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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Sort by:
- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
- Price, low to high
- Price, high to low
- Date, old to new
- Date, new to old
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Vendor:Egis Mobile Electric
Egis 50A Panel Mount Mini Circuit Breaker [4701-50]
- $29.99
$44.40- $29.99
- Unit price
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50A Panel Mount Mini Circuit BreakerThis 50A Panel Mount Mini Circuit Breaker is a 2-in-1 circuit breaker/disconnect switch that incorporates traditional battery disconnect switching (non-engine) and circuit protection. Trolling motor circuit switching applications are what this switch is best used for.Applications: Protects electrical circuits...- $29.99
$44.40- $29.99
- Unit price
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Vendor:Egis Mobile Electric
Egis A Series Black Toggle Panel Mount Circuit Breaker - Single Pole 15A [3211-15]
- $14.99
$19.50- $14.99
- Unit price
- / per
A Series Black Toggle Panel Mount Circuit Breaker - Single Pole 15AFeatures: Easily Mounts In Standard Panels, accepting A-Series and C-Series magnetic-hydraulic circuit breakers. Includes mounting screws. AC & DC Rated to cover a wide range of system application needs. Toggle-Style Actuator for easy...- $14.99
$19.50- $14.99
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 7441 UL-489 Circuit Breaker - 10A Flat Rocker [7441]
- $45.99
$61.99- $45.99
- Unit price
- / per
7441 UL-489 Circuit Breaker - 10A Flat RockerSuitable for use when UL-489 specifications are required (Navy, Army, or Coast Guard vessels, and other vessels covered under CFR 46).Specifications: Amperage: 10A DC Actuator Style: Flat Rocker Poles: 1 Maximum Voltage: 80V DC Circuit Breaker Type:...- $45.99
$61.99- $45.99
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Vendor:Blue Sea Systems
Blue Sea 7540 C-Series Flat Rocker Circuit Breaker - Single Pole - 5A [7540]
- $49.99
$67.99- $49.99
- Unit price
- / per
C-Series Flat Rocker Circuit Breaker - Single Pole - 5AFeatures: Rocker actuator is flush in the "ON" position, eliminating the risk of accidential switching Color actuator indicates "OFF" position Provides overcurrent protection for inverters, bow thrusters, and windlasses Combines switching and circuit protection into...- $49.99
$67.99- $49.99
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 7036 187 - Series Thermal Circuit Breaker - 30Amp [7036]
- $91.99
$125.99- $91.99
- Unit price
- / per
187 - Series Thermal Circuit Breakers - Panel Mount30 Amp Circuit BreakerPN: 7036Features: 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...- $91.99
$125.99- $91.99
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Vendor:Blue Sea Systems
Blue Sea 7056 15A Push Button Thermal with Quick Connect Terminals [7056]
- $5.99
$7.99- $5.99
- Unit price
- / per
7056Push Button Thermal with Quick Connect Terminals15A Ideal for 24-hour circuit protection Incorporated into Blue Sea Systems' Waterproof Circuit Breaker panels and main Battery Main Distribution Panels Push to reset operation "Trip Free" design cannot be held "ON" during fault current condition Ignition protected...- $5.99
$7.99- $5.99
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Vendor:Blue Sea Systems
Blue Sea 7057 20A Push Button Thermal with Quick Connect Terminals [7057]
- $5.99
$7.99- $5.99
- Unit price
- / per
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 Panels Push to reset operation "Trip Free" design cannot be held "ON" during fault current condition Ignition protected...- $5.99
$7.99- $5.99
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 7054 10A Push Button Thermal with Quick Connect Terminals [7054]
- $5.99
$7.99- $5.99
- Unit price
- / per
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 Panels Push to reset operation "Trip Free" design cannot be held "ON" during fault current condition Ignition protected...- $5.99
$7.99- $5.99
- Unit price
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Vendor:Egis Mobile Electric
Egis 10A Push Button Panel Mount Circuit Breaker - Spade Terminal [4711-10]
- $5.99
$13.50- $5.99
- Unit price
- / per
10A Push Button Panel Mount Circuit Breaker - Spade TerminalFeatures: Push-To-Reset allows for easy identification of a tripped breaker as well as an easy reset of the breaker to the on position. Includes Knurled Nut & Palnut for easy and clean panel mount Ignition-protected...- $5.99
$13.50- $5.99
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Vendor:Egis Mobile Electric
Egis A Series White Toggle Panel Mount Circuit Breaker - Single Pole 20A [3201-20]
- $14.99
$19.50- $14.99
- Unit price
- / per
A Series White Toggle Panel Mount Circuit Breaker - Single Pole 20AFeatures: Easily Mounts In Standard Panels, accepting A-Series and C-Series magnetic-hydraulic circuit breakers. Includes mounting screws. AC & DC Rated to cover a wide range of system application needs. Toggle-Style Actuator for easy...- $14.99
$19.50- $14.99
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea 7548 C-Series Flat Rocker Circuit Breaker - Single Pole - 80A [7548]
- $49.99
$67.99- $49.99
- Unit price
- / per
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 indicates "OFF" position Provides overcurrent protection for inverters, bow thrusters, and windlasses Combines switching and circuit protection into...- $49.99
$67.99- $49.99
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea 7052 5A Push Button Thermal with Quick Connect Terminals [7052]
- $6.99
$8.99- $6.99
- Unit price
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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 Panels Push to reset operation "Trip Free" design cannot be held "ON" during fault current condition Ignition protected...- $6.99
$8.99- $6.99
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 7242 A-Series Double Pole Toggle - 50AMP - White [7242]
- $52.99
$71.99- $52.99
- Unit price
- / per
7242 A-Series Double Pole Toggle - 50AMP - WhitePoles: 2Color: WhiteAmperage: 50AMPFeatures: 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...- $52.99
$71.99- $52.99
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Vendor:Blue Sea Systems
Blue Sea 7404 Single Pole Small Case 2" Flat Rocker Circuit Breaker - 20 Amp [7404]
- $29.99
$39.99- $29.99
- Unit price
- / per
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 Specifications Circuit Breaker Type Magnetic Hydraulic - Trip Free Maximum Voltage 250 Volts AC / 80 Volts...- $29.99
$39.99- $29.99
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 5026 ST Blade Fuse Block w/Cover - 12 Circuit w/Negative Bus [5026]
- $53.99
$73.99- $53.99
- Unit price
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5026 ST Blade Fuse Block with Cover - 12 Circuit with Negative Bus Features: Clear insulating cover with label recesses accept Small Format Labels Cover Satisfies ABYC/USCG requirements for insulation Tin-plated copper buses and fuse clips give 30 Amperes rating per circuit Accepts ATO and...- $53.99
$73.99- $53.99
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Vendor:Blue Sea Systems
Blue Sea 7181 30 Amp Circuit Breaker Surface Mount 285 Series [7181]
- $58.99
$79.99- $58.99
- Unit price
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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 after tripWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State...- $58.99
$79.99- $58.99
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Vendor:Blue Sea Systems
Blue Sea 7182 40 Amp Circuit Breaker Surface Mount 285 Series [7182]
- $58.99
$79.99- $58.99
- Unit price
- / per
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 after tripWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State...- $58.99
$79.99- $58.99
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea 7138 187 - Series Thermal Circuit Breaker - 40Amp [7138]
- $91.99
$125.99- $91.99
- Unit price
- / per
187 - Series Thermal Circuit Breakers - Surface Mount40 Amp Circuit BreakerPN: 7138Features: 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...- $91.99
$125.99- $91.99
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea Push Button Reset Only Screw Terminal Circuit Breaker - 10 Amps [2132]
- $8.99
$10.99- $8.99
- Unit price
- / per
Push Button Reset Only Screw Terminal Circuit Breaker - 10 AmpsFeatures: Branch circuit breakers (can also be used for 24-hour circuit protection) Quick connect terminal style circuit breakers are incorporated into Blue Sea Systems WeatherDeck Waterproof Circuit Breaker Panels, Dual Battery Bank Main Distribution...- $8.99
$10.99- $8.99
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 3134 - SMS Panel Enclosure w/4 Branch (12/24V) - 12/24V DC [3134]
- $311.99
$449.99- $311.99
- Unit price
- / per
3134 - SMS Panel Enclosure with 4 Branch (12/24V) - 12/24V DC The 3134-panel enclosure for DC circuit breakers and other large frame devices.Features: Blank apertures for custom breaker loading Glass-filled polycarbonate base Clear cover allows easy view of circuit breaker status Overlapping cover for...- $311.99
$449.99- $311.99
- Unit price
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![Egis 50A Panel Mount Mini Circuit Breaker [4701-50]](http://www.dbmarinesupplies.com/cdn/shop/files/103470XL_533x.jpg?v=1716346971)
![Blue Sea 7404 Single Pole Small Case 2" Flat Rocker Circuit Breaker - 20 Amp [7404]](http://www.dbmarinesupplies.com/cdn/shop/files/20653XL_533x.jpg?v=1682638265)