Electrical - Accessories
Marine electrical accessories are essential components for maintaining, upgrading, and optimizing your vessel's electrical system. Engineered for dependable performance in demanding freshwater and saltwater environments, today's marine electrical accessories help ensure safe power distribution, efficient operation, and reliable connectivity between onboard systems. From battery switches, terminals, connectors, fuses, circuit protection, wiring components, power distribution panels, adapters, and installation hardware to essential replacement parts, these products are designed to support a wide range of marine electrical applications. Whether you're completing a new installation, upgrading your boat's electronics, or maintaining existing equipment, the right electrical accessories help improve system reliability and protect valuable onboard components. Featuring premium products from trusted marine manufacturers, our Electrical Accessories collection delivers the quality, durability, and performance serious boaters expect. Browse our selection today and let our knowledgeable team help you choose the ideal electrical solutions for your vessel's power and control systems.
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- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
- Price, low to high
- Price, high to low
- Date, old to new
- Date, new to old
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Vendor:Egis Mobile Electric
Egis XD Series Triple Flex 2 Relay-ACR-Relay w/Knobs 3X DTM Connector [8830-1535]
- $284.99
$396.70- $284.99
- Unit price
- / per
XD Series Triple Flex 2 Relay-ACR-Relay with Knobs & 3X DTM ConnectorThe Egis relay replaces three individual high-amp relays with one compact module, reducing space significantly, eliminating the cost of external link cable connections, eliminating the risk of link cable connections vibrating loose, and...- $284.99
$396.70- $284.99
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Vendor:Marinco
Marinco Sealink Dual USB-A/C Combo Charger [12VDUSBAC]
- $25.99
$39.99- $25.99
- Unit price
- / per
Sealink® Dual USB-A/C Combo ChargerThe Marinco Sealink USB-A/C Combo offers total charging flexibility. Compatible with 12V and 24V systems, and delivering up to 45W of total output, the charger charges electronics including cell phones, tablets, headphones & other devices. Mounting in a standard 1...- $25.99
$39.99- $25.99
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Vendor:Egis Mobile Electric
Egis Dual XD Flex 2 - Relay - ACR w/Knobs [8820-1530]
- $202.99
$282.30- $202.99
- Unit price
- / per
Dual XD Flex 2 - Relay - ACR with KnobsFeatures: Bullet-proof Construction: Sealed to IP67/IP6K9K, high-temperature electronics and materials allow mounting anywhere. Stainless steel cable lug studs. Large mounting holes accept 1/4-20 / M6 attachment hardware. Intuitive Manual Control option simplifies operation and awareness...- $202.99
$282.30- $202.99
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Vendor:Mastervolt
Mastervolt MasterBus Terminator [77040000]
- $9.99
$10.99- $9.99
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MasterBus TerminatorTerminators ensure interference-free operation of the MasterBus network, prevent reflection of data signals, and ensure high communication speeds.- $9.99
$10.99- $9.99
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Vendor:ProMariner
ProMariner ProNautic 1260P Remote Temperature Sensor Probe [63106]
- $11.99
$16.99- $11.99
- Unit price
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ProNautic 1260P Remote Temperature Sensor Probe Replacement for the ProNauticP temperature probe that comes standard with the ProNauticP. Once the temperature sensor is connected to the charger, it will adjust its charge based on the batteries temperature.Features:Plug and play functionality Technical Specifications: Connection (Battery End) -...- $11.99
$16.99- $11.99
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Vendor:Mastervolt
Mastervolt MasterBus Cable - 1M [77040100]
- $37.99
$41.99- $37.99
- Unit price
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MasterBus Cable - 1M Suitable for data traffic and powering peripheral equipment, this is the only cable you need for your MasterBus network. MasterBus compatible products come standard with two ports, while other equipment requires an interface.WARNING: This product can expose you to chemicals including...- $37.99
$41.99- $37.99
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Vendor:Blue Sea Systems
Blue Sea 1046 48V Dual USB Charger Socket Mount [1046]
- $53.99
$78.99- $53.99
- Unit price
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1046 48V Dual USB Charger Socket MountIntelligent device recognition maximizes charge rate for phones, tablets, or other mobile devices.Features: Ideal for golf carts and other 48V systems Spring-hinged lid keeps debris and moisture out Charges at the speed required by specific devices Internal filtering...- $53.99
$78.99- $53.99
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Vendor:Newmar Power
Newmar PC-10 Power Conditioner Noise Filter [PC-10]
- $99.99
$118.00- $99.99
- Unit price
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PC-10 Power Conditioner Noise FilterThe interference or electronic “noise” generated by alternators, ignition systems, motors, etc. can render a vehicle or vessel’s radio or other electronic equipment virtually useless. This interference takes the form of popping or static on radios or audio gear and...- $99.99
$118.00- $99.99
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Vendor:Sea-Dog
Sea-Dog Round Rainbow Voltmeter w/USB USB-C Power Socket [426519-1]
- $34.99
$51.95- $34.99
- Unit price
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Round Rainbow Voltmeter with USB & USB-C Power SocketRainbow Volt Meter with USB 3.0 & USB-C Power Socket charges two devices simultaneously while the rainbow dial displays voltage status. The total output 6A load is split 3A per side as needed. USB 3.0 features...- $34.99
$51.95- $34.99
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Vendor:Sea-Dog
Sea-Dog 144" SAE Power Cable Polarized Electrical Connector [426912-1]
- $13.99
$18.95- $13.99
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144" SAE Power Cable Polarized Electrical ConnectorThis SAE-type polarized electrical connector is a two-prong plug and socket connector set. Features:14-gauge duplex wireSpecifications: Length: 144 in. Volts: 12-24 Max Amps: 20A @ 12V Wire Gauge: 14 AWM Weight: 0.44 lb. Specifications: Type: Cables Box Dimensions: 2"H...- $13.99
$18.95- $13.99
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Vendor:Sea-Dog
Sea-Dog Round Voltage Meter 5V-15VDC w/Rainbow Dial [421616-1]
- $25.99
$39.95- $25.99
- Unit price
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Round Voltage Meter 5V-15VDC with Rainbow DialThis digital dual-round volt meter displays voltage for the main and auxiliary batteries simultaneously. With the same compact size as a standard 12V receptacle socket, this volt meter supports many installation options. Features: Constructed of injection-molded nylon Red LED...- $25.99
$39.95- $25.99
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Vendor:Sea-Dog
Sea-Dog USB USB-C Rocker Switch Style Power Socket [426521-1]
- $24.99
$35.95- $24.99
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USB & USB-C Rocker Switch Style Power SocketThis USB & USB-C Rocker Switch Style Power Socket charges two devices simultaneously. Fits into any 13/16” x 1-7/16” rocker switch hole. The total output 4.8A load is split 2.4A per side as needed. USB-C features Power...- $24.99
$35.95- $24.99
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Vendor:Sea-Dog
Sea-Dog 72" SAE Power Cable Polarized Electrical Connector [426906-1]
- $8.99
$12.95- $8.99
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72" SAE Power Cable Polarized Electrical ConnectorThis SAE-type polarized electrical connector is a two-prong plug and socket connector set. Features:14-gauge duplex wireSpecifications: Length: 72 in. Volts: 12-24 Max Amps: 20A @ 12V Wire Gauge: 14 AWM Weight: 0.26 lb. Specifications: Type: Cables Box Dimensions: 2"H...- $8.99
$12.95- $8.99
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Vendor:Sea-Dog
Sea-Dog USB 3.0 USB-C Power Socket w/Out Light [426510-1]
- $16.99
$26.85- $16.99
- Unit price
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USB 3.0 & USB-C Power Socket without LightThis USB 3.0 & USB-C power socket charges two devices simultaneously. When split, the total 6A output is 3A per side. USB 3.0 features Quick Charging (QC) for supported devices, giving enough power to charge phones, pads,...- $16.99
$26.85- $16.99
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Vendor:Blue Sea Systems
Blue Sea 1015 12V DC Plug & Dash Socket (1010 & 1011) [1015]
- $19.99
$27.99- $19.99
- Unit price
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12V DC Plug & Dash SocketFeatures: Plug has a moisture proof sealing ring around the shaft to keep out spray and make it seat firmly in the outlet Plug features an "ON" indicating LED, moisture proof sealing ring, strain relief, and a built-in 10...- $19.99
$27.99- $19.99
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Vendor:Bluewater
Bluewater Terminal Block Tweezer f/Terminal Strip [16000-03-0T]
- $5.73
$0.00- $5.73
- Unit price
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Terminal Block Tweezer for Terminal StripSpecially designed for terminal strip maintenance, the precision Terminal Block Tweezer allows for safe and easy disconnection of terminals within Snap 30A systems. A must-have tool for installers and technicians working with tight or complex assemblies.The tweezer offers enhanced...- $5.73
$0.00- $5.73
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Vendor:Victron Energy
Victron Nucleo GX [BPP900453100]
- $216.75
$255.00- $216.75
- Unit price
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Nucleo GXThe Nucleo GX is a compact, high-performance GX device that offers Ekrano GX-level speed at a lower cost.Powered by a quad-core processor, it connects up to 25 devices via VE.Direct and USB, plus more via VE.Can, and provides real-time monitoring of battery status,...- $216.75
$255.00- $216.75
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Vendor:ProMariner
ProMariner Universal DC Cable Extender - 5 [51805]
- $23.99
$38.99- $23.99
- Unit price
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Universal DC Cable Extender - 5'Universal design for all marine chargers with ring terminal cables. No cutting, stripping or splicing required.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...- $23.99
$38.99- $23.99
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Vendor:Pacer
Pacer Ivory 8 AWG Wire Ferrule - 12mm Length - 10 Pack [TFRL8-12MM-10]
- $2.99
$3.30- $2.99
- Unit price
- / per
Ivory 8 AWG Wire Ferrule - 12mm Length - 10 PackWire fraying can quickly become a problem when dealing with IEC (European)-style terminal blocks. As the wire frays, the connection becomes weaker, and the problem will need to be addressed. But all that can...- $2.99
$3.30- $2.99
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Vendor:Mastervolt
Mastervolt MasterBus Cable - 6M [77040600]
- $45.99
$50.99- $45.99
- Unit price
- / per
MasterBus Cable - 6MSuitable for data traffic and powering peripheral equipment in harsh environments, this is the only cable you need for your MasterBus network. MasterBus compatible products come standard with two ports, while other equipment requires an interface. A DIY kit is optional. Brochure...- $45.99
$50.99- $45.99
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![Marinco Sealink Dual USB-A/C Combo Charger [12VDUSBAC]](http://www.dbmarinesupplies.com/cdn/shop/files/103707XL_533x.jpg?v=1714591180)
![Sea-Dog Round Rainbow Voltmeter w/USB USB-C Power Socket [426519-1]](http://www.dbmarinesupplies.com/cdn/shop/files/98460XL_533x.jpg?v=1682836586)
![Sea-Dog USB USB-C Rocker Switch Style Power Socket [426521-1]](http://www.dbmarinesupplies.com/cdn/shop/files/98461XL_533x.jpg?v=1682836596)
![Sea-Dog USB 3.0 USB-C Power Socket w/Out Light [426510-1]](http://www.dbmarinesupplies.com/cdn/shop/files/100304XL_533x.jpg?v=1691184607)
![Victron Nucleo GX [BPP900453100]](http://www.dbmarinesupplies.com/cdn/shop/files/114911XL_533x.jpg?v=1786425983)
![Mastervolt MasterBus Cable - 6M [77040600]](http://www.dbmarinesupplies.com/cdn/shop/files/89455XL_533x.jpg?v=1682783738)