Blue Sea Systems is committed to the improvement of marine electrical products and systems, such as panel systems, circuit breakers, connectors, and insulators. Blue Sea wants to satisfy their distributors, dealers and ultimately the retail customer by designing and manufacturing electrical products engineered to withstand the harsh marine environment.
Phone: 360.738.8230
Web: www.bluesea.com
We offer flat rate shipping and can help you locate hard to find items or we can recommend alternatives.
Call us today at 1-414-254-1559 for personalized service and help locating / replacing hard to find marine electrical equipment.
![Blue Sea 4155 WeatherDeck Toggle Switch [4155]](http://cemarine.com/cdn/shop/products/20409XL_512x512.jpg?v=1547865420)
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4155WeatherDeck Toggle Switch Pole/Throw DPDT Action ON-OFF-ON Specially manufactured by Carling Technologies for use in Blue Sea Systems' We...
View full details![Blue Sea 4154 WeatherDeck Toggle Switch (on)-off-(on) [4154]](http://cemarine.com/cdn/shop/products/20408XL_512x512.jpg?v=1547865413)
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4154WeatherDeck Toggle Switch Pole/Throw SPDT Action (ON)-OFF-(ON) Specially manufactured by Carling Technologies for use in Blue Sea Systems...
View full details![Blue Sea 4153 WeatherDeck Toggle Switch [4153]](http://cemarine.com/cdn/shop/products/20407XL_512x512.jpg?v=1547865406)
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4153WeatherDeck Toggle Switch Boot Pole/Throw SPDT Action (ON)-OFF-ON Specially manufactured by Carling Technologies for use in Blue Sea Syst...
View full details![Blue Sea 4152 WeatherDeck Toggle Switch [4152]](http://cemarine.com/cdn/shop/products/20406XL_512x512.jpg?v=1547865399)
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4152WeatherDeck Toggle Switch Pole/Throw SPDT Action ON-OFF-ON Specially manufactured by Carling Technologies for use in Blue Sea Systems' W...
View full details![Blue Sea 4151 WeatherDeck Toggle Switches [4151]](http://cemarine.com/cdn/shop/products/20405XL_512x512.jpg?v=1547865392)
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4151WeatherDeck Toggle Switch Pole/Throw SPST Action OFF-(ON) Momentary Specially manufactured by Carling Technologies for use in Blue Sea ...
View full details![Blue Sea 4150 WeatherDeck Toggle Switches [4150]](http://cemarine.com/cdn/shop/products/20404XL_512x512.jpg?v=1547865385)
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4150WeatherDeck Toggle Switch Pole/Throw SPST Action OFF-ON Specially manufactured by Carling Technologies for use in Blue Sea Systems' Weat...
View full details![Blue Sea 4138 WeatherDeck Toggle Switch Boot - Black [4138]](http://cemarine.com/cdn/shop/products/20402XL_512x512.jpg?v=1547865378)
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4138 WeatherDeck® Toggle Switch Boot - BlackFeatures: Replaces dress nut for mounting on WeatherDeck™ Panel Switches Rated IP67-temporary immersio...
View full details![Blue Sea 4137 Push Button Reset Only Circuit Breaker Boot - Black [4137]](http://cemarine.com/cdn/shop/products/20401XL_512x512.jpg?v=1547865371)
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4137 Push Button Reset Only Circuit Breaker Boot - BlackFeatures: Replaces standard mounting nut for mounting on Thermal Push Button Circuit Break...
View full details![Blue Sea 4136 Push Button Reset Only Circuit Breaker Boot - White - 2-Pack [4136]](http://cemarine.com/cdn/shop/products/20400XL_512x512.jpg?v=1547865363)
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4136 Push Button Reset Only Circuit Breaker Boot - White - 2-Pack Features: Replaces standard mounting nut for mounting on Thermal Push Button Cir...
View full details![Blue Sea 4135 Push Button Reset Only Circuit Breaker Boot - Clear- 2-Pack [4135]](http://cemarine.com/cdn/shop/products/20399XL_512x512.jpg?v=1547865357)
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Clear Push Button Circuit Breaker Boot - 2-PackFeatures: Replaces standard mounting nut for mounting on Thermal Push Button Circuit Breakers only ...
View full details![Blue Sea 4131 Lockout Slide 2 Position 3 Pole C-Series [4131]](http://cemarine.com/cdn/shop/products/20398XL_512x512.jpg?v=1547865349)
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4131 Lockout Slide 2 Position 3 Pole C-SeriesFeatures: Allows only 1 of a pair of double pole or triple pole AC circuit breakers to be activated a...
View full details![Blue Sea 4130 Lockout Slide 2 Position 2 Pole C-Series [4130]](http://cemarine.com/cdn/shop/products/20397XL_512x512.jpg?v=1547865343)
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4130 Lockout Slide 2 Position 2 Pole C-SeriesFeatures: Allows only 1 of a pair of double pole or triple pole AC circuit breakers to be activated a...
View full details![Blue Sea 4126 AC A-Series Circuit Breaker Lockout Slide [4126]](http://cemarine.com/cdn/shop/products/14567XL_512x512.jpg?v=1547862486)
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4126 AC A-Series Circuit Breaker Lockout SlideFeatures: Allows only 1 double pole AC circuit breaker to be activated at a time Guarantees that AC ...
View full details![Blue Sea 4125 AC A-Series Circuit Breaker Lockout Slide [4125]](http://cemarine.com/cdn/shop/products/13876XL_512x512.jpg?v=1547861799)
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4125 AC A-Series Circuit Breaker Lockout Slide Features: Allows only 1 double pole AC circuit breaker to be activated at a time Guarantees that AC...
View full details![Blue Sea 4111 360 Panel Adapter for Push Button Reset Only [4111]](http://cemarine.com/cdn/shop/products/20396XL_512x512.jpg?v=1547865335)
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4111 360 Panel Adapter for Push Button Reset OnlyFeatures:Adapts Push Button Reset-Only Thermal Circuit Breaker to Blue Sea Systems' rocker panels...
View full details![Blue Sea 4100 Toggle Guard [4100]](http://cemarine.com/cdn/shop/products/14566XL_512x512.jpg?v=1547862480)
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4100 Toggle GuardFeatures: Protects circuit breakers from being accidentally switched ON or OFF Fits all A-Series single pole circuit breakers Fit...
View full details![Blue Sea 4029 AC Isolation Cover - 8 Position, 1 Column [4029]](http://cemarine.com/cdn/shop/products/20393XL_512x512.jpg?v=1547865321)
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4029 AC Isolation Cover - 8 Position, 1 ColumnFeatures: Provides electrical insulation for exposed panel backs Provides mechanical protection for ...
View full details![Blue Sea 4028 AC Isolation Cover - 7-1/2 x 10-1/2x3 [4028]](http://cemarine.com/cdn/shop/products/20392XL_512x512.jpg?v=1547865314)
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4028 AC Isolation Cover - 7-1/2 x 10-1/2x3Features: Provides electrical insulation for exposed panel backs Provides mechanical protection for pane...
View full details![Blue Sea 4027 AC Isolation Cover - 5-1/4 x 7-1/2x3 [4027]](http://cemarine.com/cdn/shop/products/20391XL_512x512.jpg?v=1547865307)
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4027 AC Isolation Cover - 5-1/4 x 7-1/2x3Features: Provides electrical insulation for exposed panel backs Provides mechanical protection for panel...
View full details![Blue Sea 4026 AC Isolation Cover - 5-1/4 x 3-3/4 x 3 [4026]](http://cemarine.com/cdn/shop/products/20390XL_512x512.jpg?v=1547865300)
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4026 AC Isolation Cover - 5-1/4 x 3-3/4 x 3Features: Provides electrical insulation for exposed panel backs Provides mechanical protection for pan...
View full details![Blue Sea 4018 Square CableCap Insulators Pair Red/Black [4018]](http://cemarine.com/cdn/shop/products/40580XL_512x512.jpg?v=1547890962)
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Square CableCap Insulators Pair Red/BlackSquare CableCap insulators - Cable size 1/0Pair: 1 Red/1 BlackWARNING: This product can expose you to che...
View full details![Blue Sea 4017 Straight Terminal CableCap - Large [4017]](http://cemarine.com/cdn/shop/products/20389XL_512x512.jpg?v=1547865293)
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4017 Straight Terminal CableCap - LargeInsulates battery terminals which have standard automotive posts.Features:Designed to fit standard automoti...
View full details![Blue Sea 4016 Straight Terminal CableCap - Small [4016]](http://cemarine.com/cdn/shop/products/20388XL_512x512.jpg?v=1547865286)
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4016 Straight Terminal CableCap - SmallInsulates battery terminals which have standard automotive posts.Features:Designed to fit standard automoti...
View full details![Blue Sea 4015 CableCap - Black 1.25 to 0.70 [4015]](http://cemarine.com/cdn/shop/products/20387XL_512x512.jpg?v=1547865279)
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CableCap - Black 1.25 to 0.70Features:Insulate stud type connectors on alternators, starters, windlasses and other high amperage devicesWARNING: T...
View full details![Blue Sea 4014 CableCap - Red 1.25 to 0.70 [4014]](http://cemarine.com/cdn/shop/products/20386XL_512x512.jpg?v=1547865272)
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4014 CableCap - Red 1.25 to 0.70Features:Insulate stud type connectors on alternators, starters, windlasses and other high amperage devicesWARNING...
View full details![Blue Sea 4013 CableCap - Black 0.50 Stud [4013]](http://cemarine.com/cdn/shop/products/20385XL_512x512.jpg?v=1547865265)
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4013 CableCap - Black 0.50 StudFeatures:Insulate stud type connectors on alternators, starters, windlasses and other high amperage devicesWARNING:...
View full details![Blue Sea 4012 CableCap - Red 0.50 Stud [4012]](http://cemarine.com/cdn/shop/products/20384XL_512x512.jpg?v=1547865258)
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4012 CableCap - Red 0.50 StudFeatures:Insulate stud type connectors on alternators, starters, windlasses and other high amperage devicesWARNING: T...
View full details![Blue Sea 4011 CableCap - Black 0.70 to 0.30 Stud [4011]](http://cemarine.com/cdn/shop/products/20383XL_512x512.jpg?v=1547865251)
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4011 CableCap - Black 0.70 to 0.30 StudFeatures:Insulate stud type connectors on alternators, starters, windlasses and other high amperage devices...
View full details![Blue Sea 4010 CableCap - Red 0.70 to 0.30 Stud [4010]](http://cemarine.com/cdn/shop/products/20382XL_512x512.jpg?v=1547865244)
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4010 CableCap - Red 0.70 to 0.30 StudFeatures:Insulate stud type connectors on alternators, starters, windlasses and other high amperage devicesWA...
View full details![Blue Sea 4009 CableCap - Black 0.47 to 0.13 Stud [4009]](http://cemarine.com/cdn/shop/products/20381XL_512x512.jpg?v=1547865235)
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C4009 CableCap - Black 0.47 to 0.13 StudFeatures:Insulate stud type connectors on alternators, starters, windlasses and other high amperage device...
View full details![Blue Sea 4008 CableCap - Red 0.47 to 0.13 Stud [4008]](http://cemarine.com/cdn/shop/products/20380XL_512x512.jpg?v=1547865228)
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4008 CableCap - Red 0.47 to 0.13 StudFeatures:Insulate stud type connectors on alternators, starters, windlasses and other high amperage devicesWA...
View full details![Blue Sea 4006 Standard CableCap - Large Pair [4006]](http://cemarine.com/cdn/shop/products/20379XL_512x512.jpg?v=1547865221)
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4006 Standard CableCap - Large PairFeatures: Cable Size - 1/0, 2/0 Pair - Red/Black For batteries with marine adapter terminals added on WARNING: ...
View full details![Blue Sea 4005 Standard CableCap - Small Pair [4005]](http://cemarine.com/cdn/shop/products/20378XL_512x512.jpg?v=1547865214)
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4005 Standard CableCap - Small PairFeatures: Cable Size - 4, 2, 1 Pair - Red/Black Insulates battery terminals which have added adapter terminals ...
View full details![Blue Sea 4003 Cable Cap Dual Entry - Red [4003]](http://cemarine.com/cdn/shop/products/42728XL_512x512.jpg?v=1547894364)
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Dual Entry PowerPost Cable Insulator, RedPart# 4003 Protects against accidental short circuits Top lid allows for easy access to connection point...
View full details![Blue Sea 4002 Cable Cap Dual Entry - Black [4002]](http://cemarine.com/cdn/shop/products/42727XL_512x512.jpg?v=1547894357)
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Dual Entry PowerPost Cable Insulator, BlackPart# 4002 Protects against accidental short circuits Top lid allows for easy access to connection poi...
View full details![Blue Sea 4001 Rotating Single Entry CableCap - Small Pair [4001]](http://cemarine.com/cdn/shop/products/20377XL_512x512.jpg?v=1547865207)
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4001 Rotating Single Entry CableCap - Small Pair Features: Cable Size - All Pair - Red/Black Top rotates 360° to allow cable entry from any angle ...
View full details![Blue Sea 3566 AC Toggle Source Selector (230V) - 2 Sources + 9 Positions [8566]](http://cemarine.com/cdn/shop/products/20888XL_512x512.jpg?v=1547867790)
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AC Toggle Source Selector (European)PN: 8566White Switches(2) 16A Double Pole Circuit Breakers Installed(6) 8A Single Pole Circuit Breakers Instal...
View full details![Blue Sea 3131 Surface Mount Circuit Breaker Enclosure [3131]](http://cemarine.com/cdn/shop/products/67218XL_512x512.jpg?v=1576632710)
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3131 Surface Mount Circuit Breaker EnclosureSurface mount option for mounting single and double pole circuit breakers Surface mount box for mounti...
View full details![Blue Sea 3125 Medium Cable Gland - #14-#10 Cable [3125]](http://cemarine.com/cdn/shop/products/64483XL_512x512.jpg?v=1576632118)
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Medium Cable Gland - #14-#10 CableSMS Enclosure Gland PG16Accepts Cable #14-10 (3 Conductor)WARNING: This product can expose you to chemicals incl...
View full details![Blue Sea 3118 - SMS Panel Enclosure w/ELCI (50A) and 2 Blanks - 120V AC [3118]](http://cemarine.com/cdn/shop/products/65549XL_512x512.jpg?v=1576632372)
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3118 - SMS Panel Enclosure with ELCI (50A) and 2 Blanks - 120V ACThe 3118 panel enclosure is built for Equipment Leakage Circuit Interrupters (EL...
View full details![Blue Sea 3117 - SMS Panel Enclosure w/2 ELCI (30A) - 120V AC [3117]](http://cemarine.com/cdn/shop/products/64686XL_512x512.jpg?v=1576632150)
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3117 - SMS Panel Enclosure with 2 ELCI (30A) - 120V ACThe 3117 panel enclosure is built for Equipment Leakage Circuit Interrupters (ELCI) main cir...
View full details![Blue Sea 3116 - SMS Panel Enclosure w/ELCI (30A) and 3 Blanks - 120V [3116]](http://cemarine.com/cdn/shop/products/65548XL_512x512.jpg?v=1576632371)
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3116 - SMS Panel Enclosure with ELCI (30A) and 3 Blanks - 120VThe 3116 panel enclosure is built for Equipment Leakage Circuit Interrupters (ELCI) ...
View full details![Blue Sea 6010200 Battery Switch Dual Circuit - Black [6010200]](http://cemarine.com/cdn/shop/products/49218XL_512x512.jpg?v=1547908077)
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m-Series Mini Dual Circuit Battery Switch - BlackSimultaneously switches two isolated battery banks.Switch Type: tDual CircuitColor:tBlackSwitch P...
View full details![Blue Sea 3003 HD-Series Battery Switch Selector w/Alternator Field Disconnect [3003]](http://cemarine.com/cdn/shop/products/20234XL_512x512.jpg?v=1547865200)
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3003 HD-Series Battery Switch Selector with Alternator Field Disconnect Features: 500 Ampere Continuous Rating Accepts 4/0 battery cables Ignition...
View full details![Blue Sea 3002 HD-Series Battery Switch Selector [3002]](http://cemarine.com/cdn/shop/products/20233XL_512x512.jpg?v=1547865193)
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3002 HD-Series Battery Switch SelectorFeatures: 500 Ampere Continuous Rating Accepts 4/0 battery cables Ignition protected - safe for installation...
View full details![Blue Sea 3001 HD-Series Battery Switch Single Circuit ON/OFF w/AFD [3001]](http://cemarine.com/cdn/shop/products/20232XL_512x512.jpg?v=1547865186)
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3001 HD-Series Battery Switch Single Circuit ON/OFF with AFDFeatures: 600 Ampere Continuous Rating Accepts two 4/0 battery cables per terminal Ign...
View full details![Blue Sea 3000 HD-Series Battery Switch Single Circuit ON/OFF [3000]](http://cemarine.com/cdn/shop/products/20231XL_512x512.jpg?v=1547865179)
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HD-Series Battery Switch Single Circuit ON/OFFFeatures: 600 Ampere Continuous Rating Accepts two 4/0 battery cables per terminal Ignition protecte...
View full details![Blue Sea 2723 DualBus Plus 5/16" Stud - 5 x 10 - 32 Screw Terminal [2723]](http://cemarine.com/cdn/shop/products/16509XL_512x512.jpg?v=1547863642)
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2723 DualBus Plus 5/16" Stud - 5 x 10 - 32 Screw TerminalFeatures: Combines negative and positive buses on one block Clear polycarbonate cover sna...
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