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
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Vendor:Blue Sea Systems
Blue Sea 7206 AC/DC Single Pole Magnetic World Circuit Breaker - 10AMP [7206]
- £17.62
£23.75- £17.62
- Unit price
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7206 AC/DC Single Pole Magnetic World Circuit Breaker - 10AMPThe 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.Features: The industry standard circuit breaker for Blue...- £17.62
£23.75- £17.62
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Vendor:Blue Sea Systems
Blue Sea 2143 Medium Duty Push Button Reset-Only - 60A [2143]
- £47.51
£65.14- £47.51
- Unit price
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2143Amperage: 60AFeatures: 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...- £47.51
£65.14- £47.51
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Vendor:Blue Sea Systems
Blue Sea 7208 AC/DC Single Pole Magnetic World Circuit Breaker - 15AMP [7208]
- £17.62
£23.75- £17.62
- Unit price
- / per
7208 AC /DC Single Pole Magnetic World Circuit Breaker - 15AMPThe 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.Features: The industry standard circuit breaker for...- £17.62
£23.75- £17.62
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Vendor:Blue Sea Systems
Blue Sea 7476 C - Series Flat Circuit Breaker, Single and Double Pole - 200 Amp [7476]
- £134.12
£183.94- £134.12
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C - Series Flat Circuit Breaker, Single and Double PolePN: 7476Amperage: 200 AmpFeatures: Color actuator indicates "OFF" position "Trip Free" design cannot be held "ON" during fault current condition Flat actuator protects against accidental switching Specifications Circuit Breaker Type Magnetic Hydraulic - Trip Free Maximum...- £134.12
£183.94- £134.12
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Vendor:Blue Sea Systems
Blue Sea 7089 150 Amp Circuit Breaker Panel Mount 285 Series [7089]
- £45.21
£61.31- £45.21
- Unit price
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285-Series Circuit Breaker Panel Mount - 150A 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...- £45.21
£61.31- £45.21
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Vendor:Blue Sea Systems
Blue Sea 7250I C-Series Ignition Protected Toggle Single Pole - 100A [7250I]
- £32.95
£44.45- £32.95
- Unit price
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C-Series Toggle Single PolePN: 7250IPoles: 1Color: RedAmperage: 100AFeatures: Ignition Protected 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)...- £32.95
£44.45- £32.95
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Vendor:Blue Sea Systems
Blue Sea 7048 187 - Series Thermal Circuit Breaker - 150Amp [7048]
- £70.50
£96.56- £70.50
- Unit price
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187 - Series Thermal Circuit Breakers - Panel Mount150 Amp Circuit BreakerPN: 7048Features: 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...- £70.50
£96.56- £70.50
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Vendor:Blue Sea Systems
Blue Sea 7239 A-Series Double Pole Toggle - 40A - Black [7239]
- £41.38
£56.71- £41.38
- Unit price
- / per
A-Series Toggle Double PolePN: 7239Poles: 2Color: BlackAmperage: 40AFeatures: 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...- £41.38
£56.71- £41.38
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Vendor:Egis Mobile Electric
Egis 20A Panel Mount Mini Circuit Breaker [4701-20]
- £22.99
£34.03- £22.99
- Unit price
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20A Panel Mount Mini Circuit BreakerThis 20A 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...- £22.99
£34.03- £22.99
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Vendor:Blue Sea Systems
Blue Sea 7457 UL-489 Circuit Breaker - 20A Flat Rocker [7457]
- £35.25
£47.51- £35.25
- Unit price
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7457 UL-489 Circuit Breaker - 20A 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: 20A AC Actuator Style: Flat Rocker Poles: 1 Maximum Voltage: 240V AC Circuit Breaker Type:...- £35.25
£47.51- £35.25
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Vendor:Blue Sea Systems
Blue Sea 7205 AC / DC Single Pole Magnetic World Circuit Breaker - 10 Amp [7205]
- £17.62
£23.75- £17.62
- 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: 7205Color: RedAmperage: 10 AmpDelay: StandardFeatures: The industry standard circuit breaker for Blue...- £17.62
£23.75- £17.62
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 7541 C-Series Flat Rocker Circuit Breaker - Single Pole - 10A [7541]
- £38.31
£52.11- £38.31
- Unit price
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C-Series Flat Rocker Circuit Breaker - Single Pole - 10AFeatures: 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...- £38.31
£52.11- £38.31
- Unit price
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Vendor:Bluewater
Bluewater 130 Amp Panel Mount Circuit Breaker [77000-9600-130]
- £24.59
£0.00- £24.59
- Unit price
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130 Amp Panel Mount Circuit BreakerOur high-amp circuit breakers deliver reliable protection for heavy-duty marine, RV, truck, and bus electrical systems. Available in multiple reset styles, these breakers safeguard auxiliary and accessory circuits with confidence.Features: Configuration: Switchable/Manual reset Voltage Compatibility: Works with 12V, 24V,...- £24.59
£0.00- £24.59
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Vendor:Bluewater
Bluewater 100 Amp Surface Mount Circuit Breaker [77000-9900-100]
- £24.59
£0.00- £24.59
- Unit price
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100 Amp Surface Mount Circuit BreakerOur high-amp circuit breakers deliver reliable protection for heavy-duty marine, RV, truck, and bus electrical systems. Available in multiple reset styles, these breakers safeguard auxiliary and accessory circuits with confidence.Features: Configuration: Switchable/Manual reset Voltage Compatibility: Works with 12V, 24V,...- £24.59
£0.00- £24.59
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Vendor:BEP Marine
BEP 24-Hour Essential Circuits Module - 2 x 10A [706-2W]
- £45.98
£66.93- £45.98
- Unit price
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24-Hour Essential Circuits Module2 x 10AThe 706-2W 24 hour essential circuit module is suitable for essential circuits such as bilge pump auto float switch supplies and stereo memory circuits. The push to reset function ensures essential 24hr circuits cannot be switched off inadvertently. This...- £45.98
£66.93- £45.98
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Vendor:Blue Sea Systems
Blue Sea 7248 C-Series Toggle Single Pole - 80A [7248]
- £32.95
£44.45- £32.95
- Unit price
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C-Series Toggle Single PolePN: 7248Poles: 1Color: WhiteAmperage: 80AFeatures: 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...- £32.95
£44.45- £32.95
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 7542 C-Series Flat Rocker Circuit Breaker - Single Pole - 15A [7542]
- £38.31
£52.11- £38.31
- Unit price
- / per
C-Series Flat Rocker Circuit Breaker - Single Pole - 15AFeatures: 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...- £38.31
£52.11- £38.31
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea 7454 UL-489 Circuit Breaker - 5A Flat Rocker [7454]
- £35.25
£47.51- £35.25
- Unit price
- / per
7454 UL-489 Circuit Breaker - 5A 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: 5A AC Actuator Style: Flat Rocker Poles: 1 Maximum Voltage: 240V DC Circuit Breaker Type:...- £35.25
£47.51- £35.25
- Unit price
- / per
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Vendor:Bluewater
Bluewater 35 Amp Panel Mount Circuit Breaker [77000-9600-035]
- £24.59
£0.00- £24.59
- Unit price
- / per
35 Amp Panel Mount Circuit BreakerOur high-amp circuit breakers deliver reliable protection for heavy-duty marine, RV, truck, and bus electrical systems. Available in multiple reset styles, these breakers safeguard auxiliary and accessory circuits with confidence.Features: Configuration: Switchable/Manual reset Voltage Compatibility: Works with 12V, 24V,...- £24.59
£0.00- £24.59
- Unit price
- / per
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Vendor:Bluewater
Bluewater 40 Amp Surface Mount Circuit Breaker [77000-9900-040]
- £24.59
£0.00- £24.59
- Unit price
- / per
40 Amp Surface Mount Circuit BreakerOur high-amp circuit breakers deliver reliable protection for heavy-duty marine, RV, truck, and bus electrical systems. Available in multiple reset styles, these breakers safeguard auxiliary and accessory circuits with confidence.Features: Configuration: Switchable/Manual reset Voltage Compatibility: Works with 12V, 24V,...- £24.59
£0.00- £24.59
- Unit price
- / per


![Egis 20A Panel Mount Mini Circuit Breaker [4701-20]](http://www.dbmarinesupplies.com/cdn/shop/files/103467XL_533x.jpg?v=1716346930)