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 1 - 24 of 383 products

Showing 1 - 24 of 383 products
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Blue Sea Systems, ATO / ATC Fuses, 2 per Pack
Blue Sea Systems Blue Sea Systems, ATO / ATC Fuses, 2 per PackSKU: 531209-1AMP
From $3.20
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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 PackSKU: 531226-30AMPS
From $8.64
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MRBF Terminal Fuses, 30 to 300 Amps
Blue Sea Systems MRBF Terminal Fuses, 30 to 300 AmpsSKU: 531223-30AMPS
From $18.50
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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 CapacitySKU: 531219-110AMPS
From $65.50
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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 AmpSKU: 531233-3AMPS
From $9.56
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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 TerminalsSKU: 531263-3AMPS
From $7.25
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WeatherDeck Toggle Switches, Various Actions
Blue Sea Systems WeatherDeck Toggle Switches, Various ActionsSKU: 531416-SPST-Off/On
From $12.70
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Indicator Lights, LED, Choice of Colors
Blue Sea Systems Indicator Lights, LED, Choice of ColorsSKU: 531394-RED-120Volt
From $3.96
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A-Series Circuit Breaker Toggle Guard<br>4100
Blue Sea Systems A-Series Circuit Breaker Toggle Guard
4100SKU: 115673
$3.77
SafetyHub 100 Fuse Block Only, Bulk - 7725B (no plug)SafetyHub 100 Fuse Block Only, Bulk - 7725B (no plug)
Blue Sea Systems SafetyHub 100 Fuse Block Only, Bulk - 7725B (no plug)SKU: 245321
$124.95
12 Volt DC Plug with Dual Extension Sockets, 1013
Blue Sea Systems 12 Volt DC Plug with Dual Extension Sockets, 1013SKU: 245299
$35.50
AC/DC A-Series Single Pole Circuit Breakers, Toggle
Blue Sea Systems AC/DC A-Series Single Pole Circuit Breakers, ToggleSKU: 531268-5AMPS-WHT
From $21.42
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285-Series DC Circuit Breakers, Panel Mount
Blue Sea Systems 285-Series DC Circuit Breakers, Panel MountSKU: 531229-40AMPS
From $65.57
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Blue Sea Systems, MDL Fuses, 2 per Pack
Blue Sea Systems Blue Sea Systems, MDL Fuses, 2 per PackSKU: 531225-3AMPS
From $3.90
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Blue Sea Panel Mount AGC/MDL Fuse Holder with Knurled Cap
Blue Sea Systems Blue Sea Panel Mount AGC/MDL Fuse Holder with Knurled CapSKU: 238762
$7.75
Blue Sea Systems, 360 Panel Plug, Flat Rocker Circuit Breaker
Blue Sea Systems Blue Sea Systems, 360 Panel Plug, Flat Rocker Circuit BreakerSKU: 330003
$7.33
Blue Sea 6006 Battery Switch Mini On/Off w/Knob, Red
Blue Sea Systems Blue Sea 6006 Battery Switch Mini On/Off w/Knob, RedSKU: 562007
$32.95
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, BusBarSKU: 531397-2Terminals
From $6.74
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Blue Sea Systems 285-Series DC Circuit Breaker, Surface Mount
Blue Sea Systems Blue Sea Systems 285-Series DC Circuit Breaker, Surface MountSKU: 531230-25AMPS
From $65.57
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MRBF Terminal Fuse Block - 30 to 300AMRBF Terminal Fuse Block - 30 to 300A
Blue Sea Systems MRBF Terminal Fuse Block - 30 to 300ASKU: 242507
$31.50
Blue Sea Systems, Cover Connector Maxibus, Busbar, 2127 / 2128
Blue Sea Systems Blue Sea Systems, Cover Connector Maxibus, Busbar, 2127 / 2128SKU: 329994
$28.78
Blue Sea HD-Series Heavy Duty Selector Battery SwitchBlue Sea HD-Series Heavy Duty Selector Battery Switch
Blue Sea Systems Blue Sea HD-Series Heavy Duty Selector Battery SwitchSKU: 543663-500 Amps-Alt-Fld Disc
From $107.38
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Blue Sea Common 100A Mini Grounding BusBar- 6 Gang
Blue Sea Systems Blue Sea Common 100A Mini Grounding BusBar- 6 GangSKU: 542805-Card
From $6.95
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Blue Sea Systems, MEGA / AMG Fuses
Blue Sea Systems Blue Sea Systems, MEGA / AMG FusesSKU: 531218-100AMPS
From $11.50
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