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

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

    $130.79
    $205.45
    $130.79
    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...
    $130.79
    $205.45
    $130.79
  • 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]

    $258.69
    $351.71
    $258.69
    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...
    $258.69
    $351.71
    $258.69
  • 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]

    $418.56
    $694.71
    $418.56
    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...
    $418.56
    $694.71
    $418.56
  • Marinco 103RN 30A Weatherproof Cover w/Threaded Sealing Ring [103RN]
    Marinco

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

    $23.24
    $36.79
    $23.24
    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...
    $23.24
    $36.79
    $23.24
  • Marinco Pigtail Adapter Plus - 30A Female To 15A Male [104SPP]
    Marinco

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

    $72.65
    $113.68
    $72.65
    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...
    $72.65
    $113.68
    $72.65
  • 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]

    $4.35
    $6.51
    $4.35
    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....
    $4.35
    $6.51
    $4.35
  • Newmar BX-2 Junction Box
    Newmar

    Newmar BX-2 Junction Box

    $100.23
    $119.18
    $100.23
    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...
    $100.23
    $119.18
    $100.23
  • Newmar Power Pac 7AH Power Supply
    Newmar

    Newmar Power Pac 7AH Power Supply

    $1,266.34
    $1,565.30
    $1,266.34
    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...
    $1,266.34
    $1,565.30
    $1,266.34
  • Newmar TP Temperature Probe
    Newmar

    Newmar TP Temperature Probe

    $243.41
    $287.77
    $243.41
    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...
    $243.41
    $287.77
    $243.41
  • 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

    $4,322.42
    $5,341.20
    $4,322.42
    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...
    $4,322.42
    $5,341.20
    $4,322.42
  • 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

    $864.48
    $1,068.24
    $864.48
    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...
    $864.48
    $1,068.24
    $864.48
  • Newmar BB2 Bus Bar
    Newmar

    Newmar BB2 Bus Bar

    $92.06
    $109.00
    $92.06
    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...
    $92.06
    $109.00
    $92.06
  • Xantrex Inline Transfer Relay f/PROwatt SW [808-0915]
    Xantrex

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

    $110.44
    $138.03
    $110.44
    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...
    $110.44
    $138.03
    $110.44
  • Egis MRBF Terminal Fuse - 200 Amp [3603-200]
    Egis Mobile Electric

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

    $11.61
    $29.07
    $11.61
    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...
    $11.61
    $29.07
    $11.61
  • Blue Sea 3119 SMS Surface Mount System Panel Enclosure - 120/240V AC / 50A ELCI Main - 1 Blank Circuit Position [3119]
    Blue Sea Systems

    Blue Sea 3119 SMS Surface Mount System Panel Enclosure - 120/240V AC / 50A ELCI Main - 1 Blank Circuit Position [3119]

    $1,164.15
    $1,776.03
    $1,164.15
    3119 SMS Surface Mount System Panel Enclosure - 120/240V AC / 50A ELCI Main - 1 Blank Circuit PositionThe 3119 panel enclosure is for ELCI Main circuit breakers and other large frame devices. Meets ABYC E-11 when used with an ELCI Main circuit breaker...
    $1,164.15
    $1,776.03
    $1,164.15
  • Newmar NS-12-20 Nav Start Guard
    Newmar

    Newmar NS-12-20 Nav Start Guard

    $429.30
    $530.49
    $429.30
    DC UPS: StartGuard The abrupt DC system voltage drop that accompanies engine starting can cause communication/navigation electronics to "dump" programmed memory. StartGuard solves this problem by providing supplemental voltage to sensitive electronics while the engine is cranked. It contains a sealed rechargeable battery which...
    $429.30
    $530.49
    $429.30
  • Bluewater 19mm Inrush Push Button Switch Off/On - Blue/Red LED - Switch Body Only [9057-1113]
    Bluewater

    Bluewater 19mm Inrush Push Button Switch Off/On - Blue/Red LED - Switch Body Only [9057-1113]

    $69.76
    $0.00
    $69.76
    19mm Inrush Push Button Switch Off/On - Blue/Red LED - Switch Body OnlyThe 9057 Series 19mm Marine Grade Switch is a compact precision control solution engineered for tight panel layouts and rugged environments. Housed in corrosion-resistant SS316 stainless steel and sealed to an IP69K...
    $69.76
    $0.00
    $69.76
  • Newmar NS-12-20 StartGuard [NS-12-20]
    Newmar Power

    Newmar NS-12-20 StartGuard [NS-12-20]

    $430.19
    $530.49
    $430.19
    NS-12-20 StartGuardThe abrupt DC system voltage drop that accompanies engine starting can cause micro-processor-driven electronics aboard vehicles or vessels to "dump" programmed memory. StartGuard solves these problems by providing supplemental power to sensitive electronics while the engines are cranking. Newmar's NS-12-20 StartGuard supplies backup...
    $430.19
    $530.49
    $430.19
  • Victron SmartSolar MPPT 100/20 - Up to 48 VDC [SCC110020160R]Victron SmartSolar MPPT 100/20 - Up to 48 VDC [SCC110020160R]
    Victron Energy

    Victron SmartSolar MPPT 100/20 - Up to 48 VDC [SCC110020160R]

    $135.89
    $159.87
    $135.89
    SmartSolar MPPT 100/20 - Up to 48 VDCA solar charger gathers energy from your solar panels, and stores it in your batteries. Using the latest, fastest technology, SmartSolar maximises this energy-harvest, driving it intelligently to achieve full charge in the shortest possible time. SmartSolar...
    $135.89
    $159.87
    $135.89
  • Bluewater 22mm Push Button Switch - Off/On Contact - Blue/Red LED - 4' Lead [9059-1113-4]Bluewater 22mm Push Button Switch - Off/On Contact - Blue/Red LED - 4' Lead [9059-1113-4]
    Bluewater

    Bluewater 22mm Push Button Switch - Off/On Contact - Blue/Red LED - 4' Lead [9059-1113-4]

    $107.55
    $0.00
    $107.55
    22mm Push Button Switch - Off/On Contact - Blue/Red LED - 4' LeadThis stainless-steel plated metal button can transform any dash by adding a touch of modern flair. This button has a standard "Off/On" contact.The body design combined with the included gasket gives this...
    $107.55
    $0.00
    $107.55