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 2356 Water Resistant BusBar - 100 Amp w/Cover [2356]](http://cemarine.com/cdn/shop/products/80379XL_512x512.jpg?v=1568754604)
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2356 Water Resistant BusBar - 100 Amp with CoverProvides secure water-resistant bussing for harsh environments. The single side nesting design all...
View full details![Blue Sea PowerBar 1000 - 8 5/16" Terminal Studs w/Cover [1992]](http://cemarine.com/cdn/shop/products/54615XL_512x512.jpg?v=1547927013)
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PowerBar 1000 - 8 5/16" Terminal Studs w/CoverComplex wiring systems require a single point to consolidate large and small conductors. The PowerBa...
View full details![Blue Sea PowerBar 1000 - 8 3/8" Terminal Studs w/Cover [1990]](http://cemarine.com/cdn/shop/products/54613XL_512x512.jpg?v=1547927000)
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PowerBar 1000 - 8 3/8" Terminal Studs w/CoverComplex wiring systems require a single point to consolidate large and small conductors. The PowerBar...
View full details![Blue Sea PowerBar 1000 - 12 5/16" Terminal Studs w/Cover [1993]](http://cemarine.com/cdn/shop/products/54616XL_512x512.jpg?v=1547927020)
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PowerBar 1000 - 12 5/16" Terminal Studs w/CoverComplex wiring systems require a single point to consolidate large and small conductors. The PowerB...
View full details![Blue Sea PowerBar 1000 - 12 3/8" Terminal Studs w/Cover [1991]](http://cemarine.com/cdn/shop/products/54614XL_512x512.jpg?v=1547927006)
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PowerBar 1000 - 12 3/8" Terminal Studs w/CoverComplex wiring systems require a single point to consolidate large and small conductors. The PowerBa...
View full details![Blue Sea 9218 Terminal Block Jumpers f/2400 Series Blocks - *Package of 5* [9218]](http://cemarine.com/cdn/shop/products/14594XL_512x512.jpg?v=1547862642)
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9218 Terminal Block Jumpers for 2400 Series Blocks - Package of 5Features: Jumpers allow creation of common circuits on independent connectors Fit...
View full details![Blue Sea 9217 Terminal Block Jumpers f/2500 Series Blocks - *Package of 5* [9217]](http://cemarine.com/cdn/shop/products/13959XL_512x512.jpg?v=1547862013)
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9217 Terminal Block Jumpers for 2500 Series Blocks - Package of 5Features: Jumpers allow creation of common circuits on independent connectors Fit...
View full details![Blue Sea 9216 Terminal Block Jumper f/2600 Series Blocks - *Package of 5* [9216]](http://cemarine.com/cdn/shop/products/14592XL_512x512.jpg?v=1547862635)
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9216 Terminal Block Jumper for 2600 Series Blocks - Package of 5Features: Jumpers allow creation of common circuits on independent connectors Fits...
View full details![Blue Sea 5503 ANL 750 Fuse Block w/ Cover [5503]](http://cemarine.com/cdn/shop/products/34963XL_512x512.jpg?v=1547881059)
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5503 Cover included Accepts 5/16" (M8) ring terminals For use on systems up to 32 Volts DC Swing out design allows replacement of the fuse without...
View full details![Blue Sea 5049 ST CLB Circuit Breaker Block Jumper - *Package of 5* [5049]](http://cemarine.com/cdn/shop/products/51808XL_512x512.jpg?v=1547918283)
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ST CLB Circuit Breaker Block Jumper - Package of 5Specifications:5 per retail packageWARNING: This product can expose you to chemicals including d...
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 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...
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