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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- Featured
- Most relevant
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Vendor:Egis Mobile Electric
Egis RT Screw Terminal 12 Circuit Dual Lever Bus Bar [8030]
- £10.54
£16.79- £10.54
- Unit price
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RT Screw Terminal 12 Circuit Dual Lever Bus BarThis Egis bus bar seamlessly integrates with RT fuse blocks, can be used as a standalone ground bus, or can be assembled with an existing RT Series fuse block line. Also, this multi-level low-amp has terminal...- £10.54
£16.79- £10.54
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Vendor:Blue Sea Systems
Blue Sea 4009 CableCap - Black 0.47 to 0.13 Stud [4009]
- £3.00
£3.76- £3.00
- Unit price
- / per
C4009 CableCap - Black 0.47 to 0.13 StudFeatures: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...- £3.00
£3.76- £3.00
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Vendor:Blue Sea Systems
Blue Sea 9218 Terminal Block Jumpers f/2400 Series Blocks - *Package of 5* [9218]
- £3.00
£3.76- £3.00
- Unit price
- / per
9218 Terminal Block Jumpers for 2400 Series Blocks - Package of 5Features: Jumpers allow creation of common circuits on independent connectors Fits 20 AMP terminal blocks (2400 Series) WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the...- £3.00
£3.76- £3.00
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Vendor:Sea-Dog
Sea-Dog Buss Bar w/Cover - 6 Terminals [426692-3]
- £26.35
£41.38- £26.35
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Buss Bar with Cover - 6 TerminalsThis bus bar is designed for positive or negative DC distribution or collection of AC neutral or safety ground circuits. Constructed of corrosion-resistant tin-plated Copper and ABS with a polycarbonate cover.Features: Includes two 5/16"-18 stainless steel stud terminals...- £26.35
£41.38- £26.35
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Vendor:Newmar Power
Newmar BB-8 Bus Bar [BB-8]
- £118.22
£139.31- £118.22
- Unit price
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BB-8 Bus BarIdeal as a DC ground tie point or positive bus, this heavy-duty, 500-amp-rated bus bar assembly features 5/16 in. studs on 1 in. center in 1/4 in. thick copper bar for common connection or distribution of large wire gauges.Features: Accommodate 5/16" ring...- £118.22
£139.31- £118.22
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Vendor:Blue Sea Systems
Blue Sea PowerBar 1000 - 12 3/8" Terminal Studs w/Cover [1991]
- £146.08
£222.90- £146.08
- Unit price
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PowerBar 1000 - 12 3/8" 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...- £146.08
£222.90- £146.08
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 2019 PowerBar Common BusBar - Dual 3/8" x 16 [2019]
- £16.56
£23.34- £16.56
- Unit price
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PowerBar Common BusBarTerminal Studs: 2x3/8"-16Provides compact high-ampere busing with 3/8" terminal studsWARNING: 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...- £16.56
£23.34- £16.56
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Vendor:Blue Sea Systems
Blue Sea PowerBar 1000 - 12 5/16" Terminal Studs w/Cover [1993]
- £146.08
£222.90- £146.08
- Unit price
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PowerBar 1000 - 12 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...- £146.08
£222.90- £146.08
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 4005 Standard CableCap - Small Pair [4005]
- £4.51
£6.02- £4.51
- Unit price
- / per
4005 Standard CableCap - Small PairFeatures: Cable Size - 4, 2, 1 Pair - Red/Black Insulates battery terminals which have added adapter terminals For batteries with marine adapter terminals added on WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is...- £4.51
£6.02- £4.51
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Vendor:Blue Sea Systems
Blue Sea 4006 Standard CableCap - Large Pair [4006]
- £4.51
£6.02- £4.51
- Unit price
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4006 Standard CableCap - Large PairFeatures: Cable Size - 1/0, 2/0 Pair - Red/Black For batteries with marine adapter terminals added on 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,...- £4.51
£6.02- £4.51
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Vendor:Victron Energy
Victron Busbar 600A 4P Cover 4X 3/8" Plus 4X M8 Terminals [VBB160040010]
- £108.18
£127.27- £108.18
- Unit price
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Busbar 600A 4P & Cover 4X 3/8" Plus 4X M8 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...- £108.18
£127.27- £108.18
- Unit price
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Vendor:Victron Energy
Victron Busbar 150A 2P w/20 Screws Cover [VBB115022020]
- £23.68
£27.86- £23.68
- Unit price
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Busbar 150A 2P with 20 Screws & CoverBusbars 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...- £23.68
£27.86- £23.68
- Unit price
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Vendor:Victron Energy
Victron Busbar 600A 8P Cover 8X 3/8" Plus 8X M8 Terminals [VBB160080010]
- £167.70
£197.30- £167.70
- Unit price
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Busbar 600A 8P & Cover 8X 3/8" Plus 8X M8 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...- £167.70
£197.30- £167.70
- Unit price
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Vendor:Victron Energy
Victron Busbar 150A 6P Cover 6X 1/4" Terminals [VBB115060020]
- £23.04
£27.11- £23.04
- Unit price
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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...- £23.04
£27.11- £23.04
- Unit price
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Vendor:Victron Energy
Victron Busbar 250A 2P w/6 Screws Cover [VBB125020620]
- £35.85
£42.17- £35.85
- Unit price
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Busbar 250A 2P with 6 Screws & CoverBusbars 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...- £35.85
£42.17- £35.85
- Unit price
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Vendor:Victron Energy
Victron Busbar 250A 2P w/12 Screws Cover [VBB125021220]
- £41.61
£48.95- £41.61
- Unit price
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Busbar 250A 2P with 12 Screws & CoverBusbars 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...- £41.61
£48.95- £41.61
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea 4001 Rotating Single Entry CableCap - Small Pair [4001]
- £5.26
£7.52- £5.26
- Unit price
- / per
4001 Rotating Single Entry CableCap - Small Pair Features: Cable Size - All Pair - Red/Black Top rotates 360° to allow cable entry from any angle For batteries with integral marine wing nut posts WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp)...- £5.26
£7.52- £5.26
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 2101 PowerPost Plus Cable Connector - 1/4" Stud [2101]
- £18.07
£25.60- £18.07
- Unit price
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2101 PowerPost Plus Cable Connector - 1/4" StudEnables connection of multiple smaller wires in spaces where a traditional bus bar may not fit.Features: 150AMP bus allows small wire connections at high amperage cable connections Connects high amperage cables securely Stud dimensions: 1/4" x 1"...- £18.07
£25.60- £18.07
- Unit price
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![Blue Sea PowerBar 1000 - 12 3/8" Terminal Studs w/Cover [1991]](http://www.dbmarinesupplies.com/cdn/shop/files/54614XL_533x.jpg?v=1682679689)