Blue Sea Systems

Shop our Blue Sea Systems collection for premium marine electrical components trusted by boatbuilders and marine electricians worldwide. Blue Sea Systems is the standard for quality boat battery switches, circuit breakers, distribution panels, and electrical accessories, all meeting ABYC and ISO standards for safe marine electrical systems. Whether you're building a new electrical system or upgrading what you have, Blue Sea is the brand to build around. Browse our full Blue Sea collection at Go2marine.

383 products

Showing 73 - 96 of 383 products

Showing 73 - 96 of 383 products
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Cable Cap Dual Post 1/O Blk
Blue Sea Systems Cable Cap Dual Post 1/O BlkSKU: 567338
$2.15
Dual PowerPost Cable Connectors, 3/8" Studs, with Insulators
Blue Sea Systems Dual PowerPost Cable Connectors, 3/8" Studs, with InsulatorsSKU: 243481
$24.50
Blue Sea Systems, e-Series On/Off, 2 Position Battery Switch, 9003e
Blue Sea Systems Blue Sea Systems, e-Series On/Off, 2 Position Battery Switch, 9003eSKU: 93867
$44.13
Blue Sea Systems, m-Series Battery Selector Switch, 4 Position, BlackBlue Sea Systems, m-Series Battery Selector Switch, 4 Position, Black
Blue Sea Systems Blue Sea Systems, m-Series Battery Selector Switch, 4 Position, BlackSKU: 565238
$52.84
Blue Sea Systems, m-Series Battery Selector Switch, 4 Position, Red
Blue Sea Systems Blue Sea Systems, m-Series Battery Selector Switch, 4 Position, RedSKU: 239346
$39.83
Add-A-Battery Kit, Battery Bank Management Set, 120A
Blue Sea Systems Add-A-Battery Kit, Battery Bank Management Set, 120ASKU: 167731
$206.95
WeatherDeck Label Kit (60 Labels)
Blue Sea Systems WeatherDeck Label Kit (60 Labels)SKU: 238630
$18.92
Mini OLED DC Voltmeter
Blue Sea Systems Mini OLED DC VoltmeterSKU: 527288
$56.50
3AG Fuse Block System, 6 Circuit w/ Negative Bus, 5015
Blue Sea Systems 3AG Fuse Block System, 6 Circuit w/ Negative Bus, 5015SKU: 83277
$57.95
Class-T Fuse Block, 225-400 AmpsClass-T Fuse Block, 225-400 Amps
Blue Sea Systems Class-T Fuse Block, 225-400 AmpsSKU: 243837
$52.08
ANL Fuse Block, for 35 - 750 Amp ANL Fuses
Blue Sea Systems ANL Fuse Block, for 35 - 750 Amp ANL FusesSKU: 243836
$60.50
MEGA / AMG Fuse Block for 100 to 300 Amp Fuses, w/ Cover
Blue Sea Systems MEGA / AMG Fuse Block for 100 to 300 Amp Fuses, w/ CoverSKU: 21449
$33.95
AGA Fuse, 20 Amp, 5 per Pack
Blue Sea Systems AGA Fuse, 20 Amp, 5 per PackSKU: 330055
$4.71
In-Line Fuse Holder for ATO/ATC Fuses to 30 Amp
Blue Sea Systems In-Line Fuse Holder for ATO/ATC Fuses to 30 AmpSKU: 330021
$8.50
In-Line Waterproof Fuse Holder for AGC/MDL Fuses to 20 Amp
Blue Sea Systems In-Line Waterproof Fuse Holder for AGC/MDL Fuses to 20 AmpSKU: 330019
$21.24
Blue Sea Systems, Cover Connector Maxibus, Busbar, 2105 / 2126
Blue Sea Systems Blue Sea Systems, Cover Connector Maxibus, Busbar, 2105 / 2126SKU: 329993
$36.82
Blue Sea Systems, Busbar, 6 x #10 Terminal Screws
Blue Sea Systems Blue Sea Systems, Busbar, 6 x #10 Terminal ScrewsSKU: 329991
$40.90
Blue Sea Systems, Busbar, 4 x 5/16, 18 Stud Terminal
Blue Sea Systems Blue Sea Systems, Busbar, 4 x 5/16, 18 Stud TerminalSKU: 329990
$67.95
Blue Sea Systems, Busbar, 6 x 5/16-18 Stud Terminals
Blue Sea Systems Blue Sea Systems, Busbar, 6 x 5/16-18 Stud TerminalsSKU: 329989
$65.38
Busbar 150A Positive + Cover
Blue Sea Systems Busbar 150A Positive + CoverSKU: 238243
$29.17
MaxiBus 250 Amp BusBar, 2) 5/16"-18 Stud and 12) #10-24 Screw Connections
Blue Sea Systems MaxiBus 250 Amp BusBar, 2) 5/16"-18 Stud and 12) #10-24 Screw ConnectionsSKU: 231938
$81.50
Terminal Block, 20 Amp / 6 Circuits
Blue Sea Systems Terminal Block, 20 Amp / 6 CircuitsSKU: 230144
$8.75
DualBus Plus, 1/4" Stud, 5 x 10-32 Screw Terminal, 2722
Blue Sea Systems DualBus Plus, 1/4" Stud, 5 x 10-32 Screw Terminal, 2722SKU: 204463
$31.50
Blue Sea Dual 5/16" - 18 studs PowerPost with Insulators, p/n 2016
Blue Sea Systems Blue Sea Dual 5/16" - 18 studs PowerPost with Insulators, p/n 2016SKU: 243480
$24.50

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