Electrical - Circuit Breakers
Marine circuit breakers are essential components designed to protect your boat's electrical systems from overloads, short circuits, and potential equipment damage. Engineered for demanding freshwater and saltwater environments, today's marine circuit breakers feature durable, corrosion-resistant construction and reliable resettable protection to help maintain safe and efficient power distribution onboard. From surface-mount breakers and panel-mount models to high-amperage protection for batteries, trolling motors, windlasses, pumps, and marine electronics, these components provide dependable protection for a wide range of vessel applications. Marine-rated circuit breakers are built to withstand vibration, moisture, and harsh conditions while delivering consistent performance when your electrical system needs it most. Whether you're installing new equipment, upgrading your electrical system, or replacing existing components, the right circuit breaker helps protect valuable onboard electronics and improve overall reliability. Featuring premium products from trusted marine manufacturers, our Electrical – Circuit Breakers collection delivers the quality and performance serious boaters expect. Browse our selection today and let our knowledgeable team help you choose the ideal circuit breaker for your vessel.
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- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
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Vendor:Blue Sea Systems
Blue Sea 7201 AC/DC Single Pole Magnetic World Circuit Breaker - 5 AMP [7201]
- $35.26
$46.54- $35.26
- Unit price
- / per
AC / DC Single Pole Magnetic World Circuit BreakerThe World Circuit Breaker meets all American Boat and Yacht Council (ABYC) Standards, is UL 1077 Recognized, TUV Certified, CE marked for Europe, and CSA Certified for Canada.PN: 7201Color: RedAmperage: 5 AmpDelay: StandardFeatures: The industry standard circuit breaker for Blue...- $35.26
$46.54- $35.26
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea 7212 AC / DC Single Pole Magnetic World Circuit Breaker - 20 Amp [7212]
- $32.43
$43.72- $32.43
- Unit price
- / per
AC / DC Single Pole Magnetic World Circuit BreakerThe World Circuit Breaker meets all American Boat and Yacht Council (ABYC) Standards, is UL 1077 Recognized, TUV Certified, CE marked for Europe, and CSA Certified for Canada.PN: 7212Color: BlackAmperage: 20 AmpDelay: StandardFeatures: The industry standard circuit breaker for Blue...- $32.43
$43.72- $32.43
- Unit price
- / per
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Vendor:BEP Marine
BEP Heavy Duty CB Module - 80A [705-80A]
- $165.05
$243.07- $165.05
- Unit price
- / per
Heavy Duty CB Module, 80A705 Contour Circuit Breaker HD allows switchable protection for heavy duty circuits like Windlasses or Davit winches utilizing Bussmann Heavy Duty thermal circuit breakers. Allows switchable protection for heavy duty circuits like windlasses or davit winches Modular sizing with contour...- $165.05
$243.07- $165.05
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 2138 Medium Duty Push Button Reset-Only - 15A [2138]
- $87.46
$119.90- $87.46
- Unit price
- / per
2138Amperage: 15AFeatures: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit protection configurations Push-to-reset operation "Trip Free" design cannot be held "ON" during fault current condition Ignition protected - Safe for installation aboard gasoline powered...- $87.46
$119.90- $87.46
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 2139 Medium Duty Push Button Reset-Only - 20A [2139]
- $87.46
$119.90- $87.46
- Unit price
- / per
2139Amperage: 20AFeatures: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit protection configurations Push-to-reset operation "Trip Free" design cannot be held "ON" during fault current condition Ignition protected - Safe for installation aboard gasoline powered...- $87.46
$119.90- $87.46
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea 7204 AC / DC Single Pole Magnetic World Circuit Breaker - 10 Amp [7204]
- $32.43
$43.72- $32.43
- Unit price
- / per
AC / DC Single Pole Magnetic World Circuit BreakerThe World Circuit Breaker meets all American Boat and Yacht Council (ABYC) Standards, is UL 1077 Recognized, TUV Certified, CE marked for Europe, and CSA Certified for Canada.PN: 7204Color: BlackAmperage: 10 AmpDelay: StandardFeatures: The industry standard circuit breaker for Blue...- $32.43
$43.72- $32.43
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea 7047 187 - Series Thermal Circuit Breaker - 135Amp [7047]
- $129.78
$177.75- $129.78
- Unit price
- / per
187 - Series Thermal Circuit Breakers - Panel Mount135 Amp Circuit BreakerPN: 7047Features: Combines switching and circuit protection into a single device All components meet SAE J1171 external ignition protection requirements Clear, single lever operation "Trip Free" design cannot be held "ON" during fault current...- $129.78
$177.75- $129.78
- Unit price
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Vendor:Egis Mobile Electric
Egis 30A Panel Mount 87 Series Circuit Breaker [4707-030]
- $77.58
$128.95- $77.58
- Unit price
- / per
30A Panel Mount 87 Series Circuit BreakerThis 30A Egis Mobile 187 Series Circuit Breaker protects electrical circuits from short circuits and thermal overloads while providing robust manual circuit switching for reliable live load switching. A weatherproof case keeps the circuit protection safe from the...- $77.58
$128.95- $77.58
- Unit price
- / per
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Vendor:Egis Mobile Electric
Egis 50A Panel Mount Circuit Breaker - 285 Series [4706-050]
- $38.08
$55.87- $38.08
- Unit price
- / per
50A Panel Mount Circuit Breaker - 285 SeriesThis 50A Egis panel mount circuit breaker protects electrical circuits from short-circuit events and over-current loads, preventing wire insulation overheating and subsequent destruction.Applications: Automatic circuit protection and manual on/off switching combine dual functionality in one reliable and...- $38.08
$55.87- $38.08
- Unit price
- / per
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Vendor:Egis Mobile Electric
Egis 40A Panel Mount Circuit Breaker - 285 Series [4706-040]
- $38.08
$55.87- $38.08
- Unit price
- / per
40A Panel Mount Circuit Breaker - 285 SeriesThis 40A Egis panel mount circuit breaker protects electrical circuits from short-circuit events and over-current loads, preventing wire insulation overheating and subsequent destruction.Applications: Automatic circuit protection and manual on/off switching combine dual functionality in one reliable and...- $38.08
$55.87- $38.08
- Unit price
- / per
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Vendor:Egis Mobile Electric
Egis 100A Panel Mount Circuit Breaker - 285 Series [4706-100]
- $38.08
$55.87- $38.08
- Unit price
- / per
100A Panel Mount Circuit Breaker - 285 SeriesThis 100A Egis panel mount circuit breaker protects electrical circuits from short-circuit events and over-current loads, preventing wire insulation overheating and subsequent destruction.Applications: Automatic circuit protection and manual on/off switching combine dual functionality in one reliable and...- $38.08
$55.87- $38.08
- Unit price
- / per
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Vendor:Egis Mobile Electric
Egis 100A Panel Mount 87 Series Circuit Breaker [4707-100]
- $77.58
$128.95- $77.58
- Unit price
- / per
100A Panel Mount 87 Series Circuit BreakerThis 100A Egis Mobile 187 Series Circuit Breaker protects electrical circuits from short circuits and thermal overloads while providing robust manual circuit switching for reliable live load switching. A weatherproof case keeps the circuit protection safe from the...- $77.58
$128.95- $77.58
- Unit price
- / per
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Vendor:Egis Mobile Electric
Egis 150A Panel Mount 87 Series Circuit Breaker [4707-150]
- $77.58
$128.95- $77.58
- Unit price
- / per
150A Panel Mount 87 Series Circuit BreakerThis 150A Egis Mobile 187 Series Circuit Breaker protects electrical circuits from short circuits and thermal overloads while providing robust manual circuit switching for reliable live load switching. A weatherproof case keeps the circuit protection safe from the...- $77.58
$128.95- $77.58
- Unit price
- / per
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Vendor:Egis Mobile Electric
Egis 200A Panel Mount 87 Series Circuit Breaker [4707-200]
- $77.58
$128.95- $77.58
- Unit price
- / per
200A Panel Mount 87 Series Circuit BreakerThis 200A Egis Mobile 187 Series Circuit Breaker protects electrical circuits from short circuits and thermal overloads while providing robust manual circuit switching for reliable live load switching. A weatherproof case keeps the circuit protection safe from the...- $77.58
$128.95- $77.58
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea 8173 Mounting Panel for Toggle Type Magnetic Circuit Breakers [8173]
- $36.67
$52.19- $36.67
- Unit price
- / per
Mounting Panel for Toggle Type Magnetic Circuit Breakers Mounts A-Series Double Pole Toggle Circuit Breakers Slate gray matches standard panel color Mounts A-Series double pole toggle circuit breaker 1/8" aluminum 5052 alloy Accepts Blue Sea Systems label "Power On" and "Reverse Polarity" LEDs WARNING:...- $36.67
$52.19- $36.67
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 7349 A-Series Double Pole Toggle - 32A - Black [7349]
- $76.17
$104.39- $76.17
- Unit price
- / per
A-Series Toggle Double PolePN: 7349Poles: 2Color: BlackAmperage: 32AFeatures: Meets American Boat and Yacht Council (ABYC) standards UL 1077 recognized, TUV certified, CE marked for Europe and CSA certified for Canada The industry standard circuit breaker for Blue Sea Systems electrical panels Combines switching and circuit protection into a...- $76.17
$104.39- $76.17
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea 7295 A-Series Double Pole Toggle - 32A - White [7295]
- $76.17
$104.39- $76.17
- Unit price
- / per
A-Series Toggle Double PolePN: 7295Poles: 2Color: WhiteAmperage: 32AFeatures: Meets American Boat and Yacht Council (ABYC) standards UL 1077 recognized, TUV certified, CE marked for Europe and CSA certified for Canada The industry standard circuit breaker for Blue Sea Systems electrical panels Combines switching and circuit protection into a...- $76.17
$104.39- $76.17
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea 7217 AC / DC Single Pole Magnetic World Circuit Breaker - 25 Amp Red [7217]
- $32.43
$43.72- $32.43
- Unit price
- / per
AC / DC Single Pole Magnetic World Circuit BreakerThe World Circuit Breaker meets all American Boat and Yacht Council (ABYC) Standards, is UL 1077 Recognized, TUV Certified, CE marked for Europe, and CSA Certified for Canada.PN: 7217Color: RedAmperage: 25 AmpDelay: StandardFeatures: The industry standard circuit breaker for Blue...- $32.43
$43.72- $32.43
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea 5051 ST CLB Circuit Breaker Block - 12 Position [5051]
- $125.55
$170.69- $125.55
- Unit price
- / per
ST CLB Circuit Breaker Block - 12 PositionFeatures Quick connect clips allow circuit breakers to snap easily into place Tin-plated copper busses and screw terminals Clear insulating cover with square format label recesses, satisfies ABYC/USCG insulation requirements Easy to open clip on cover Breakouts...- $125.55
$170.69- $125.55
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea 7039 187 - Series Thermal Circuit Breaker - 50Amp [7039]
- $129.78
$177.75- $129.78
- Unit price
- / per
187 - Series Thermal Circuit Breakers - Panel Mount50 Amp Circuit BreakerPN: 7039Features: Combines switching and circuit protection into a single device All components meet SAE J1171 external ignition protection requirements Clear, single lever operation "Trip Free" design cannot be held "ON" during fault current...- $129.78
$177.75- $129.78
- Unit price
- / per


![Blue Sea 5051 ST CLB Circuit Breaker Block - 12 Position [5051]](http://www.dbmarinesupplies.com/cdn/shop/files/51810XL_533x.jpg?v=1682674851)