Electrical - Busbars, Connectors & Insulators
Marine busbars, connectors, and insulators are essential components for creating safe, organized, and reliable electrical distribution systems onboard your vessel. Engineered for demanding freshwater and saltwater environments, these marine-grade components help manage power connections while providing secure conductivity, protection, and long-lasting performance. From positive and negative busbars, terminal blocks, power posts, cable connectors, distribution blocks, and insulated connection solutions to mounting hardware and protective covers, these products support efficient power distribution for batteries, marine electronics, lighting, pumps, and other onboard systems. Quality busbars and connectors help reduce wiring clutter, improve electrical organization, and provide dependable connections for critical equipment. Whether you're upgrading your boat's electrical system, completing a new installation, or improving power management, the right components help ensure safe and efficient operation on the water. Featuring premium products from trusted marine manufacturers, our Electrical – Busbars, Connectors & Insulators collection delivers the reliability and performance serious boaters expect. Browse our selection today and let our knowledgeable team help you choose the ideal electrical connection solutions for your vessel.
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Vendor:Bluewater
Bluewater Terminal Block Part B [16000-02-0B]
- $1.95
$0.00- $1.95
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Terminal Block Part BTerminal Block Part B is the core of the Snap Terminal Strip system, combining secure screw terminals with a nickel-plated copper construction for excellent conductivity and corrosion resistance.Rated for 30 amps, these modules can be snapped together in any quantity to...- $1.95
$0.00- $1.95
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Vendor:Bluewater
Bluewater 5/16" Power Post - Black [314300-B-516]
- $9.45
$0.00- $9.45
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5/16" Power Post - BlackThis power post features a 5/16” stud for secure, high-current cable connections. It’s ideal for smaller power runs or ground returns where space and reliability are key. The 5/16 power post is made from corrosion-resistant materials, ensuring long-lasting durability in...- $9.45
$0.00- $9.45
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Vendor:Bluewater
Bluewater Dual Deutsch DTP 4 Position Busbar - 5/16" Studs [2324-D-056]
- $58.63
$0.00- $58.63
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Dual Deutsch DTP 4 Position Busbar - 5/16" StudsWith 4 positions for Deutsch DTP connectors, this sealed busbar delivers high-current capacity with protected terminations. It’s built for compact systems that demand durability and reliability.The 4-position sealed busbar offers excellent resistance to moisture, dust, and...- $58.63
$0.00- $58.63
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Vendor:Bluewater
Bluewater 3/8" Power Post - Red [314300-R-038]
- $9.76
$0.00- $9.76
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3/8" Power Post - RedA rugged single power post with a 3/8” stud, built for high-current cable termination. It’s perfect for distributing power from batteries, breakers, or busbars in demanding environments. This 3/8 power post features corrosion-resistant materials to ensure long-lasting durability even in...- $9.76
$0.00- $9.76
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Vendor:Victron Energy
Victron Busbar 150A 6P Cover 6X 1/4" Terminals [VBB115060020]
- $43.49
$51.17- $43.49
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Busbar 150A 6P & Cover 6X 1/4" TerminalsBusbars are used for high current distribution and at the same time they provide connections for batteries and/or DC equipment.We offer a number of busbars with different current ratings, and a different number of connection terminals. Each...- $43.49
$51.17- $43.49
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Vendor:Victron Energy
Victron Busbar 150A 4P Cover 4X 1/4" Terminals [VBB115040020]
- $28.99
$34.11- $28.99
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Busbar 150A 4P & Cover 4X 1/4" TerminalsBusbars are used for high current distribution and at the same time they provide connections for batteries and/or DC equipment.We offer a number of busbars with different current ratings, and a different number of connection terminals. Each...- $28.99
$34.11- $28.99
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Vendor:Bluewater
Bluewater DTP Busbar [DTP04-4P-B4]
- $34.52
$0.00- $34.52
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DTP BusbarDesigned for Deutsch DTP connectors, this busbar allows clean distribution to high-power circuits. It’s perfect for sealed, vibration-resistant wiring in marine and off-road systems. The DTP busbar supports high-amperage loads while maintaining reliable performance in wet, dirty, or high-vibration environments.Its compact form factor...- $34.52
$0.00- $34.52
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Vendor:Bluewater
Bluewater 12 Position Male Sealed Deutsch Connector Busbar - 5/16" Stud [2314-D-056]
- $30.13
$0.00- $30.13
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12 Position Male Sealed Deutsch Connector Busbar - 5/16" StudThis waterproof busbar is designed for Deutsch-style DT connectors and built to resist moisture, corrosion, and vibration. With its rugged housing and sealed construction, it’s ideal for marine, off-road, and industrial power distribution where reliability...- $30.13
$0.00- $30.13
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Vendor:Egis Mobile Electric
Egis Busbar 85 Series Link [8796]
- $17.04
$21.18- $17.04
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Busbar 85 Series LinkFeatures: Compatible with 85 Series surface- and panel-mount circuit breaker products Tin-plated copper busbars deliver superior electrical performance with minimal voltage drop Insulated to prevent inadvertent short circuits This product may not be returned to the original point of purchase. Please...- $17.04
$21.18- $17.04
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Vendor:Egis Mobile Electric
Egis 150A Dual Stud Common Busbar - 20 Screw w/Cover [6151-220]
- $41.20
$50.46- $41.20
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150A Dual Stud Common Busbar - 20 Screw with CoverFeatures: Compact Footprint allows for installation in areas where space is limited Variety of High and low-amperage outputs allows for a wide range of outputs to be distributed from a single busbar Stainless Steel Self-Locking...- $41.20
$50.46- $41.20
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Vendor:Egis Mobile Electric
Egis 85 Series Triple Link Busbar [8798]
- $18.46
$18.76- $18.46
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85 Series Triple Link BusbarCompatible with 85 series surface and panel mount circuit breaker products. Tin-plated copper busbars deliver superior electrical performance with minimal voltage drop. Overmolded insulation prevents inadvertent short circuits.This product may not be returned to the original point of purchase. Please...- $18.46
$18.76- $18.46
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Vendor:Bluewater
Bluewater Dual 12 Position Male Sealed Deutsch Connector Busbar - 5/16" Stud [2314-D-256]
- $78.17
$0.00- $78.17
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Dual 12 Position Male Sealed Deutsch Connector Busbar - 5/16" StudThis sealed dual-input busbar features 12 positions for Deutsch DT connectors, offering secure, waterproof connections for complex systems.Ideal for combining protected inputs and outputs in one unit, this dual DT busbar simplifies wiring in...- $78.17
$0.00- $78.17
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Vendor:T-Spec
T-Spec VPNB2 MANL 2 Position All-In-One Distribution Block w/Cover [VPNB2]
- $51.15
$56.84- $51.15
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VPNB2 MANL 2 Position All-In-One Distribution Block with CoverT-Spec designed VPNB2 distribution block to handle the high-current power and ground distribution for two (2) power sources, and protect them each with a mini-ANL fuse. This hefty little block distributes power from one (1) 1/0-gauge...- $51.15
$56.84- $51.15
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Vendor:Blue Sea Systems
Blue Sea PowerBar 1000 - 8 5/16" Terminal Studs w/Cover [1992]
- $230.23
$335.41- $230.23
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PowerBar 1000 - 8 5/16" Terminal Studs w/CoverComplex wiring systems require a single point to consolidate large and small conductors. The PowerBar 1000 offers a 1,000 Amp busbar with various size studs and screws to connect conductors and fuse blocks.Features: 1,000 Amp busbar for...- $230.23
$335.41- $230.23
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Vendor:Blue Sea Systems
Blue Sea 2610 Terminal Block 65AMP - 10 Circuit [2610]
- $39.78
$56.84- $39.78
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2610 Terminal Block 65AMP - 10 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow creation of common circuits WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known...- $39.78
$56.84- $39.78
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Vendor:Blue Sea Systems
Blue Sea 4014 CableCap - Red 1.25 to 0.70 [4014]
- $8.51
$11.36- $8.51
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4014 CableCap - Red 1.25 to 0.70Features:Insulate stud type connectors on alternators, starters, windlasses and other high amperage devicesWARNING: 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...- $8.51
$11.36- $8.51
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Vendor:Blue Sea Systems
Blue Sea 2719 Maxibus Cover f/2127 & 2128 [2719]
- $36.94
$53.99- $36.94
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Maxibus CoverPart# 2719Cover for 2127 & 2128WARNING: 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 P65Warnings.ca.gov. Quick Guide (pdf)- $36.94
$53.99- $36.94
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Vendor:Blue Sea Systems
Blue Sea 2017 Dual PowerPost Cable Connectors - 2 x 3/8" [2017]
- $28.41
$41.20- $28.41
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Dual PowerPost Connectors Designed for connecting high amp conductors Includes one black and one red insulator 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....- $28.41
$41.20- $28.41
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Vendor:Blue Sea Systems
Blue Sea 2002 PowerPost High Amperage Cable Connector 5/16" Stud [2002]
- $18.46
$25.57- $18.46
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2002 PowerPost High Amperage Cable Connector 5/16" Stud Insulated single stainless steel stud terminates multiple large conductors.Features: Connects high amperage cables securely Stud dimensions: 5/16" x 7/8" Base Material is PBT UL94 V0 WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which...- $18.46
$25.57- $18.46
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Vendor:Blue Sea Systems
Blue Sea 2105 MaxiBus 250AMP Common BusBars 12 x #10 Terminal Screws [2105]
- $96.63
$140.69- $96.63
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2105 MaxiBus 250AMP Common BusBars 12 x #10 Terminal ScrewsBusbars are used to consolidate multiple wires or feed multiple circuits.Features: Insert molded stainless steel studs eliminate need for securing nut and allow high torquing for excellent electrical contact Raised bus provides easy access to...- $96.63
$140.69- $96.63
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![Blue Sea PowerBar 1000 - 8 5/16" Terminal Studs w/Cover [1992]](http://www.dbmarinesupplies.com/cdn/shop/files/54615XL_533x.jpg?v=1682679700)
![Blue Sea 2719 Maxibus Cover f/2127 & 2128 [2719]](http://www.dbmarinesupplies.com/cdn/shop/files/42723XL_533x.jpg?v=1682658423)