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
- Price, low to high
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- Date, old to new
- Date, new to old
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Vendor:Bluewater
Bluewater 6 Position Beaker Block w/Cover [3200-2001-006]
- £20.61
£0.00- £20.61
- Unit price
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6 Position Beaker Block with CoverA circuit breaker block is the smarter alternative to a traditional fuse box. Instead of worrying about blown fuses, each circuit is protected by a resettable thermal breaker. If one trips, simply press the breaker and restore power instantly—no...- £20.61
£0.00- £20.61
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Vendor:Egis Mobile Electric
Egis 20A Yellow Short Stop Circuit Breaker [4730-20]
- £5.24
£6.74- £5.24
- Unit price
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20A Yellow Short Stop Circuit BreakerFeatures: Compact Surface Mount Circuit Breaker supports low and medium-amperage circuits with resettable circuit protection. 28 Max Vdc Rating easily supports 12V and 24V systems. Weather Resistant Against Dust & Water Intrusion to ensure reliable circuit protection for the...- £5.24
£6.74- £5.24
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Vendor:Blue Sea Systems
Blue Sea 7365 C-Series Double Pole Circuit Breaker - 30A [7365]
- £76.42
£104.15- £76.42
- Unit price
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C-Series TogglePN: 7365Poles: 2Color: WhiteAmperage: 30AFeatures: 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...- £76.42
£104.15- £76.42
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Vendor:Blue Sea Systems
Blue Sea 7065 ATO/ATC-Style Low Profile Circuit Breaker - 2-Pack - 15 Amp [7065]
- £6.74
£8.98- £6.74
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7065 ATO/ATC-Style Low Profile Circuit Breaker - 2-Pack - 15 Amp Use a manually resettable circuit breaker instead of an ATO or ATC fuse.Features: Drop in replacement for ATO and ATC blade style fuses Manual push button reset complies with ABYC circuit protection requirements...- £6.74
£8.98- £6.74
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Vendor:Blue Sea Systems
Blue Sea 7135 187 - Series Thermal Circuit Breaker - 25Amp [7135]
- £68.93
£94.41- £68.93
- Unit price
- / per
187 - Series Thermal Circuit Breakers - Surface Mount25 Amp Circuit BreakerPN: 7135Features: 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...- £68.93
£94.41- £68.93
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Vendor:Egis Mobile Electric
Egis 20A Push Button Panel Mount Circuit Breaker - Screw Terminals [4710-20]
- £2.99
£6.07- £2.99
- Unit price
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20A Push Button Panel Mount Circuit Breaker - Screw TerminalsFeatures: Push-To-Reset allows for easy identification of a tripped breaker as well as an easy reset of the breaker to the on position. Harsh Environment Design with stainless steel hardware, self-locking screws, and optional sealing...- £2.99
£6.07- £2.99
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Vendor:Egis Mobile Electric
Egis 15A Push Button Panel Mount Circuit Breaker - Spade Terminal [4711-15]
- £4.49
£10.12- £4.49
- Unit price
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15A 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...- £4.49
£10.12- £4.49
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Vendor:Egis Mobile Electric
Egis 50A Panel Mount Mini Circuit Breaker [4701-50]
- £22.47
£33.27- £22.47
- 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...- £22.47
£33.27- £22.47
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Vendor:Egis Mobile Electric
Egis A Series White Toggle Panel Mount Circuit Breaker - Dual Pole 30A [3202-30]
- £20.97
£28.02- £20.97
- Unit price
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A Series White Toggle Panel Mount Circuit Breaker - Dual Pole 30AFeatures: 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...- £20.97
£28.02- £20.97
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Vendor:Egis Mobile Electric
Egis A Series Black Toggle Panel Mount Circuit Breaker - Single Pole 40A [3211-40]
- £11.23
£14.61- £11.23
- Unit price
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A Series Black Toggle Panel Mount Circuit Breaker - Single Pole 40AFeatures: 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...- £11.23
£14.61- £11.23
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Vendor:Egis Mobile Electric
Egis A Series Black Toggle Panel Mount Circuit Breaker - Single Pole 15A [3211-15]
- £11.23
£14.61- £11.23
- Unit price
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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...- £11.23
£14.61- £11.23
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 7441 UL-489 Circuit Breaker - 10A Flat Rocker [7441]
- £34.46
£46.45- £34.46
- Unit price
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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:...- £34.46
£46.45- £34.46
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Vendor:Blue Sea Systems
Blue Sea 7540 C-Series Flat Rocker Circuit Breaker - Single Pole - 5A [7540]
- £37.46
£50.95- £37.46
- Unit price
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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...- £37.46
£50.95- £37.46
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Vendor:Blue Sea Systems
Blue Sea 7184 60 Amp Circuit Breaker Surface Mount 285 Series [7184]
- £44.20
£59.94- £44.20
- Unit price
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285-Series Thermal Circuit Breaker Surface Mount, 60A 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...- £44.20
£59.94- £44.20
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Vendor:Blue Sea Systems
Blue Sea 7036 187 - Series Thermal Circuit Breaker - 30Amp [7036]
- £68.93
£94.41- £68.93
- Unit price
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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...- £68.93
£94.41- £68.93
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 7056 15A Push Button Thermal with Quick Connect Terminals [7056]
- £4.49
£5.99- £4.49
- Unit price
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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...- £4.49
£5.99- £4.49
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 5025 ST Blade Fuse Block w/Cover - 6 Circuit w/Negative Bus [5025]
- £32.21
£44.95- £32.21
- Unit price
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5025 ST Blade Fuse Block with Cover - 6 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...- £32.21
£44.95- £32.21
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 7057 20A Push Button Thermal with Quick Connect Terminals [7057]
- £4.49
£5.99- £4.49
- 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...- £4.49
£5.99- £4.49
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea 7054 10A Push Button Thermal with Quick Connect Terminals [7054]
- £4.49
£5.99- £4.49
- 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...- £4.49
£5.99- £4.49
- Unit price
- / per
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Vendor:Egis Mobile Electric
Egis 10A Push Button Panel Mount Circuit Breaker - Spade Terminal [4711-10]
- £4.49
£10.12- £4.49
- 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...- £4.49
£10.12- £4.49
- 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)