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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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FS40900

FS40900

409 Series Fuse Block

Low stock
AV10040R

AV10040R

Push Button Switch, Red Halo

Low stock
RS20010

RS20010

Contura Rotary Switch

Low stock
WH10620R

WH10620R

Trolling Motor Receptacle

Low stock
AC12390

AC12390

AC Inlet Port with 16" Extension Cord

BS11030

BS11030

Battery Switch w/ AFD (1-2-BOTH-OFF)

Low stock
RK40690G

RK40690G

Rocker Switch, Green Halo

Low stock
RS20060

RS20060

Contura Rotary Switch, Progressive

Low stock
RK19830TP

RK19830TP

Contura III Illuminated Weather Resistant Rocker Switch

Low stock
RS20040

RS20040

Contura Rotary Switch

Low stock
WH10530-1

WH10530-1

Trolling Motor Socket

Low stock
AC12380

AC12380

50ft Cordset, 50A

Low stock
AV10060B

AV10060B

Push Button Switch, Blue Halo

Low stock
AC12370

AC12370

25ft Cordset, 50A

Low stock
EA01070

EA01070

Digital Voltmeter

Low stock
BS11040

BS11040

Voltage Sensitive Relay

Low stock
AC12530

AC12530

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

Low stock
AV10030R

AV10030R

Push Button Switch, Red Halo

Low stock
TG22040

TG22040

Toggle Switch

Low stock
AV10100R

AV10100R

Push Button Switch, Red Halo

Low stock
RS20050

RS20050

Contura Rotary Switch, Starter

Low stock
RS20030

RS20030

Contura Rotary Switch

Low stock
PC51110

PC51110

NMEA 2000 Micro 4-T Piece

Low stock
EA01090

EA01090

Digital Voltmeter - Graph Display

Low stock
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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.

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