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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Blue Sea Systems, ATO / ATC Fuses, 2 per Pack
Blue Sea Systems Blue Sea Systems, ATO / ATC Fuses, 2 per Pack
From $2.60
10 reviews
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AMI / MIDI Fuses, 30 to 200 Amps, 2 per Pack
Blue Sea Systems AMI / MIDI Fuses, 30 to 200 Amps, 2 per Pack
$8.64
No reviews
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Blue Sea Systems Push Button Reset Only Circuit Breaker, Quick Connect Terminals
Blue Sea Systems Blue Sea Systems Push Button Reset Only Circuit Breaker, Quick Connect Terminals
From $6.78
No reviews
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Push Button Reset Only Circuit Breakers, w/ Screw Terminals, 3 to 40 Amp
Blue Sea Systems Push Button Reset Only Circuit Breakers, w/ Screw Terminals, 3 to 40 Amp
From $9.56
1 review
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Blue Sea Systems, DC, Class T Fuses, 20,000 Amp Interrupt Capacity
Blue Sea Systems Blue Sea Systems, DC, Class T Fuses, 20,000 Amp Interrupt Capacity
From $65.50
No reviews
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A-Series Circuit Breaker Toggle Guard<br>4100
Blue Sea Systems A-Series Circuit Breaker Toggle Guard
4100
$3.77
2 reviews
Blue Sea Systems, MDL Fuses, 2 per Pack
Blue Sea Systems Blue Sea Systems, MDL Fuses, 2 per Pack
From $3.90
No reviews
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MRBF Terminal Fuses, 30 to 300 Amps
Blue Sea Systems MRBF Terminal Fuses, 30 to 300 Amps
From $15.60
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Blue Sea Systems, MEGA / AMG Fuses
Blue Sea Systems Blue Sea Systems, MEGA / AMG Fuses
From $11.50
No reviews
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Medium Duty Push Button Reset Only DC Circuit Breakers, 15 to 60 Amp
Blue Sea Systems Medium Duty Push Button Reset Only DC Circuit Breakers, 15 to 60 Amp
From $60.39
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Blue Sea Systems, ST Blade Fuse Block With Cover - 12 Circuit with Negative Bus
Blue Sea Systems Blue Sea Systems, ST Blade Fuse Block With Cover - 12 Circuit with Negative Bus
$60.80
No reviews
Blue Sea MAXI In-Line Fuse Holder
Blue Sea Systems Blue Sea MAXI In-Line Fuse Holder
$30.95
No reviews
Blue Sea Systems, Cover Connector Maxibus, Busbar, 2127 / 2128
Blue Sea Systems Blue Sea Systems, Cover Connector Maxibus, Busbar, 2127 / 2128
$28.78
1 review
12 Volt DC Plug with Dual Extension Sockets, 1013
Blue Sea Systems 12 Volt DC Plug with Dual Extension Sockets, 1013
$35.50
No reviews
Blue Sea DualBus 100A BusBar- 5 Circuit
Blue Sea Systems Blue Sea DualBus 100A BusBar- 5 Circuit
From $15.25
No reviews
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Blue Sea Systems, Terminal Block, 30 Amp, 600 Volt, 2 - 12 Circuit, BusBar
Blue Sea Systems Blue Sea Systems, Terminal Block, 30 Amp, 600 Volt, 2 - 12 Circuit, BusBar
From $6.74
No reviews
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Indicator Lights, LED, Choice of Colors
Blue Sea Systems Indicator Lights, LED, Choice of Colors
From $3.96
1 review
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Terminal Blocks, 65 Amp, 2 to 10 Circuits
Blue Sea Systems Terminal Blocks, 65 Amp, 2 to 10 Circuits
From $11.67
No reviews
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AC/DC A-Series Double Pole Circuit Breakers, Black or White Toggle
Blue Sea Systems AC/DC A-Series Double Pole Circuit Breakers, Black or White Toggle
From $53.95
No reviews
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AC/DC A-Series Single Pole Circuit Breakers, Toggle
Blue Sea Systems AC/DC A-Series Single Pole Circuit Breakers, Toggle
From $21.42
1 review
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AC/DC C-Series Single Pole Circuit Breakers, Flat Rocker
Blue Sea Systems AC/DC C-Series Single Pole Circuit Breakers, Flat Rocker
From $50.14
No reviews
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285-Series DC Circuit Breakers, Panel Mount
Blue Sea Systems 285-Series DC Circuit Breakers, Panel Mount
From $65.57
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Blue Sea Systems, MAXI Fuses, Large Blade Fuse
Blue Sea Systems Blue Sea Systems, MAXI Fuses, Large Blade Fuse
From $6.75
No reviews
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AC/DC A-Series Single Pole Circuit Breakers, Flat Rocker
Blue Sea Systems AC/DC A-Series Single Pole Circuit Breakers, Flat Rocker
$30.07
No reviews
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