily supports...
  • Egis 60A Panel Mount Mini Circuit Breaker 470160Egis 60A Panel Mount Mini Circuit Breaker 470160
    Egis 60A Panel Mount Mini Circuit Breaker 470160Egis 60A Panel Mount Mini Circuit Breaker 470160
    Save $0.41 USD
    Egis Mobile Electric

    Egis 60A Panel Mount Mini Circuit Breaker [4701-60]

    $43.99 USD
    $43.99 USD $44.40 USD

    60A Panel Mount Mini Circuit BreakerThis 60A Panel Mount Mini Circuit Breaker is a 2-in-1 circuit breaker/disconnect switch that incorporates traditional battery disconnect switching (non-engine) and...
  • Blue Sea 7065 ATOATCStyle Low Profile Circuit Breaker 2Pack 15 Amp 7065
    Blue Sea 7065 ATOATCStyle Low Profile Circuit Breaker 2Pack 15 Amp 7065
    Blue Sea Systems

    Blue Sea 7065 ATO/ATC-Style Low Profile Circuit Breaker - 2-Pack - 15 Amp [7065]

    $11.99 USD
    $11.99 USD $0.00 USD

    7065 ATO/ATC-Style Low Profile Circuit Breaker - 2-Pack - 15 Amp Use a manually resettable circuit breaker instead of an ATO or ATC fuse.Features: Drop in...
  • Blue Sea 7135 187 Series Thermal Circuit Breaker 25Amp 7135
    Blue Sea 7135 187 Series Thermal Circuit Breaker 25Amp 7135
    Save $11.00 USD
    Blue Sea Systems

    Blue Sea 7135 187 - Series Thermal Circuit Breaker - 25Amp [7135]

    $114.99 USD
    $114.99 USD $125.99 USD

    187 - Series Thermal Circuit Breakers - Surface Mount25 Amp Circuit BreakerPN:  7135Features: Combines switching and circuit protection into a single device All components meet SAE J1171...
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