Main Content
Free shipping on orders $100 and more

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.

    24 products|Sort by:
    AC12340

    AC12340

    12ft Cordset, 30A

    $78.69
    In Stock
    AC12400

    AC12400

    AC Inlet Port with 6' Extension Cord

    $34.99
    In Stock
    WH10620

    WH10620

    Trolling Motor Plug & Receptacle Set

    $65.99
    Low stock
    AC12500

    AC12500

    Pigtail Adapter, 30A 125V (L5-30P) Male to 50A 125/250V (SS2-50R)Female

    $144.79
    In Stock
    AC12450

    AC12450

    50A 125/250V (SS2-50R) Female to (2) 30A 125V (L5-30P) Male Shore Power Reverse "Y" Adapter

    $299.99
    In Stock
    AC12350

    AC12350

    25ft Cordset, 30A

    $129.39
    In Stock
    AC12410

    AC12410

    AC Inlet Port with 12' Extension Cord

    $39.99
    In Stock
    AC12360

    AC12360

    50ft Cordset, 30A

    $119.99
    In Stock
    AC12520

    AC12520

    Inlet, 30A 125V, Square, White

    $69.99
    In Stock
    AC12430

    AC12430

    Y Adapter, 50A 125/250V (SS2-50P) Male To (2) 30A 125V Females (L5-30R)

    $179.99
    In Stock
    AC12480

    AC12480

    Pigtail Adapter, 15A 125V ( 5-15P) Male Straight Blade to 30A 125V (L5-30R) Female Locking

    $46.89
    In Stock
    AC12510

    AC12510

    Pigtail Adapter, 30A 125V (L5-30P) Male to 15A 125V (5-15R) Female

    $55.39
    In Stock
    AC12370

    AC12370

    25ft Cordset, 50A

    $512.99
    In Stock
    AC12440

    AC12440

    Pigtail Adapter, 50A 125/250V (SS2-50P) Male to 30A 125V (L5-30R) Female

    $129.99
    In Stock
    AC12540

    AC12540

    AC Inlet Port, 15A

    $24.99
    Low stock
    AC12390

    AC12390

    AC Inlet Port with 16" Extension Cord

    $27.39
    In Stock
    AC12380

    AC12380

    50ft Cordset, 50A

    $683.99
    In Stock
    AC12460

    AC12460

    Y Adapter, 30A 125V(L5-30P) Male to (2) 30A 125V (L5-30R) Females

    $144.79
    In Stock
    WH10620R

    WH10620R

    Trolling Motor Receptacle

    $38.49
    Low stock
    WH10620P

    WH10620P

    Trolling Motor Plug

    $32.99
    Low stock
    AC12490

    AC12490

    Female Connector, 30A 125V L5-30R

    $29.79
    In Stock
    AC12420

    AC12420

    AC Inlet Port with Twin 18" Extension Cord

    $39.99
    In Stock
    AC12470

    AC12470

    Female Connector, 50A 125/250V SS2-50R

    $85.19
    In Stock
    AC12530

    AC12530

    Locking Receptacle, 30A 125V L5-30R, BLACK

    $39.99
    Low stock
    Showing 24 out of 24 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.