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.

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WeatherDeck 12 Volt Waterproof Circuit Breaker Panel, 4 Position, GrayWeatherDeck 12 Volt Waterproof Circuit Breaker Panel, 4 Position, Gray
Blue Sea Systems WeatherDeck 12 Volt Waterproof Circuit Breaker Panel, 4 Position, Gray
$127.99
No reviews
AC / DC Distribution Panel, 120 Volt Main + 6 Positions / 12 Volt Main + 15 Positions, Analog Meters
Blue Sea Systems AC / DC Distribution Panel, 120 Volt Main + 6 Positions / 12 Volt Main + 15 Positions, Analog Meters
$1,146.99
1 review
Blue Sea, 7467, Ciruit Breaker, Raised Rocker, UL-489, 50A
Blue Sea Systems Blue Sea, 7467, Ciruit Breaker, Raised Rocker, UL-489, 50A
$95.50
No reviews
Blue Sea 0-150 Volt AC Voltmeter
Blue Sea Systems Blue Sea 0-150 Volt AC Voltmeter
$47.49
No reviews
Circuit Breaker Toggle Guard A-Series
Blue Sea Systems Circuit Breaker Toggle Guard A-Series
$5.07
No reviews
Blue Sea 4321 Water-Resistant Circuit Breaker Switch Panel, 4 Position w/12V Socket & Dual USB Charger
Blue Sea Systems Blue Sea 4321 Water-Resistant Circuit Breaker Switch Panel, 4 Position w/12V Socket & Dual USB Charger
$88.14
No reviews
Blue Sea 4322 Water-Resistant Circuit Breaker Switch Panel, 6 Position
Blue Sea Systems Blue Sea 4322 Water-Resistant Circuit Breaker Switch Panel, 6 Position
$67.10
No reviews
360 Panel Dual Bilge Pump Control
Blue Sea Systems 360 Panel Dual Bilge Pump Control
$269.58
No reviews
Blue Sea Systems, 360 Panel Plug, Flat Rocker Circuit Breaker
Blue Sea Systems Blue Sea Systems, 360 Panel Plug, Flat Rocker Circuit Breaker
$7.44
No reviews
Blue Sea Systems 100 Amps Mini Bus
Blue Sea Systems Blue Sea Systems 100 Amps Mini Bus
$18.95
No reviews
Blue Sea Systems m-Series Mini On/Off Battery Switch, 6006200, Black
Blue Sea Systems Blue Sea Systems m-Series Mini On/Off Battery Switch, 6006200, Black
$39.64
No reviews
Blue Sea ANL Fuse 200ABlue Sea ANL Fuse 200A
Blue Sea Systems Blue Sea ANL Fuse 200A
$30.50
No reviews
Blue Sea UL-489 Circuit Breaker C - 5A Flat Rocker
Blue Sea Systems Blue Sea UL-489 Circuit Breaker C - 5A Flat Rocker
$46.95
No reviews
ML Series Solenoid, 500 Amp, 24 Volt
Blue Sea Systems ML Series Solenoid, 500 Amp, 24 Volt
$218.73
No reviews
Blue Sea AC Ammeter with Coil
Blue Sea Systems Blue Sea AC Ammeter with Coil
From $75.49
No reviews
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Blue Seas M2 AC Ammeter
Blue Sea Systems Blue Seas M2 AC Ammeter
$352.95
No reviews
Blue Sea UL-489 Circuit Breaker
Blue Sea Systems Blue Sea UL-489 Circuit Breaker
From $84.56
No reviews
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Blue Sea Marine Grade Short Stop Circuit Breakers
Blue Sea Systems Blue Sea Marine Grade Short Stop Circuit Breakers
$14.78
No reviews
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Blue Sea Circuit Breaker Block
Blue Sea Systems Blue Sea Circuit Breaker Block
From $60.71
1 review
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Blue Sea DualBus 100 BusBar CoverBlue Sea DualBus 100 BusBar Cover
Blue Sea Systems Blue Sea DualBus 100 BusBar Cover
From $16.50
No reviews
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Blue Sea Dual Entry Cable CapBlue Sea Dual Entry Cable Cap
Blue Sea Systems Blue Sea Dual Entry Cable Cap
$10.75
No reviews
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UL-489 Circuit Breakers, 20A, 50A, 100A Flat Rocker
Blue Sea Systems UL-489 Circuit Breakers, 20A, 50A, 100A Flat Rocker
$46.75
No reviews
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Blue Sea Systems, Terminal Block Jumpers
Blue Sea Systems Blue Sea Systems, Terminal Block Jumpers
From $4.75
No reviews
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PowerPost Cable Connectors
Blue Sea Systems PowerPost Cable Connectors
From $15.95
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