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Marine Electrical systems are the backbone of a dependable and efficient vessel, delivering the power needed to keep your essential equipment operating at its best. Designed to perform in demanding marine environments, today's electrical components combine rugged durability, reliable performance, and advanced technology to withstand moisture, vibration, and corrosion. From batteries, battery chargers, inverters, switches, circuit protection, wiring, and power distribution panels to complete electrical accessories, the right equipment helps ensure safe, consistent power throughout your boat. Whether you're upgrading an existing electrical system or building a new one, premium marine electrical products provide the reliability and confidence trusted by boaters and marine professionals alike. Explore our selection of marine electrical solutions and let our experts help you find the right components to power every adventure on the water.

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  • Blue Sea 1739 Mini OLED Tank Meter - Yellow [1739]
    Blue Sea Systems

    Blue Sea 1739 Mini OLED Tank Meter - Yellow [1739]

    £32.86
    £47.39
    £32.86
    1739 Mini OLED Tank Meter - YellowMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen.Features: Compact size enables mounting in any convenient location Reverse polarity protected Mounts in a common 1-1/8 in hole Color: Yellow Meter: Tank Meter Nominal Voltage:...
    £32.86
    £47.39
    £32.86
  • Sea-Dog Thermal AC/DC Circuit Breaker - 20 Amp [420820-1]
    Sea-Dog

    Sea-Dog Thermal AC/DC Circuit Breaker - 20 Amp [420820-1]

    £4.58
    £5.39
    £4.58
    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...
    £4.58
    £5.39
    £4.58
  • Blue Sea 7446 UL-489 Circuit Breaker - 100A Flat Rocker [7446]
    Blue Sea Systems

    Blue Sea 7446 UL-489 Circuit Breaker - 100A Flat Rocker [7446]

    £35.16
    £47.39
    £35.16
    7446 UL-489 Circuit Breaker - 100A 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: 100A DC Actuator Style: Flat Rocker Poles: 1 Maximum Voltage: 80V DC Circuit Breaker Type:...
    £35.16
    £47.39
    £35.16
  • Blue Sea 4161 SS Push Button Switch - Off-(On) - Blue - 10A [4161]
    Blue Sea Systems

    Blue Sea 4161 SS Push Button Switch - Off-(On) - Blue - 10A [4161]

    £19.87
    £28.28
    £19.87
    4161 SS Push Button Switch - Off-(On) - Blue - 10A 10A continuous Single Pole Double Throw or Single Pole Single Throw Can be wired for normally open or normally closed Installs with .110inch quick connects (included in retail package) Specifications Action: OFF-(ON) Amperage:...
    £19.87
    £28.28
    £19.87
  • Blue Sea 7417 A-Series Flat Rocker Circuit Breaker - Double Pole - 50A [7417]
    Blue Sea Systems

    Blue Sea 7417 A-Series Flat Rocker Circuit Breaker - Double Pole - 50A [7417]

    £43.57
    £58.85
    £43.57
    A-Series Flat Rocker Circuit Breaker - Double Pole - 50AFeatures: 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: 50A AC / 50A DC Actuator Style: Flat...
    £43.57
    £58.85
    £43.57
  • Blue Sea 2020 PowerBar Dual BusBar - Two 3/8"-16 Studs [2020]
    Blue Sea Systems

    Blue Sea 2020 PowerBar Dual BusBar - Two 3/8"-16 Studs [2020]

    £12.22
    £17.57
    £12.22
    PowerBar Dual BusBar - Two 3/8"-16 StudsProvides compact high-ampere busing with 3/8" terminal studsSpecifications: Maximum Amperage: 200A Maximum Voltage: 48V DC Number of Terminal Studs: 2 Terminal Type: 3/8"-16 Stud Bus Material: Tin-Plated Copper CDA 110/UNS11000 Weight: 0.32lb (0.15 kg) WARNING: This product can...
    £12.22
    £17.57
    £12.22
  • Blue Sea 7929 Contura II Switch SPST Black - OFF-ON [7929]Blue Sea 7929 Contura II Switch SPST Black - OFF-ON [7929]
    Blue Sea Systems

    Blue Sea 7929 Contura II Switch SPST Black - OFF-ON [7929]

    £12.22
    £17.57
    £12.22
    Contura II Switch SPST Black - OFF-ONVibration, shock, thermoshock, moisture and salt spray resistantMounts in Blue Sea Systems Contura Water Resistant Panels and Contura Switch Mounting PanelsSpecifications: Action: OFF-ON Pole/Throw: SPST - Single Pole/ Single Throw Actuator Color: Black - Contura II Common Applications:...
    £12.22
    £17.57
    £12.22
  • Blue Sea 5290 easyID Fuse Kit [5290]
    Blue Sea Systems

    Blue Sea 5290 easyID Fuse Kit [5290]

    £40.51
    £55.03
    £40.51
    easyID Fuse KitATC® Fuses Illuminate When BlowneasyID™ illuminated ATC® blade fuses use Light Emitting Diode (LED) technology to show that a fuse has blown, making them easy to spot in fuse panels tucked up under dark dashboards.Features: Replaces non illuminating ATO® or ATC® fuses...
    £40.51
    £55.03
    £40.51
  • Blue Sea 8288 Water Resistant Contura III Switch - DPST OFF-(ON) - Black [8288]
    Blue Sea Systems

    Blue Sea 8288 Water Resistant Contura III Switch - DPST OFF-(ON) - Black [8288]

    £11.46
    £16.05
    £11.46
    Water Resistant Contura Switch - DPST OFF-(ON) - BlackFeatures: Vibration, shock, thermoshock, moisture, and salt spray resistant Specially manufactured for mounting in Blue Sea Systems' water-resistant panels Ignition Protected - Safe for installation aboard gasoline-powered boats Meets UL1500 and ISO8846 ignition protection requirements WARNING:...
    £11.46
    £16.05
    £11.46
  • Blue Sea 8286 Water Resistant Contura III Switch - ON-OFF-ON - Black [8286]
    Blue Sea Systems

    Blue Sea 8286 Water Resistant Contura III Switch - ON-OFF-ON - Black [8286]

    £15.28
    £22.16
    £15.28
    Water Resistant Contura Switch - ON-OFF-ON - Black Features: Vibration, shock, thermoshock, moisture, and salt spray resistant Specially manufactured for mounting in Blue Sea Systems' water-resistant panels Ignition Protected - Safe for installation aboard gasoline-powered boats Meets UL1500 and ISO8846 ignition protection requirements WARNING:...
    £15.28
    £22.16
    £15.28
  • Blue Sea 8238 AC Digital Ammeter [8238]Blue Sea 8238 AC Digital Ammeter [8238]
    Blue Sea Systems

    Blue Sea 8238 AC Digital Ammeter [8238]

    £190.34
    £289.72
    £190.34
    AC Digital Ammeter Displays amperage from 0 to 150 Amps 3 levels of display brightness Splashproof front Includes current transformer Manual sleep mode blanks display for power conservation WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the...
    £190.34
    £289.72
    £190.34
  • Blue Sea 9012 L Solenoid Switch - 12-24VDC - 250A [9012]
    Blue Sea Systems

    Blue Sea 9012 L Solenoid Switch - 12-24VDC - 250A [9012]

    £167.41
    £255.32
    £167.41
    L Solenoid Switch - 12-24VDC - 250AFeatures: Hermetically sealed contacts / vaporproof Ignition protected - safe for installation aboard gasoline powered boats Activated by an ON-OFF switch mounted anywhere Integrated coil control minimizes heating and amperage draw 450 Amp Class Designed for 12 or...
    £167.41
    £255.32
    £167.41
  • Blue Sea 4155 WeatherDeck Toggle Switch [4155]Blue Sea 4155 WeatherDeck Toggle Switch [4155]
    Blue Sea Systems

    Blue Sea 4155 WeatherDeck Toggle Switch [4155]

    £20.63
    £29.81
    £20.63
    4155WeatherDeck Toggle Switch Pole/Throw DPDT Action ON-OFF-ON Specially manufactured by Carling Technologies for use in Blue Sea Systems' WeatherDeck™ Panels When mounted with a WeatherDeck Toggle Switch Boot Rated IP67-temporay immersion for 30 minutes Nickel-plated brass and phenolic non-corrosive construction WARNING: This product can...
    £20.63
    £29.81
    £20.63
  • Blue Sea 7234 A-Series Double Pole Toggle - 15A - Black [7234]
    Blue Sea Systems

    Blue Sea 7234 A-Series Double Pole Toggle - 15A - Black [7234]

    £41.27
    £56.56
    £41.27
    7234 A-Series Double Pole Toggle - 15A - Black Features: 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...
    £41.27
    £56.56
    £41.27
  • Blue Sea 7222 AC/DC Single Pole Magnetic World Circuit Breaker - 30AMP [7222]
    Blue Sea Systems

    Blue Sea 7222 AC/DC Single Pole Magnetic World Circuit Breaker - 30AMP [7222]

    £17.57
    £23.69
    £17.57
    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...
    £17.57
    £23.69
    £17.57
  • Blue Sea 5120 350AMP Class T Fuse [5120]
    Blue Sea Systems

    Blue Sea 5120 350AMP Class T Fuse [5120]

    £59.62
    £81.02
    £59.62
    5120 350AMP Class T FuseFeatures: Extremely fast short-circuit response 20,000 Ampere Interrupt Capacity (AIC) UL listed to standard 248-15 DC Tested to UL standard 198L WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California...
    £59.62
    £81.02
    £59.62
  • Blue Sea 7403 Single Pole Small Case 2" Flat Rocker Circuit Breaker - 15 Amp [7403]Blue Sea 7403 Single Pole Small Case 2" Flat Rocker Circuit Breaker - 15 Amp [7403]
    Blue Sea Systems

    Blue Sea 7403 Single Pole Small Case 2" Flat Rocker Circuit Breaker - 15 Amp [7403]

    £22.93
    £30.57
    £22.93
    Single Pole Small Case 2" Flat Rocker Circuit BreakerPN:   7403Amperage:   15 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...
    £22.93
    £30.57
    £22.93
  • Blue Sea 5107 MEGA/AMG Fuse - 250AMP [5107]
    Blue Sea Systems

    Blue Sea 5107 MEGA/AMG Fuse - 250AMP [5107]

    £7.64
    £9.93
    £7.64
    5107 MEGA®/AMG® Fuse - 250AMPFeatures: Most economical fuse for 100-300 Ampere circuit protection For use with Blue Sea Systems' MEGA®/AMG® Fuse Block WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer,...
    £7.64
    £9.93
    £7.64
  • Blue Sea 2710 Cover f/DualBus 2702 [2710]
    Blue Sea Systems

    Blue Sea 2710 Cover f/DualBus 2702 [2710]

    £10.69
    £15.28
    £10.69
    2710 Cover for DualBus 2702Specifications: Length: 6-3/8" Height: 7/8" Width: 2-3/8" Weight: 0.04lb WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information...
    £10.69
    £15.28
    £10.69
  • Blue Sea 2306 MiniBus 100AMP Common BusBar Grounding BusBar 6 x 8-32 Screw Terminal [2306]
    Blue Sea Systems

    Blue Sea 2306 MiniBus 100AMP Common BusBar Grounding BusBar 6 x 8-32 Screw Terminal [2306]

    £6.87
    £9.17
    £6.87
    2306 MiniBus 100AMP Common BusBar Grounding BusBar 6 x 8-32 Screw TerminalFeatures:Great for limited space applications in electronics cabinets and under dashboardsWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth...
    £6.87
    £9.17
    £6.87