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, m-Series Mini Battery Switch, Dual Circuit Plus, 6011, Red
Blue Sea Systems Blue Sea Systems, m-Series Mini Battery Switch, Dual Circuit Plus, 6011, Red
$54.26
No reviews
Blue Sea, 5511e, e-Series, Dual Circuit Plus, Battery Switch
Blue Sea Systems Blue Sea, 5511e, e-Series, Dual Circuit Plus, Battery Switch
$66.95
No reviews
Blue Sea ML Series Automatic Charging Relay with Remote Control, p/n 7620
Blue Sea Systems Blue Sea ML Series Automatic Charging Relay with Remote Control, p/n 7620
$285.95
No reviews
m-Series Automatic Charging Relay, 12/24 Volt DC, 65 Amp
Blue Sea Systems m-Series Automatic Charging Relay, 12/24 Volt DC, 65 Amp
$100.95
No reviews
WeatherDeck Label Kit (30 Labels)
Blue Sea Systems WeatherDeck Label Kit (30 Labels)
$16.76
No reviews
Lockout Slide For A & B BreakersLockout Slide For A & B Breakers
Blue Sea Systems Lockout Slide For A & B Breakers
$16.58
No reviews
V Series Actuator Removal Tool
Blue Sea Systems V Series Actuator Removal Tool
$5.99
No reviews
Lockout Slide 2 Pos 3 Pole C Series
Blue Sea Systems Lockout Slide 2 Pos 3 Pole C Series
$35.21
No reviews
Contura Water Resistant DPDT Switch, (ON)-OFF-(ON), Gray
Blue Sea Systems Contura Water Resistant DPDT Switch, (ON)-OFF-(ON), Gray
$33.63
No reviews
Contura Water Resistant DPDT LED Lit Switch, ON-OFF-ON, Gray
Blue Sea Systems Contura Water Resistant DPDT LED Lit Switch, ON-OFF-ON, Gray
$29.94
No reviews
Contura Water Resistant DPST LED lit Switch, OFF-ON, Gray
Blue Sea Systems Contura Water Resistant DPST LED lit Switch, OFF-ON, Gray
$26.23
No reviews
Contura Water Resistant SPDT Switch, (ON)-OFF-(ON), Gray
Blue Sea Systems Contura Water Resistant SPDT Switch, (ON)-OFF-(ON), Gray
$29.99
No reviews
Contura Water Resistant SPDT LED lit Switch, (ON)-OFF-ON, GrayContura Water Resistant SPDT LED lit Switch, (ON)-OFF-ON, Gray
Blue Sea Systems Contura Water Resistant SPDT LED lit Switch, (ON)-OFF-ON, Gray
$26.23
No reviews
Contura Water Resistant SPDT LED Lit Switch, ON-OFF-ON, Gray
Blue Sea Systems Contura Water Resistant SPDT LED Lit Switch, ON-OFF-ON, Gray
$28.95
No reviews
Contura Water Resistant SPST Switch, OFF-(ON), Gray
Blue Sea Systems Contura Water Resistant SPST Switch, OFF-(ON), Gray
$20.23
No reviews
Contura Water Resistant SPST LED lit Switch, OFF-ON, Gray
Blue Sea Systems Contura Water Resistant SPST LED lit Switch, OFF-ON, Gray
$17.64
No reviews
Contura Water Resistant SPDT LED Lit Switch, ON-OFF-ON, Black
Blue Sea Systems Contura Water Resistant SPDT LED Lit Switch, ON-OFF-ON, Black
$19.75
No reviews
Contura Water Resistant DPDT Switch, (ON)-OFF-(ON), Black
Blue Sea Systems Contura Water Resistant DPDT Switch, (ON)-OFF-(ON), Black
$33.13
No reviews
Contura Water Resistant DPDT LED lit Switch, (ON)-OFF-ON, Black
Blue Sea Systems Contura Water Resistant DPDT LED lit Switch, (ON)-OFF-ON, Black
$27.77
No reviews
Contura Water Resistant DPDT LED Lit Switch, ON-OFF-ON, Black
Blue Sea Systems Contura Water Resistant DPDT LED Lit Switch, ON-OFF-ON, Black
$23.81
No reviews
Contura Water Resistant SPDT Switch, (ON)-OFF-(ON), Black
Blue Sea Systems Contura Water Resistant SPDT Switch, (ON)-OFF-(ON), Black
$21.50
No reviews
Contura Water Resistant SPST Switch, OFF-(ON), Black
Blue Sea Systems Contura Water Resistant SPST Switch, OFF-(ON), Black
$16.81
No reviews
Contura Water Resistant DPST LED lit Switch, OFF-ON, Black
Blue Sea Systems Contura Water Resistant DPST LED lit Switch, OFF-ON, Black
$21.48
No reviews
12 Volt DC Plug with Single Extension Socket, 1012<br>
Blue Sea Systems 12 Volt DC Plug with Single Extension Socket, 1012
$32.05
No reviews

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