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 7413 A-Series Flat Rocker Circuit Breaker - Double Pole - 20A [7413]
- £42.73
£57.72- £42.73
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A-Series Flat Rocker Circuit Breaker - Double Pole - 20AFeatures: Color actuator indicates "OFF" position "Trip Free" design cannot be held "ON" during fault current condition International ON/OFF symbols support vertical or horizontal mounting Specifications: Amperage : 20A AC / 20A DC Actuator Style:...- £42.73
£57.72- £42.73
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Vendor:Blue Sea Systems
Blue Sea 7287 C-Series Triple Pole Circuit Breaker - 50A [7287]
- £98.21
£134.20- £98.21
- Unit price
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C-Series TogglePN: 7287Poles: 3Color: WhiteAmperage: 50AFeatures: 5,000 Ampere interrupt capacity to meet ABYC requirements for 120/240 Volt 50 Ampere main protection Double pole used as 120 volt AC main circuit breaker to switch hot to neutral Triple pole used as 240 volt AC main circuit breaker to switch...- £98.21
£134.20- £98.21
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Vendor:Blue Sea Systems
Blue Sea 7443 UL-489 Circuit Breaker - 20A Flat Rocker [7443]
- £34.48
£46.48- £34.48
- Unit price
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7443 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 DC Actuator Style: Flat Rocker Poles: 1 Maximum Voltage: 80V DC Circuit Breaker Type:...- £34.48
£46.48- £34.48
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Vendor:Blue Sea Systems
Blue Sea 7350 C-Series Toggle Single Pole - 5A [7350]
- £32.23
£43.48- £32.23
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C-Series Toggle Single PolePN: 7350Poles: 1Color: WhiteAmperage: 5AFeatures: 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...- £32.23
£43.48- £32.23
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Vendor:Blue Sea Systems
Blue Sea 7355 C-Series Toggle Single Pole - 30A [7355]
- £32.23
£43.48- £32.23
- Unit price
- / per
C-Series Toggle Single PolePN: 7355Poles: 1Color: WhiteAmperage: 30AFeatures: 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...- £32.23
£43.48- £32.23
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Vendor:Blue Sea Systems
Blue Sea 7351 C-Series Toggle Single Pole - 10A [7351]
- £32.23
£43.48- £32.23
- Unit price
- / per
C-Series Toggle Single PolePN: 7351Poles: 1Color: WhiteAmperage: 10AFeatures: 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...- £32.23
£43.48- £32.23
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Vendor:Blue Sea Systems
Blue Sea 8088 3 Position DC C-Series Panel - Blank [8088]
- £69.72
£101.96- £69.72
- Unit price
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3 Position Panel Designed for C-Series Circuit Breakers Heavy 1/8" aluminum 5052 Alloy Two-part polyurethane slate gray finish Accepts standard Blue Sea Systems' backlight labels Accepts standard Blue Sea Systems' "ON" indication LEDs Dimensions - H 3.75" x W 5.25" or H 95.25mm x...- £69.72
£101.96- £69.72
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Vendor:Blue Sea Systems
Blue Sea 7206 AC/DC Single Pole Magnetic World Circuit Breaker - 10AMP [7206]
- £17.24
£23.23- £17.24
- 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...- £17.24
£23.23- £17.24
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Vendor:Blue Sea Systems
Blue Sea 2143 Medium Duty Push Button Reset-Only - 60A [2143]
- £46.48
£63.72- £46.48
- 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...- £46.48
£63.72- £46.48
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Vendor:Blue Sea Systems
Blue Sea 7254 C-Series Double Pole Circuit Breaker - 60A [7254]
- £76.47
£104.21- £76.47
- Unit price
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C-Series TogglePN: 7254Poles: 2Color: WhiteAmperage: 60AFeatures: 5,000 Ampere interrupt capacity to meet ABYC requirements for 120/240 Volt 50 Ampere main protection Double pole used as 120 volt AC main circuit breaker to switch hot to neutral Triple pole used as 240 volt AC main circuit breaker to switch...- £76.47
£104.21- £76.47
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Vendor:Blue Sea Systems
Blue Sea 7222 AC/DC Single Pole Magnetic World Circuit Breaker - 30AMP [7222]
- £17.24
£23.23- £17.24
- Unit price
- / per
7222 AC/DC Single Pole Magnetic World Circuit Breaker - 30AMPThe 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.Color: WhiteAmperage: 30 AmpDelay: StandardFeatures: The industry standard circuit breaker for...- £17.24
£23.23- £17.24
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Vendor:Blue Sea Systems
Blue Sea 7208 AC/DC Single Pole Magnetic World Circuit Breaker - 15AMP [7208]
- £17.24
£23.23- £17.24
- Unit price
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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...- £17.24
£23.23- £17.24
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Vendor:Blue Sea Systems
Blue Sea 7476 C - Series Flat Circuit Breaker, Single and Double Pole - 200 Amp [7476]
- £131.20
£179.93- £131.20
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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...- £131.20
£179.93- £131.20
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Vendor:Blue Sea Systems
Blue Sea 7089 150 Amp Circuit Breaker Panel Mount 285 Series [7089]
- £44.23
£59.97- £44.23
- 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...- £44.23
£59.97- £44.23
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Vendor:Blue Sea Systems
Blue Sea 7250I C-Series Ignition Protected Toggle Single Pole - 100A [7250I]
- £32.23
£43.48- £32.23
- Unit price
- / per
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)...- £32.23
£43.48- £32.23
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 7048 187 - Series Thermal Circuit Breaker - 150Amp [7048]
- £68.97
£94.46- £68.97
- 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...- £68.97
£94.46- £68.97
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Vendor:Blue Sea Systems
Blue Sea 7416 A-Series Flat Rocker Circuit Breaker - Double Pole - 40A [7416]
- £42.73
£57.72- £42.73
- Unit price
- / per
A-Series Flat Rocker Circuit Breaker - Double Pole - 40AFeatures: Color actuator indicates "OFF" position "Trip Free" design cannot be held "ON" during fault current condition International ON/OFF symbols support vertical or horizontal mounting Specifications: Amperage : 40A AC / 40A DC Actuator Style:...- £42.73
£57.72- £42.73
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea 7239 A-Series Double Pole Toggle - 40A - Black [7239]
- £40.48
£55.47- £40.48
- 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...- £40.48
£55.47- £40.48
- Unit price
- / per
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Vendor:Egis Mobile Electric
Egis 20A Panel Mount Mini Circuit Breaker [4701-20]
- £22.48
£33.29- £22.48
- Unit price
- / per
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...- £22.48
£33.29- £22.48
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 7457 UL-489 Circuit Breaker - 20A Flat Rocker [7457]
- £34.48
£46.48- £34.48
- Unit price
- / per
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:...- £34.48
£46.48- £34.48
- Unit price
- / per


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