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:Blue Sea Systems
Blue Sea 7183 50 Amp Circuit Breaker Surface Mount 285 Series [7183]
- $58.99
$79.99- $58.99
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285-Series Thermal Circuit Breaker Surface Mount, 50A 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 7040 187 - Series Thermal Circuit Breaker - 60Amp [7040]
- $91.99
$125.99- $91.99
- Unit price
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187 - Series Thermal Circuit Breakers - Panel Mount60 Amp Circuit BreakerPN: 7040Features: 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 7445 UL-489 Circuit Breaker - 50A Flat Rocker [7445]
- $45.99
$61.99- $45.99
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7445 UL-489 Circuit Breaker - 50A 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: 50A 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 7197 A-Series White Toggle Circuit Breaker - Single Pole 2.5A [7197]
- $22.99
$30.99- $22.99
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A-Series White Toggle Circuit Breaker - Single Pole 2.5A Meets American Boat and Yacht Council (ABYC) standards The industry standard circuit breaker for Blue Sea Systems" electrical panels Combines swtiching and circuit protection into a single device "Trip Free" design cannot be held "ON"...- $22.99
$30.99- $22.99
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Vendor:Blue Sea Systems
Blue Sea 7546 C-Series Flat Rocker Circuit Breaker - Single Pole - 50A [7546]
- $49.99
$67.99- $49.99
- Unit price
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C-Series Flat Rocker Circuit Breaker - Single Pole - 50AFeatures: 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
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Vendor:Blue Sea Systems
Blue Sea Push Button Reset Only Screw Terminal Circuit Breaker - 5 Amps [2130]
- $8.99
$10.99- $8.99
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Push Button Reset Only Screw Terminal Circuit Breaker - 5 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
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Vendor:BEP Marine
BEP Circuit Breaker Module [707]
- $132.99
$195.96- $132.99
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Circuit Breaker ModuleThe 707 Circuit Breaker Module offers provision for three circuit breakers ideal for medium duty loads, like waste treatment systems and electric toilets. It is designed to separate these loadings from the main DC panel, thus avoiding unnecessary voltage spikes. Contained in...- $132.99
$195.96- $132.99
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Vendor:Blue Sea Systems
Blue Sea 7353 C-Series Toggle Single Pole - 20A [7353]
- $42.99
$57.99- $42.99
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C-Series Toggle Single PolePN: 7353Poles: 1Color: WhiteAmperage: 20AFeatures: Provides overcurrent protection for inverters, bow thrusters, and windlasses Combines switching and circuit protection into a single device "Trip Free" - cannot be held closed after trip WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is...- $42.99
$57.99- $42.99
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Vendor:Blue Sea Systems
Blue Sea 7144 187 - Series Thermal Circuit Breaker - 100Amp [7144]
- $91.99
$125.99- $91.99
- Unit price
- / per
187 - Series Thermal Circuit Breakers - Surface Mount100 Amp Circuit BreakerPN: 7144Features: 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:Sea-Dog
Sea-Dog Thermal AC/DC Circuit Breaker - 20 Amp [420820-1]
- $5.99
$7.05- $5.99
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Thermal AC/DC Circuit Breaker - 20 AmpThermal AC/DC Circuit Breakers are designed to protect an electrical circuit from damage caused by excess current. Vibration and shock resistant these push-to-reset circuit breakers are an economical alternative to magnetic breakers. Unlike sacrificial fuses they have the...- $5.99
$7.05- $5.99
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Vendor:Sea-Dog
Sea-Dog Thermal AC/DC Circuit Breaker - 10 Amp [420810-1]
- $4.99
$6.95- $4.99
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Thermal AC/DC Circuit Breaker - 10 AmpThermal AC/DC Circuit Breakers are designed to protect an electrical circuit from damage caused by excess current. Vibration and shock resistant these push-to-reset circuit breakers are an economical alternative to magnetic breakers. Unlike sacrificial fuses they have the...- $4.99
$6.95- $4.99
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Vendor:Blue Sea Systems
Blue Sea 7399 A-Series Flat Rocker Circuit Breaker - Single Pole - 2.5A [7399]
- $29.99
$39.99- $29.99
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A-Series Flat Rocker Circuit Breaker - Single Pole - 2.5A Rocker actuator is flush in the "ON" position, eliminating the risk of accidential switching Color actuator indicates "OFF" position "Trip Free" design cannot be held "ON" during fault current condition 2 different actuator styles...- $29.99
$39.99- $29.99
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Vendor:Blue Sea Systems
Blue Sea 7240 A-Series Double Pole Toggle - 40AMP - White [7240]
- $52.99
$71.99- $52.99
- Unit price
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7240 A-Series Double Pole Toggle - 40AMP - WhitePoles: 2Color: WhiteAmperage: 40AMPFeatures: 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 7058 25A Push Button Thermal with Quick Connect Terminals [7058]
- $5.99
$7.99- $5.99
- Unit price
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7058Push Button Thermal with Quick Connect Terminals25A 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 7236 A-Series Double Pole Toggle - 20A - Black [7236]
- $52.99
$71.99- $52.99
- Unit price
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A-Series Toggle Double PolePN: 7236Poles: 2Color: BlackAmperage: 20AFeatures: 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...- $52.99
$71.99- $52.99
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Vendor:Blue Sea Systems
Blue Sea 7406 Single Pole Small Case 2" Flat Rocker Circuit Breaker - 30 Amp [7406]
- $29.99
$39.99- $29.99
- Unit price
- / per
Single Pole Small Case 2" Flat Rocker Circuit BreakerPN: 7406Amperage: 30 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
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Vendor:Blue Sea Systems
Blue Sea 7155 Short Stop Circuit Breaker - 30A [7155]
- $10.99
$13.99- $10.99
- Unit price
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7155 Short Stop Circuit Breaker - 30A Corrosion Resistant Material IP 64 Water Resistant Boot Push to Reset Only Interrupt Capacity: 2,500A @ 28VDC Red insulating boot included in retail package Specifications Amperage: 30A DC Maximum Voltage: 28V DC Interrupt Capacity: 2500A @ 28V...- $10.99
$13.99- $10.99
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Vendor:Blue Sea Systems
Blue Sea 7229 AC / DC Single Pole Magnetic World Circuit Breaker - 50 Amp [7229]
- $22.99
$30.99- $22.99
- Unit price
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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: 7229Color: RedAmperage: 50 AmpDelay: StandardFeatures: The industry standard circuit breaker for Blue...- $22.99
$30.99- $22.99
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Vendor:Egis Mobile Electric
Egis 30A Panel Mount Mini Circuit Breaker [4701-30]
- $29.99
$44.40- $29.99
- Unit price
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30A Panel Mount Mini Circuit BreakerThis 30A 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
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Vendor:Blue Sea Systems
Blue Sea 8072 Panel Blank Single A-Series [8072]
- $20.99
$29.99- $20.99
- Unit price
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8072 Panel Blank Single A-Series Features: Mounts A-Series Single Pole Toggle Circuit Breakers Slate grey 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: This product can...- $20.99
$29.99- $20.99
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![Blue Sea 7406 Single Pole Small Case 2" Flat Rocker Circuit Breaker - 30 Amp [7406]](http://www.dbmarinesupplies.com/cdn/shop/files/20655XL_533x.jpg?v=1682638284)
![Blue Sea 7155 Short Stop Circuit Breaker - 30A [7155]](http://www.dbmarinesupplies.com/cdn/shop/files/68720XL_533x.jpg?v=1682711020)
![Egis 30A Panel Mount Mini Circuit Breaker [4701-30]](http://www.dbmarinesupplies.com/cdn/shop/files/103468XL_533x.jpg?v=1716346944)