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 5025 ST Blade Fuse Block wCover 6 Circuit wNegative Bus 5025
    Blue Sea 5025 ST Blade Fuse Block wCover 6 Circuit wNegative Bus 5025
    Save $3.00 USD
    Blue Sea Systems

    Blue Sea 5025 ST Blade Fuse Block w/Cover - 6 Circuit w/Negative Bus [5025]

    $56.99 USD
    $56.99 USD $59.99 USD

    5025 ST Blade Fuse Block with Cover - 6 Circuit with Negative Bus Features: Clear insulating cover with label recesses accept Small Format Labels Cover Satisfies ABYC/USCG...
  • Blue Sea 7057 20A Push Button Thermal with Quick Connect Terminals 7057
    Blue Sea 7057 20A Push Button Thermal with Quick Connect Terminals 7057
    Blue Sea Systems

    Blue Sea 7057 20A Push Button Thermal with Quick Connect Terminals [7057]

    $7.99 USD
    $7.99 USD $0.00 USD

    7057Push Button Thermal with Quick Connect Terminals20A Ideal for 24-hour circuit protection Incorporated into Blue Sea Systems' Waterproof Circuit Breaker panels and main Battery Main Distribution...
  • Blue Sea 7054 10A Push Button Thermal with Quick Connect Terminals 7054
    Blue Sea 7054 10A Push Button Thermal with Quick Connect Terminals 7054
    Blue Sea Systems

    Blue Sea 7054 10A Push Button Thermal with Quick Connect Terminals [7054]

    $7.99 USD
    $7.99 USD $0.00 USD

    7054Push Button Thermal with Quick Connect Terminals10A Ideal for 24-hour circuit protection Incorporated into Blue Sea Systems' Waterproof Circuit Breaker panels and main Battery Main Distribution...
  • Blue Sea 7548 CSeries Flat Rocker Circuit Breaker Single Pole 80A 7548
    Blue Sea 7548 CSeries Flat Rocker Circuit Breaker Single Pole 80A 7548
    Save $1.00 USD
    Blue Sea Systems

    Blue Sea 7548 C-Series Flat Rocker Circuit Breaker - Single Pole - 80A [7548]

    $66.99 USD
    $66.99 USD $67.99 USD

    C-Series Flat Rocker Circuit Breaker - Single Pole - 80AFeatures: Rocker actuator is flush in the "ON" position, eliminating the risk of accidential switching Color actuator...
  • Blue Sea 7181 30 Amp Circuit Breaker Surface Mount 285 Series 7181
    Blue Sea 7181 30 Amp Circuit Breaker Surface Mount 285 Series 7181
    Save $2.00 USD
    Blue Sea Systems

    Blue Sea 7181 30 Amp Circuit Breaker Surface Mount 285 Series [7181]

    $77.99 USD
    $77.99 USD $79.99 USD

    285-Series Thermal Circuit Breaker Surface Mount, 30A Drop-in replacement for 185-series Circuit Breakers Visible reset lever shows open condition "Trip Free" - cannot be held closed...
  • Blue Sea 7182 40 Amp Circuit Breaker Surface Mount 285 Series 7182
    Blue Sea 7182 40 Amp Circuit Breaker Surface Mount 285 Series 7182
    Save $2.00 USD
    Blue Sea Systems

    Blue Sea 7182 40 Amp Circuit Breaker Surface Mount 285 Series [7182]

    $77.99 USD
    $77.99 USD $79.99 USD

    285-Series Thermal Circuit Breaker Surface Mount, 40A Drop-in replacement for 185-series Circuit Breakers Visible reset lever shows open condition "Trip Free" - cannot be held closed...
  • Blue Sea 7404 Single Pole Small Case 2 Flat Rocker Circuit Breaker 20 Amp 7404Blue Sea 7404 Single Pole Small Case 2 Flat Rocker Circuit Breaker 20 Amp 7404
    Blue Sea 7404 Single Pole Small Case 2 Flat Rocker Circuit Breaker 20 Amp 7404Blue Sea 7404 Single Pole Small Case 2 Flat Rocker Circuit Breaker 20 Amp 7404
    Blue Sea Systems

    Blue Sea 7404 Single Pole Small Case 2" Flat Rocker Circuit Breaker - 20 Amp [7404]

    $39.99 USD
    $39.99 USD $0.00 USD

    Single Pole Small Case 2" Flat Rocker Circuit BreakerPN:   7404Amperage:   20 AmpFeatures: Color actuator indicates "OFF" position "Trip Free" design cannot be held "ON" during fault current condition...
  • Blue Sea 7052 5A Push Button Thermal with Quick Connect Terminals 7052
    Blue Sea 7052 5A Push Button Thermal with Quick Connect Terminals 7052
    Blue Sea Systems

    Blue Sea 7052 5A Push Button Thermal with Quick Connect Terminals [7052]

    $8.99 USD
    $8.99 USD $0.00 USD

    7052Push Button Thermal with Quick Connect Terminals5A Ideal for 24-hour circuit protection Incorporated into Blue Sea Systems' Waterproof Circuit Breaker panels and main Battery Main Distribution...
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