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 2502 Terminal Block 30AMP - 2 Circuit [2502]](http://cemarine.com/cdn/shop/products/14585XL_512x512.jpg?v=1547862592)
Save 23%
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)
Save 29%
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)
Save 26%
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)
Save 27%
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)
Save 16%
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)
Save 17%
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)
Save 29%
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)
Save 48%
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)
Save 47%
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)
Save 48%
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)
Call for Availabity!
2307 Common 150A BusBar - (4) 1/4"-20 Studs w/CoverFeatures: The industry standard busbar for positive distribution The industry standard busbar f...
View full details![Blue Sea 2306 MiniBus 100AMP Common BusBar Grounding BusBar 6 x 8-32 Screw Terminal [2306]](http://cemarine.com/cdn/shop/products/20219XL_512x512.jpg?v=1547865151)
Save 42%
2306 MiniBus 100AMP Common BusBar Grounding BusBar 6 x 8-32 Screw TerminalFeatures:Great for limited space applications in electronics cabinets an...
View full details![Blue Sea 2305 MiniBus 100 Ampere Common BusBar 4 x 10-32 Stud Terminal [2305]](http://cemarine.com/cdn/shop/products/13940XL_512x512.jpg?v=1547861893)
Call for Availabity!
2305 MiniBus 100 Ampere Common BusBar 4 x 10-32 Stud TerminalFeatures:Great for limited space applications in electronics cabinets and under dashb...
View full details![Blue Sea 2304 MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw Terminal [2304]](http://cemarine.com/cdn/shop/products/13938XL_512x512.jpg?v=1547861886)
Save 48%
2304 MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw TerminalFeatures:Great for limited space applications in electronics cabinets and under dashb...
View full details![Blue Sea 2303 150AMP Common BusBar 4 x 1/4" Stud Terminal [2303]](http://cemarine.com/cdn/shop/products/13945XL_512x512.jpg?v=1547861928)
Save 47%
2303 150AMP Common BusBar 4 x 1/4" Stud TerminalFeatures: Stud design provides direct terminal to bus contact for low resistant connection Stainle...
View full details![Blue Sea 2302 150AMP Common BusBar 20 x 8-32 Screw Terminal [2302]](http://cemarine.com/cdn/shop/products/13947XL_512x512.jpg?v=1547861935)
Save 47%
2302 150AMP Common BusBar 20 x 8-32 Screw TerminalFeatures: The industry standard busbar for positive distribution The industry standard busbar fo...
View full details![Blue Sea 2301 150AMP Common BusBar 10 x #8-32 Screw Terminal [2301]](http://cemarine.com/cdn/shop/products/13944XL_512x512.jpg?v=1547861921)
Save 47%
2301 150AMP Common BusBar 10 x #8-32 Screw Terminal Features: Stud design provides direct terminal to bus contact for low resistant connection Sta...
View full details![Blue Sea 2300 150AMP Common BusBar 10 x #8-32 Screw Terminal w/Cover [2300]](http://cemarine.com/cdn/shop/products/20218XL_512x512.jpg?v=1547865144)
Save 46%
2300 150AMP Common BusBar 10 x #8-32 Screw Terminal with CoverFeatures: Stud design provides direct terminal to bus contact for low resistant conn...
View full details![Blue Sea 2204 Red Terminal Feed Through Connector [2204]](http://cemarine.com/cdn/shop/products/20213XL_512x512.jpg?v=1547865137)
Save 30%
Terminal Feed Through ConnectorsEliminates chage and provides strain relief when passing high current through hulls, decks and bulkheads.Features:...
View full details![Blue Sea 2203 Black Terminal Feed Through Connector [2203]](http://cemarine.com/cdn/shop/products/20212XL_512x512.jpg?v=1547865130)
Save 30%
Terminal Feed Through ConnectorsEliminates chage and provides strain relief when passing high current through hulls, decks and bulkheads.Features:...
View full details![Blue Sea 2202 Red Terminal Feed Through Connectors [2202]](http://cemarine.com/cdn/shop/products/20211XL_512x512.jpg?v=1547865122)
Save 29%
Terminal Feed Through ConnectorsEliminates chage and provides strain relief when passing high current through hulls, decks and bulkheads.Features:...
View full details![Blue Sea 2201 Black Terminal Feed Through Connector [2201]](http://cemarine.com/cdn/shop/products/20210XL_512x512.jpg?v=1547865115)
Save 29%
Terminal Feed Through ConnectorsEliminates chage and provides strain relief when passing high current through hulls, decks and bulkheads.Features:...
View full details![Blue Sea 2151 Terminal Fuse Block - 3/8" Mounting Hole - 2 Terminal Studs [2151]](http://cemarine.com/cdn/shop/products/34978XL_512x512.jpg?v=1547881157)
Save 31%
2151Features: New isolated stud design uses standard 5/16" hardware and permits stacking of terminals Compact, high-amp fuse-Appropriate for DC ...
View full details![Blue Sea 2128 Maxibus 6 x #10-24(Screws) w/2 x 516"(Studs) [2128]](http://cemarine.com/cdn/shop/products/42722XL_512x512.jpg?v=1547894343)
Save 48%
2 x 5⁄16"- 18 Stud Terminal6 x#10-24 Terminal Screws Part# 2128 SpecificationsContinuous Amperage t250 Amperes AC/DCVoltage Rating t300 Volts AC M...
View full details![Blue Sea 2127 Maxibus 4 x 516-18 Stud Common [2127]](http://cemarine.com/cdn/shop/products/42737XL_512x512.jpg?v=1547894385)
Save 47%
4 x 5⁄16- 18 Stud TerminalPart# 2127 SpecificationsContinuous Amperage t250 Amperes AC/DCVoltage Rating t300 Volts AC Maximum / 48 Volts DC Maximu...
View full details![Blue Sea 2126 Maxibus 6 x 516-18 Stud Common [2126]](http://cemarine.com/cdn/shop/products/42716XL_512x512.jpg?v=1547894336)
Save 48%
6 x 5⁄16- 18 Stud TerminalPart# 2126 SpecificationsContinuous Amperage t250 Amperes AC/DCVoltage Rating t300 Volts AC Maximum / 48 Volts DC Maximu...
View full details![Blue Sea 2107 PowerBar 600AMP Cable Connector - 8 x 3/8" 16 Stud Terminal [2107]](http://cemarine.com/cdn/shop/products/20209XL_512x512.jpg?v=1547865109)
Save 31%
2107 PowerBar 600AMP Cable Connector - 8 x 3/8" 16 Stud TerminalSpecifications: Maximum Voltage: 300 V AC/48V DC Number of Terminal Studs: 8 Termi...
View full details![Blue Sea 2105 MaxiBus 250AMP Common BusBars 12 x #10 Terminal Screws [2105]](http://cemarine.com/cdn/shop/products/13948XL_512x512.jpg?v=1547861942)
Save 49%
2105 MaxiBus 250AMP Common BusBars 12 x #10 Terminal ScrewsBusbars are used to consolidate multiple wires or feed multiple circuits.Features: Inse...
View full details![Blue Sea 2104 PowerBar 600AMP Cable Connector 4 x 3/8 16 Stud Terminal [2104]](http://cemarine.com/cdn/shop/products/13953XL_512x512.jpg?v=1547861970)
Save 31%
2104 PowerBar 600AMP Cable Connector 4 x 3/8 16 Stud TerminalSpecifications: Max Voltage: 300 V AC/48 V DC Number of Terminal Studs: 4 Terminal Ty...
View full details![Blue Sea 2103 PowerPost Plus Cable Connector 3/8" Stud [2103]](http://cemarine.com/cdn/shop/products/13952XL_512x512.jpg?v=1547861963)
Save 32%
2103 PowerPost Plus Cable Connector 3/8" Stud Enables connection of multiple smaller wires in spaces where a traditional bus bar may not fit.Featu...
View full details![Blue Sea 2102 PowerPost Plus Cable Connector - 5/16" Stud [2102]](http://cemarine.com/cdn/shop/products/14563XL_512x512.jpg?v=1547862473)
Save 32%
2102 PowerPost Plus Cable Connector - 5/16" StudEnables connection of multiple smaller wires in spaces where a traditional bus bar may not fit.Fea...
View full details![Blue Sea 2101 PowerPost Plus Cable Connector - 1/4" Stud [2101]](http://cemarine.com/cdn/shop/products/14562XL_512x512.jpg?v=1547862466)
Save 32%
2101 PowerPost Plus Cable Connector - 1/4" StudEnables connection of multiple smaller wires in spaces where a traditional bus bar may not fit.Feat...
View full details![Blue Sea 2020 PowerBar Dual BusBar - Two 3/8"-16 Studs [2020]](http://cemarine.com/cdn/shop/products/61038XL_512x512.jpg?v=1576631363)
Save 31%
PowerBar Dual BusBar - Two 3/8"-16 StudsProvides compact high-ampere busing with 3/8" terminal studsSpecifications: Maximum Amperage: 200A Maximu...
View full details![Blue Sea 2019 PowerBar Common BusBar - Dual 3/8" x 16 [2019]](http://cemarine.com/cdn/shop/products/34962XL_512x512.jpg?v=1547881052)
Save 30%
PowerBar Common BusBarTerminal Studs: 2x3/8"-16Provides compact high-ampere busing with 3/8" terminal studsWARNING: This product can expose you to...
View full details![Blue Sea 2018 Dual PowerPost Cable Connectors - 1 X 5/16" - 1 X 3/8" [2018]](http://cemarine.com/cdn/shop/products/32545XL_512x512.jpg?v=1640994835)
Save 31%
Dual PowerPost Connectors Designed for outboard engine installation when factory cables need to be extended Includes one black and one red insula...
View full details![Blue Sea 2017 Dual PowerPost Cable Connectors - 2 x 3/8" [2017]](http://cemarine.com/cdn/shop/products/32544XL_512x512.jpg?v=1547876539)
Save 31%
Dual PowerPost Connectors Designed for connecting high amp conductors Includes one black and one red insulator WARNING: This product can expose y...
View full details![Blue Sea 2016 Dual PowerPost Cable Connectors - 2 X 5/16" [2016]](http://cemarine.com/cdn/shop/products/32543XL_512x512.jpg?v=1547876532)
Save 31%
Dual PowerPost Connectors Designed for connecting high amp conductors Includes one black and one red insulator WARNING: This product can expose y...
View full details![Blue Sea 2011 PowerPost Mini High Amperage Cable Connector - 1/4" Stud [2011]](http://cemarine.com/cdn/shop/products/14561XL_512x512.jpg?v=1547862459)
Save 24%
2011 PowerPost Mini High Amperage Cable Connector - 1/4" StudInsulated single stainless steel stud terminates multiple large conductors.Features: ...
View full details![Blue Sea 2010 PowerPost High Amperage Cable Connector #10 Stud [2010]](http://cemarine.com/cdn/shop/products/20208XL_512x512.jpg?v=1547865101)
Save 24%
PowerPost High Amperage Cable Connector #10 StudFeatures: Insulated single stainless steel stud terminates multiple large conductors Connects hig...
View full details![Blue Sea 2003 PowerPost High Amperage Cable Connector 3/8" Stud [2003]](http://cemarine.com/cdn/shop/products/13950XL_512x512.jpg?v=1547861949)
Save 26%
2003 PowerPost High Amperage Cable Connector 3/8" StudInsulated single stainless steel stud terminates multiple large conductors.Features: Connect...
View full details![Blue Sea 2002 PowerPost High Amperage Cable Connector 5/16" Stud [2002]](http://cemarine.com/cdn/shop/products/13951XL_512x512.jpg?v=1547861956)
Save 26%
2002 PowerPost High Amperage Cable Connector 5/16" Stud Insulated single stainless steel stud terminates multiple large conductors.Features: Conne...
View full details![Blue Sea 2001 Power Post High Amperage Cable Connector 1/4" Stud [2001]](http://cemarine.com/cdn/shop/products/13629XL_512x512.jpg?v=1547861591)
Save 26%
PowerPost High Amperage Cable Connector 1/4" StudFeatures: Connects high amperage cables securely Glass-Reinforced Nylon 48 Volts DC Maximum Not r...
View full details![Blue Sea 1003 CableClam 1.39" [1003]](http://cemarine.com/cdn/shop/products/13961XL_512x512.jpg?v=1547862027)
Save 29%
1003 CableClam 1.39" Features: Perfect for antenna installation Waterproof co-axial installation without removing connectors Save the expense of r...
View full details![Blue Sea 1002 Cable Clam 0.8" [1002]](http://cemarine.com/cdn/shop/products/13881XL_512x512.jpg?v=1547861836)
Save 30%
1002 Cable Clam 0.8" Features: Perfect for antenna installation Waterproof co-axial installation without removing connectors Save the expense of r...
View full details![Blue Sea 1001 CableClam .63" [1001]](http://cemarine.com/cdn/shop/products/13960XL_512x512.jpg?v=1547862020)
Save 28%
CableClam .63"Connector Opening (in): 0.63Features: Perfect for antenna installation Waterproof co-axial installation without removing connector...
View full details