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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 8253 DC Zero Center Analog Ammeter - 2-3/4" Face, 100-0-100 Amperes DC [8253]Blue Sea 8253 DC Zero Center Analog Ammeter - 2-3/4" Face, 100-0-100 Amperes DC [8253]
    Blue Sea Systems

    Blue Sea 8253 DC Zero Center Analog Ammeter - 2-3/4" Face, 100-0-100 Amperes DC [8253]

    £64.63
    £94.35
    £64.63
    DC Zero Center Analog AmmeterShunt Type: External Meters read both discharge and charge current Simple 2-wire connection from shunt - no other power required Meter senses and powers from shunt connection Includes appropriate DC shunt Backlit meter face WARNING: This product can expose you to...
    £64.63
    £94.35
    £64.63
  • Pacer Red 12 AWG Primary Wire - 100 [WUL12RD-100]
    Pacer

    Pacer Red 12 AWG Primary Wire - 100 [WUL12RD-100]

    £29.71
    £50.00
    £29.71
    Red 12 AWG Primary Wire - 100' Pacer's marine wire is designed to handle the harshest marine environments.  It is manufactured to meet and exceed the most stringent specifications.  This 12 AWG marine wire is constructed in the USA to achieve the highest level of...
    £29.71
    £50.00
    £29.71
  • Guest 2300A Diesel Power Battery Selector Switch [2300A]
    Guest

    Guest 2300A Diesel Power Battery Selector Switch [2300A]

    £117.38
    £214.70
    £117.38
    Diesel Power Battery Selector SwitchProduct Features Polycarbonate case For 6, 12, 24 or 36 Volt systems Alternator field disconnect (AFD) allowing selection of any position including "off", without damage to alternator or electrical system One year warranty Specifications: Continuous Amps: 360 Momentary Amps: 600...
    £117.38
    £214.70
    £117.38
  • BEP Electronic Dimmer Switch w/Wire Leads - 7A @ 12V DC [1002102]
    BEP Marine

    BEP Electronic Dimmer Switch w/Wire Leads - 7A @ 12V DC [1002102]

    £66.86
    £105.02
    £66.86
    Electronic Dimmer Switch w/Wire Leads - 7A @ 12V DCControls incandescent light intensity from dim to bright. Not meant for LED lights.Features: Nominal voltage is 12V DC Rated for 7A at 12V DC 2" 16 AWG wire lead terminals 7/16" mounting hole, fits panels...
    £66.86
    £105.02
    £66.86
  • Mastervolt DC Master 24V to 12V Converter - 12A w/Isolator [81500300]Mastervolt DC Master 24V to 12V Converter - 12A w/Isolator [81500300]
    Mastervolt

    Mastervolt DC Master 24V to 12V Converter - 12A w/Isolator [81500300]

    £132.24
    £179.78
    £132.24
    DC Master 24V to 12V Converter - 12A w/IsolatorPower you can rely onThe required voltage for DC current can vary. Some equipment requires 24 V, while onboard equipment usually requires 12 V. For custom DC current, Mastervolt offers a series of compact and made...
    £132.24
    £179.78
    £132.24
  • Mastervolt Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank [83116025]Mastervolt Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank [83116025]
    Mastervolt

    Mastervolt Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank [83116025]

    £213.96
    £355.12
    £213.96
    Battery Mate 1602 IG Isolator - 120 Amp, 2 BankThe Battery Mate is the ultimate solution for charging several batteries simultaneously and is compatible with any type of alternator/battery charger, in both existing and new systems. As the voltage loss between the alternator and...
    £213.96
    £355.12
    £213.96
  • Marinco 103RN 30A Weatherproof Cover w/Threaded Sealing Ring [103RN]
    Marinco

    Marinco 103RN 30A Weatherproof Cover w/Threaded Sealing Ring [103RN]

    £11.88
    £18.80
    £11.88
    Weatherproof CoverWeatherproof cover w/threaded ring - use with 305CRCN or 205CRCN 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 go to...
    £11.88
    £18.80
    £11.88
  • Marinco Pigtail Adapter Plus - 30A Female To 15A Male [104SPP]
    Marinco

    Marinco Pigtail Adapter Plus - 30A Female To 15A Male [104SPP]

    £37.14
    £58.11
    £37.14
    Pigtail Adapter Plus104SPPProduct Features: Plus version of the 104A with LED power indicator light 30A 125V locking female to 15A 125V male with locking screw Boat Side: Female Connector 30A 125V Locking w/Sealing Collar System Attaches to boat inlet or cordset Dock Side: Male...
    £37.14
    £58.11
    £37.14
  • Bluewater Dual 12 Position Male Sealed Deutsch Connector Busbar - 5/16" Stud [2314-D-256]
    Bluewater

    Bluewater Dual 12 Position Male Sealed Deutsch Connector Busbar - 5/16" Stud [2314-D-256]

    £40.86
    £0.00
    £40.86
    Dual 12 Position Male Sealed Deutsch Connector Busbar - 5/16" StudThis sealed dual-input busbar features 12 positions for Deutsch DT connectors, offering secure, waterproof connections for complex systems.Ideal for combining protected inputs and outputs in one unit, this dual DT busbar simplifies wiring in...
    £40.86
    £0.00
    £40.86
  • Pacer 8/2 AWG Duplex Cable - Flat Cable - Red/Black - Sold By The Foot [W8/2DC-FT]
    Pacer

    Pacer 8/2 AWG Duplex Cable - Flat Cable - Red/Black - Sold By The Foot [W8/2DC-FT]

    £2.22
    £3.33
    £2.22
    8/2 AWG Duplex Cable - Flat Cable - Red/Black - Sold By The FootDuplex Boat Cable is used in low voltage AC applications as well as DC circuits.  Pacer manufactures 8 AWG Duplex boat cable in house in the USA for the best quality....
    £2.22
    £3.33
    £2.22
  • Newmar BX-2 Junction Box
    Newmar

    Newmar BX-2 Junction Box

    £50.22
    £60.92
    £50.22
    Newmar BX-2 Splashproof BoxModel: BX-2 Provides for secure, protected wiring connections in wheel house or below decks and engine rooms. IP rating 54 — "Splashproof" Rugged cast aluminum box with white enamel finish Metal box reduces electrical interference Easy wiring access through multiple grommeted...
    £50.22
    £60.92
    £50.22
  • Newmar Power Pac 7AH Power Supply
    Newmar

    Newmar Power Pac 7AH Power Supply

    £643.06
    £776.32
    £643.06
    Power-Pac Designed for critical applications such as VHF shore stations that must remain on the air, even during a power outage. The 12 volt supply features built-in back-up batteries which are charged during normal operation and then continue to power radios even when AC...
    £643.06
    £776.32
    £643.06
  • Newmar TP Temperature Probe
    Newmar

    Newmar TP Temperature Probe

    £121.95
    £147.10
    £121.95
    Newmar TP Temperature Probe Temperature probe with 25' cable Model: TP The TP Temperature Compensation Probe is designed exclusively for use with the following NEWMAR Phase Three charger models: PT-32-30, PT-24-45F, PT-24-95F. (All other models use temp sensor model TCS-12/24.)WARNING: Cancer and Reproductive Harm...
    £121.95
    £147.10
    £121.95
  • Newmar 115-24-35CD Pwr Supply 115/230VAC To 24VDC @ 35A Cont
    Newmar

    Newmar 115-24-35CD Pwr Supply 115/230VAC To 24VDC @ 35A Cont

    £2,091.33
    £2,730.29
    £2,091.33
    Heavy Duty Series Designed for powering 12 and 24 VDC communication/navigation equipment aboard commercial vessels where reliability is the primary consideration. Input voltage 115 or 230 VAC selected by slide switch on the front panel. Excellent Regulation and Ripple Spec: Output voltage maintained within...
    £2,091.33
    £2,730.29
    £2,091.33
  • Newmar 115-12-8 Power Supply 115/230VAC To 12VDC @ 8 Amps
    Newmar

    Newmar 115-12-8 Power Supply 115/230VAC To 12VDC @ 8 Amps

    £418.26
    £546.06
    £418.26
    Heavy Duty Series Designed for powering 12 and 24 VDC communication/navigation equipment aboard commercial vessels where reliability is the primary consideration. Input voltage 115 or 230 VAC selected by slide switch on the front panel. Excellent Regulation and Ripple Spec: Output voltage maintained within...
    £418.26
    £546.06
    £418.26
  • Newmar BB2 Bus Bar
    Newmar

    Newmar BB2 Bus Bar

    £48.15
    £55.72
    £48.15
    Ideal as a DC ground tie point or positive bus, these heavy duty, 500 amp rated bus bar assemblies feature 5/16" studs on 1" centers in 1/4" thick copper bar for common connection/distribution of large wire gauges and accommodate 5/16" ring terminals. One combination...
    £48.15
    £55.72
    £48.15
  • Samlex 15A Battery Charger - 24V - 3-Bank - 3-Stage w/Dip Switch Lugs [SEC-2415UL]
    Samlex America

    Samlex 15A Battery Charger - 24V - 3-Bank - 3-Stage w/Dip Switch Lugs [SEC-2415UL]

    £228.45
    £285.58
    £228.45
    15A Battery Charger - 24V - 3-Bank - 3-Stage w/Dip Switch & LugsThis advanced fully automatic three-stage 15 Amp battery charger is ideal for charging all types of 24 Volt lead-acid batteries ( Flooded / Absorbed Glass Mat (AGM) / Gel Cell) from a...
    £228.45
    £285.58
    £228.45
  • Xantrex Inline Transfer Relay f/PROwatt SW [808-0915]
    Xantrex

    Xantrex Inline Transfer Relay f/PROwatt SW [808-0915]

    £56.46
    £70.56
    £56.46
    PROwatt SWInline Transfer RelayAn easy to mount 15A Inline Transfer Relay provides switching between shorepower and inverter AC source. It comes with a power plug for convenient connection to the inverter GFCI and a hardwire cord for the AC input and output interface. It...
    £56.46
    £70.56
    £56.46
  • Egis MRBF Terminal Fuse - 200 Amp [3603-200]
    Egis Mobile Electric

    Egis MRBF Terminal Fuse - 200 Amp [3603-200]

    £5.94
    £14.86
    £5.94
    MRBF Terminal Fuse - 200 Amp Transparent easy visual of fuse status Ignition-protected SAE/J1171-ISO8846 High interrupt rating satisfies ABYC requirements for DC main circuit protection on larger battery banks Color-coded for easy ID of amperage rating Features Protects Electrical Circuits from short circuit events...
    £5.94
    £14.86
    £5.94
  • Dolphin Charger Pro Series Dolphin Battery Charger - 24V, 60A, 110/220VAC - 50/60Hz [99503]
    Dolphin Charger

    Dolphin Charger Pro Series Dolphin Battery Charger - 24V, 60A, 110/220VAC - 50/60Hz [99503]

    £999.98
    £1,390.77
    £999.98
    Pro Series Dolphin Battery Charger - 24V, 60A, 110/220VAC - 50/60HzThe Dolphin Series of battery chargers has always been recognized for its outstanding quality, which the manufacturer is proud to support with a 2-year warranty. Due to production on a wide scale, Dolphin is...
    £999.98
    £1,390.77
    £999.98