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 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 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 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...
View full details![Blue Sea 2722 DualBus Plus 1/4" Stud, 5 x 10-32 Screw Terminal [2722]](http://cemarine.com/cdn/shop/products/20224XL_512x512.jpg?v=1547865171)
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2722 DualBus Plus 1/4" Stud, 5 x 10-32 Screw TerminalFeatures: Combines negative and positive buses on one block Clear polycarbonate cover snaps o...
View full details![Blue Sea 2719 Maxibus Cover f/2127 & 2128 [2719]](http://cemarine.com/cdn/shop/products/42723XL_512x512.jpg?v=1547894351)
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Maxibus CoverPart# 2719Cover for 2127 & 2128WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which...
View full details![Blue Sea 2718 Maxibus Cover f/2105 & 2106 [2718]](http://cemarine.com/cdn/shop/products/42738XL_512x512.jpg?v=1547894392)
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Maxibus CoverPart# 2718Cover for 2105 & 2106WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which...
View full details![Blue Sea 2716 Cover f/BusBar 2302 [2716]](http://cemarine.com/cdn/shop/products/28555XL_512x512.jpg?v=1547869646)
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Cover for Busbar The industry standard busbar for positive distribution The industry standard busbar for the collection of negative or AC ground ...
View full details![Blue Sea 2715 Cover f/BusBar 2301 2303 [2715]](http://cemarine.com/cdn/shop/products/20222XL_512x512.jpg?v=1547865165)
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2715 Cover for BusBar 2301 & 2303Features:Weight: 0.08lb (0.04 kg)WARNING: This product can expose you to chemicals including di(2-ethylhexyl)...
View full details![Blue Sea 2713 Minibus Cover [2713]](http://cemarine.com/cdn/shop/products/30917XL_512x512.jpg?v=1547873000)
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Cover for 2304 and 2305Great for limited space applicationsBase Material: Reinforced PolycarbonateCover Material: Clear PolycarbonateContinuous ...
View full details![Blue Sea 2710 Cover f/DualBus 2702 [2710]](http://cemarine.com/cdn/shop/products/13943XL_512x512.jpg?v=1547861914)
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2710 Cover for DualBus 2702Specifications: Length: 6-3/8" Height: 7/8" Width: 2-3/8" Weight: 0.04lb WARNING: This product can expose you to chemic...
View full details![Blue Sea 2709 Cover f/DualBus 2701 [2709]](http://cemarine.com/cdn/shop/products/13942XL_512x512.jpg?v=1547861907)
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2709 Cover For DualBus for 2701Specifications: Length: 4-3/16" Height: 7/8" Width: 2-1/2" Weight: 0.03lb WARNING: This product can expose you to c...
View full details![Blue Sea 2708 BusBar Cover f/PowerBar 2104 [2708]](http://cemarine.com/cdn/shop/products/13954XL_512x512.jpg?v=1547861977)
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2708 BusBar Cover for PowerBar 2104Specifications:Dimensions: 8.500" x 3.375" x 2.750"WARNING: This product can expose you to chemicals including ...
View full details![Blue Sea 2702 DualBus 100AMP Common BusBar 10 x 8-32 Screw Terminal [2702]](http://cemarine.com/cdn/shop/products/14125XL_512x512.jpg?v=1547862251)
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2702 DualBus 100AMP Common BusBar 10 x 8-32 Screw TerminalFeatures: Combines negative and positive buses on one block Tin-Plated Copper CDA 110 / ...
View full details![Blue Sea 2701 DualBus 100 Ampere Common BusBars 5 x 8-32 Screw Terminal [2701]](http://cemarine.com/cdn/shop/products/13941XL_512x512.jpg?v=1547861900)
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2701 DualBus 100 Ampere Common BusBars 5 x 8-32 Screw TerminalFeatures:Combines negative and positive buses on one blockWARNING: This product can ...
View full details![Blue Sea 2610 Terminal Block 65AMP - 10 Circuit [2610]](http://cemarine.com/cdn/shop/products/14590XL_512x512.jpg?v=1547862628)
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2610 Terminal Block 65AMP - 10 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isola...
View full details![Blue Sea 2608 Terminal Block 65AMP - 8 Circuit [2608]](http://cemarine.com/cdn/shop/products/14589XL_512x512.jpg?v=1547862621)
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2608 Terminal Block 65AMP - 8 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolat...
View full details![Blue Sea 2606 Terminal Black 65AMP - 6 Circuit [2606]](http://cemarine.com/cdn/shop/products/20220XL_512x512.jpg?v=1547865158)
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Terminal Block 65AMP - 6 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated ci...
View full details![Blue Sea 2604 Terminal Block 65AMP - 4 Circuit [2604]](http://cemarine.com/cdn/shop/products/14588XL_512x512.jpg?v=1547862614)
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2604 Terminal Block 65AMP - 4 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolat...
View full details![Blue Sea 2602 Terminal Block 65AMP - 2 Circuit [2602]](http://cemarine.com/cdn/shop/products/14587XL_512x512.jpg?v=1547862606)
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2602 Terminal Block 65AMP - 2 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolat...
View full details![Blue Sea 2512 Terminal Block 30AMP - 12 Circuit [2512]](http://cemarine.com/cdn/shop/products/13958XL_512x512.jpg?v=1547862006)
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2512 Terminal Block 30AMP - 12 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isola...
View full details![Blue Sea 2510 Terminal Block 30AMP - 10 Circuit [2510]](http://cemarine.com/cdn/shop/products/13957XL_512x512.jpg?v=1547861999)
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2510 Terminal Block 30AMP - 10 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isola...
View full details![Blue Sea 2508 Terminal Block 30AMP - 8 Circuit [2508]](http://cemarine.com/cdn/shop/products/13956XL_512x512.jpg?v=1547861992)
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2508 Terminal Block 30AMP - 8 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolat...
View full details![Blue Sea 2506 Terminal Block 30AMP - 6 Circuit [2506]](http://cemarine.com/cdn/shop/products/13955XL_512x512.jpg?v=1547861984)
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2506 Terminal Block 30AMP - 6 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolat...
View full details![Blue Sea 2504 Terminal Block 30AMP - 4 Circuit [2504]](http://cemarine.com/cdn/shop/products/14586XL_512x512.jpg?v=1547862599)
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2504 Terminal Block 30AMP - 4 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolat...
View full details![Blue Sea 2502 Terminal Block 30AMP - 2 Circuit [2502]](http://cemarine.com/cdn/shop/products/14585XL_512x512.jpg?v=1547862592)
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2502 Terminal Block 30AMP - 2 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolat...
View full details![Blue Sea 2410 Terminal Block 20AMP - 10 Circuit [2410]](http://cemarine.com/cdn/shop/products/14584XL_512x512.jpg?v=1547862585)
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2410 Terminal Block 20AMP - 10 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isola...
View full details![Blue Sea 2408 Terminal Block 20AMP - 8 Circuit [2408]](http://cemarine.com/cdn/shop/products/14583XL_512x512.jpg?v=1547862578)
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2408 Terminal Block 20AMP - 8 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolat...
View full details![Blue Sea 2406 Terminal Block 20AMP - 6 Circuit [2406]](http://cemarine.com/cdn/shop/products/14260XL_512x512.jpg?v=1547862330)
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2406 Terminal Block 20AMP - 6 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolat...
View full details![Blue Sea 2404 Terminal Black 20AMP - 4 Circuit [2404]](http://cemarine.com/cdn/shop/products/14259XL_512x512.jpg?v=1547862323)
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2404 Terminal Black 20AMP - 4 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolat...
View full details![Blue Sea 2402 Terminal Black 20AMP - 2 Circuit [2402]](http://cemarine.com/cdn/shop/products/14582XL_512x512.jpg?v=1547862571)
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2402 Terminal Black 20AMP - 2 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolat...
View full details![Blue Sea 2340 Battery Terminal Mount BusBars [2340]](http://cemarine.com/cdn/shop/products/54773XL_512x512.jpg?v=1547927946)
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Battery Terminal Mount BusBarsEasy to install.Specifications: Maximum Voltage: 32V DC Continuous Rating: 100A DC Bus Material: Tin-Plated Cop...
View full details![Blue Sea 2315 MiniBus 100 Ampere Common BusBar 4 x 10-32 Stud Terminal with Cover [2315]](http://cemarine.com/cdn/shop/products/28236XL_512x512.jpg?v=1547869341)
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MiniBus 100 Ampere Common BusBar 4 x 10-32 Stud Terminal with CoverPN: 2315 Great for limited space applications in electronics cabinets and unde...
View full details![Blue Sea 2314 MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw Terminal with Cover [2314]](http://cemarine.com/cdn/shop/products/28235XL_512x512.jpg?v=1547869334)
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MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw Terminal with CoverPN: 2314 Great for limited space applications in electronics cabinets and und...
View full details![Blue Sea 2312, 150 Ampere Common Busbar 20 x 8-32 Screw Terminal with Cover [2312]](http://cemarine.com/cdn/shop/products/28234XL_512x512.jpg?v=1547869326)
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150 Ampere Common Busbar 20 x 8-32 Screw Terminal with CoverPN: 2312 Stud design provides direct terminal to bus contact for low resistant conne...
View full details![Blue Sea 2307 Common 150A BusBar - (4) 1/4"-20 Studs w/Cover [2307]](http://cemarine.com/cdn/shop/products/68805XL_512x512.jpg?v=1576633204)
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2307 Common 150A BusBar - (4) 1/4"-20 Studs w/CoverFeatures: The industry standard busbar for positive distribution The industry standard busbar f...
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