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Power Systems

Discover our power systems category, offering essential components for your marine electrical needs. Sierra shore power adapters and cords ensure continuous power at docks. Our selection of trolling motor plugs and NMEA 2000 components offer reliable performance and seamless connectivity. Ensure safety with robust circuit breakers & fuse blocks, all designed for the demanding marine environment. Whatever the application, you can browse our selection with confidence that you'll find what you need to propel your vessel for years to come.

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    TG22040

    TG22040

    Toggle Switch

    $10.99
    Low stock
    CB50630

    CB50630

    Circuit Breaker, 60A

    $52.99
    Low stock
    AV10100R

    AV10100R

    Push Button Switch, Red Halo

    $78.19
    Low stock
    RS20060

    RS20060

    Contura Rotary Switch, Progressive

    $27.69
    Low stock
    RK40620B

    RK40620B

    Rocker Switch, Blue Halo

    $40.19
    Low stock
    RK40650B

    RK40650B

    Rocker Switch, Blue Halo

    $40.19
    Low stock
    PC51050

    PC51050

    NMEA 2000 Power T Cable, 3'

    $33.99
    Low stock
    FS40920

    FS40920

    409 Series Fuse Block

    $49.99
    Low stock
    RK19770TP

    RK19770TP

    Contura III Illuminated Weather Resistant Rocker Switch

    $23.99
    Low stock
    TG22030

    TG22030

    Toggle Switch

    $10.99
    Low stock
    RK40690G

    RK40690G

    Rocker Switch, Green Halo

    $40.19
    Low stock
    EA01100

    EA01100

    AUX Power Socket

    $12.49
    Low stock
    AC12380

    AC12380

    50ft Cordset, 50A

    $683.99
    In Stock
    AV10040G

    AV10040G

    Push Button Switch, Green Halo

    $23.69
    Low stock
    AC12390

    AC12390

    AC Inlet Port with 16" Extension Cord

    $27.39
    In Stock
    AV10030R

    AV10030R

    Push Button Switch, Red Halo

    $28.39
    Low stock
    CB50550

    CB50550

    Circuit Breaker, 50A

    $52.99
    Low stock
    RK40700B

    RK40700B

    Rocker Switch, Blue Halo

    $40.19
    Low stock
    PC51080

    PC51080

    NMEA 2000 Male Termination Resistor

    $14.99
    Low stock
    CB50540

    CB50540

    Circuit Breaker, 40A

    $52.99
    Low stock
    RK40640B

    RK40640B

    Rocker Switch, Blue Halo

    $52.79
    Low stock
    RK40680G

    RK40680G

    Rocker Switch, Green Halo

    $40.19
    Low stock
    PC51100

    PC51100

    NMEA 2000 Micro 2-TEE Piece

    $42.99
    Low stock
    CB50640

    CB50640

    Circuit Breaker, 80A

    $52.99
    Low stock
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    Showing 24 out of 182 products

    What is marine power systems?

    Marine power systems are the lifeline of any vessel, encompassing a wide range of components essential for operating various onboard electrical devices. They provide the necessary energy to run everything from basic lighting and navigation equipment to more sophisticated systems like radar and communication devices. Understanding the basics of your boat's power system, including its capacity, voltage requirements, and energy consumption patterns, is crucial for safe and efficient operation.

    Energy Management and Distribution

    Effective energy management in marine power systems is key to ensuring a consistent and reliable power supply. This involves not only generating power, typically through engines or generators, but also storing it in batteries and distributing it effectively through the boat’s electrical network. The use of switches, circuit breakers, and fuse blocks plays a vital role in controlling and protecting this distribution.

    Compatibility and Integration

    In modern marine power systems, the integration of various components is essential for streamlined operation. This includes ensuring compatibility between devices like shore power connections, trolling motor plugs, and onboard charging systems. The NMEA 2000 network standards, for example, allow for seamless communication between different electronic devices, improving overall system efficiency and user-friendliness.

    Maintenance and Upkeep

    Regular maintenance of your boat's power system is essential to prevent failures and extend the life of its components. This includes checking connections, ensuring batteries are properly charged and maintained, and inspecting wiring and safety devices like circuit breakers. Staying proactive in system maintenance not only ensures reliability but also enhances the safety of your vessel.