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 5101 MEGA/AMG Fuse - 100AMP [5101]](http://cemarine.com/cdn/shop/products/19012XL_512x512.jpg?v=1547864600)
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5101 MEGA®/AMG® Fuse - 100AMPFeatures: Most economical fuse for 100-300 Ampere circuit protection For use with Blue Sea Systems' MEGA®/AMG® Fuse B...
View full details![Blue Sea 5068 MAXI In-Line Fuse Holder [5068]](http://cemarine.com/cdn/shop/products/54779XL_512x512.jpg?v=1547927990)
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MAXI® In-Line Fuse HolderFeatures: Supplied with #6 red lead wire, 5" length 32V DC Max. voltage rating 60A Max. fuse amperage Firewall mou...
View full details![Blue Sea 5065 Waterproof In-Line Fuse Holder ATO/ATC [5065]](http://cemarine.com/cdn/shop/products/40585XL_512x512.jpg?v=1547890996)
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5065ATO/ATC Waterproof In-Line Fuse Holder supplied with 12 AWG pigtails 30A Maximum fuse amperage WARNING: This product can expose you to chemic...
View full details![Blue Sea 5064 In-Line Fuse Holder f/ATO & ATC Fuses [5064]](http://cemarine.com/cdn/shop/products/40584XL_512x512.jpg?v=1547890989)
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5064ATO/ATC In-Line Fuse Holder Supplied with 12 AWG pigtails 30A Maximum fuse amperage WARNING: This product can expose you to chemicals includi...
View full details![Blue Sea 5063 Heavy Duty Inline Fuse Holder AGC/MDL [5063]](http://cemarine.com/cdn/shop/products/40583XL_512x512.jpg?v=1547890982)
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Heavy Duty In-Line Fuse Holder Accepts 12-18 AWG wire 30A Maximum fuse amperage Fuse sold seperatelyWARNING: This product can expose you to ch...
View full details![Blue Sea 5061 Waterproof Inline Fuse Holder AGC/MDL [5061]](http://cemarine.com/cdn/shop/products/40582XL_512x512.jpg?v=1547890976)
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Waterproof In-Line Fuse Holder Accepts 12-18 AWG wire 30A maximum fuse amperage Fuse sold seperatelyWARNING: This product can expose you to ...
View full details![Blue Sea 5060 Crimpable Inline Fuse Holder AGC MDL [5060]](http://cemarine.com/cdn/shop/products/40581XL_512x512.jpg?v=1547890968)
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Crimpable In-Line Fuse Holder Accepts 12-18 AWG wire 30A Maximum fuse amperage Fuse sold seperatelyWARNING: This product can expose you to ch...
View full details![Blue Sea 5054 ST CLB Circuit Breaker Block - 12 Position w/Negative Bus [5054]](http://cemarine.com/cdn/shop/products/51812XL_512x512.jpg?v=1547918315)
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ST CLB Circuit Breaker Block - 12 Position w/Negative BusFeatures Quick connect clips allow circuit breakers to snap easily into place Tin-plated...
View full details![Blue Sea 5052 ST CLB Circuit Breaker Block - 6 Position w/Negative Bus [5052]](http://cemarine.com/cdn/shop/products/51811XL_512x512.jpg?v=1547918307)
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ST CLB Circuit Breaker Block - 6 Position w/Negative BusFeatures Quick connect clips allow circuit breakers to snap easily into place Tin-plated ...
View full details![Blue Sea 5051 ST CLB Circuit Breaker Block - 12 Position [5051]](http://cemarine.com/cdn/shop/products/51810XL_512x512.jpg?v=1547918300)
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ST CLB Circuit Breaker Block - 12 PositionFeatures Quick connect clips allow circuit breakers to snap easily into place Tin-plated copper busses ...
View full details![Blue Sea 5050 ST CLB Circuit Breaker Block - 6 Position [5050]](http://cemarine.com/cdn/shop/products/51809XL_512x512.jpg?v=1547918293)
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ST CLB Circuit Breaker Block - 6 PositionFeatures Quick connect clips allow circuit breakers to snap easily into place Tin-plated copper busses a...
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 5046 ST Blade Compact Fuse Blocks - 8 Circuits w/Cover [5046]](http://cemarine.com/cdn/shop/products/58586XL_512x512.jpg?v=1576630708)
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ST Blade Compact Fuse Blocks - 8 Circuits w/CoverProvides surface mount circuit protection for ATO®/ATC® Fuses in a compact footprint. The single ...
View full details![Blue Sea 5045 ST Blade Compact Fuse Blocks - 4 Circuits w/Cover [5045]](http://cemarine.com/cdn/shop/products/58585XL_512x512.jpg?v=1576630708)
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ST Blade Compact Fuse Blocks - 4 Circuits w/CoverProvides surface mount circuit protection for ATO®/ATC® Fuses in a compact footprint. The single ...
View full details![Blue Sea 5037 ST Blade Fuse Block w/o Cover - 6 Circuit Independent w/o Negative Bus [5037]](http://cemarine.com/cdn/shop/products/42730XL_512x512.jpg?v=1547894378)
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ST Blade Fuse Block w/o Cover - 6 Circuit w/o Negative BusPart# 5037 Can be used for 24-hour circuits Fuse blocks with covers include 20 write-on...
View full details![Blue Sea 5035 ST Blade Fuse Block w/Cover - 6 Circuit Independent w/o Negative Bus [5035]](http://cemarine.com/cdn/shop/products/42729XL_512x512.jpg?v=1547894371)
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ST Blade Fuse Block With Cover - 6 Circuit without Negative BusPart# 5035 Can be used for 24-hour circuits Cover satisfies ABYC/USCG requirements...
View full details![Blue Sea 5034 ST Blade Fuse Block w/out Cover - 12 Circuit w/out Negative Bus [5034]](http://cemarine.com/cdn/shop/products/20434XL_512x512.jpg?v=1547865540)
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5034ST Blade Fuse Block w/out Cover - 12 Circuit w/out Negative Bus Tin-plated copper buses and fuse clips give 30 Amperes rating per circuit Ac...
View full details![Blue Sea 5033 ST Blade Fuse Block w/out Cover - 6 Circuit w/out Negative Bus [5033]](http://cemarine.com/cdn/shop/products/20433XL_512x512.jpg?v=1547865533)
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5033ST Blade Fuse Block w/out Cover - 12 Circuit w/out Negative Bus Tin-plated copper buses and fuse clips give 30 Amperes rating per circuit Ac...
View full details![Blue Sea 5032 ST-Blade Split Bus Fuse Block [5032]](http://cemarine.com/cdn/shop/products/54778XL_512x512.jpg?v=1547927982)
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ST-Blade Split Bus Fuse BlockFeatures: Provides two isolated groups of six ATO/ATC circuits For use with either two isolated batteries or with ...
View full details![Blue Sea 5031 ST Blade Fuse Block w/o Cover - 12 Circuit w/Negative Bus [5031]](http://cemarine.com/cdn/shop/products/20432XL_512x512.jpg?v=1547865526)
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5031ST Blade Fuse Block w/out Cover - 12 Circuit w/ Negative Bus Tin-plated copper buses and fuse clips give 30 Amperes rating per circuit Accep...
View full details![Blue Sea 5030 ST Blade Fuse Block w/o Cover - 6 Circuit w/Negative Bus [5030]](http://cemarine.com/cdn/shop/products/20431XL_512x512.jpg?v=1547865519)
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5030ST Blade Fuse Block w/out Cover - 6 Circuit w/ Negative Bus Tin-plated copper buses and fuse clips give 30 Amperes rating per circuit Accept...
View full details![Blue Sea 5029 ST Blade Fuse Block w/Cover - 12 Circuit w/o Negative Bus [5029]](http://cemarine.com/cdn/shop/products/20430XL_512x512.jpg?v=1547865511)
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5029ST Blade Fuse Block w/ Cover - 12 Circuit w/out Negative Bus Clear insulating cover with label recesses accept Small Format Labels Cover Sat...
View full details![Blue Sea 5028 ST Blade Fuse Block w/ Cover - 6 Circuit without Negative Bus [5028]](http://cemarine.com/cdn/shop/products/20429XL_512x512.jpg?v=1547865505)
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5028ST Blade Fuse Block w/ Cover6 Circuit w/out Negative Bus Clear insulating cover with label recesses accept Small Format Labels Cover Satisfie...
View full details![Blue Sea 5026 ST Blade Fuse Block w/Cover - 12 Circuit w/Negative Bus [5026]](http://cemarine.com/cdn/shop/products/16508XL_512x512.jpg?v=1547863635)
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5026 ST Blade Fuse Block with Cover - 12 Circuit with Negative Bus Features: Clear insulating cover with label recesses accept Small Format Labels...
View full details![Blue Sea 5025 ST Blade Fuse Block w/Cover - 6 Circuit w/Negative Bus [5025]](http://cemarine.com/cdn/shop/products/16507XL_512x512.jpg?v=1547863628)
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5025 ST Blade Fuse Block with Cover - 6 Circuit with Negative Bus Features: Clear insulating cover with label recesses accept Small Format Labels ...
View full details![Blue Sea 5024 ST-Blade Battery Terminal Mount Fuse Block Kit [5024]](http://cemarine.com/cdn/shop/products/54776XL_512x512.jpg?v=1547927967)
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ST-Blade Battery Terminal Mount Fuse Block KitFeatures: Easy to install 4 ATO/ATC fused circuits Mounts on the battery terminal stud Screw te...
View full details![Blue Sea 5023 ST-Blade Battery Terminal Mount Fuse Block [5023]](http://cemarine.com/cdn/shop/products/54775XL_512x512.jpg?v=1547927961)
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ST-Blade Battery Terminal Mount Fuse BlockFeatures: Easy to install 4 ATO/ATC fused circuits Mounts on the battery terminal stud Screw termin...
View full details![Blue Sea 5022 Panel Mount AGC/MDL Fuse Holder Replacement Cap [5022]](http://cemarine.com/cdn/shop/products/74015XL_512x512.jpg?v=1576634539)
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5022 Panel Mount AGC/MDL Fuse Holder Replacement CapReplaces cap for 5021 Specifications: Fuse Type: AGC/MDL Type: Fuse Holders Box Dimensions: 1...
View full details![Blue Sea 5021 Water Resistant Fuse Holder [5021]](http://cemarine.com/cdn/shop/products/20428XL_512x512.jpg?v=1547865498)
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Water Resistant Fuse Holder Panel Mount Rated IP66 on front - protected against powerful water jets 20A Max. fuse amperage 0.50" (12.70mm) moun...
View full details![Blue Sea 5018 ST Glass Fuse Block w/out Negative Bus - 6 Circuit [5018]](http://cemarine.com/cdn/shop/products/13967XL_512x512.jpg?v=1547862035)
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5018 ST Glass Fuse Block without Negative Bus - 6 CircuitFeatures: Clear insulating cover with label recesses for accept Large Format Labels Cover...
View full details![Blue Sea 5015 ST Glass Fuse Block w/Negative Bus [5015]](http://cemarine.com/cdn/shop/products/14569XL_512x512.jpg?v=1547862493)
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5015 ST Glass Fuse Block with Negative Bus Features: Clear insulating cover with label recesses for accept Large Format Labels Cover insulates all...
View full details![Blue Sea 5007100 Class T Fuse Block w/Insulating Cover - 110 to 200A [5007100]](http://cemarine.com/cdn/shop/products/64351XL_512x512.jpg?v=1576632091)
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Class T Fuse Block with Insulating Cover - 110 to 200AAllows the use of Class T fuses for fast acting circuit protection of inverters and other el...
View full details![Blue Sea 5006100 MAXI Fuse Block - 30-80A [5006100]](http://cemarine.com/cdn/shop/products/64446XL_512x512.jpg?v=1576632111)
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MAXI Fuse Block - 30-80AIgnition Protected Replaces Part Number 5006 MAXI Range 30-80A Accepts wire 18-4 AWG Versatile wiring orientations Lab...
View full details![Blue Sea 5005 ANL 35-300AMP Fuse Block w/Cover [5005]](http://cemarine.com/cdn/shop/products/13969XL_512x512.jpg?v=1547862042)
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5005 ANL 35-300AMP Fuse Block with CoverFeatures: Insulating cover satisfies ABYC/USCG requirements and cover breakouts allow access in any direct...
View full details![Blue Sea 5001 Fuse Block MEGA 100-300A w/Cover [5001]](http://cemarine.com/cdn/shop/products/19000XL_512x512.jpg?v=1547864535)
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5001 Fuse Block MEGA 100-300A with Cover Features: The most economical system for 100-300 Ampere fusing Insulating cover satisfies ABYC/USCG requi...
View full details![Blue Sea 4378 WeatherDeck Water Resistant Circuit Breaker Panel - 8 Position - Grey [4378]](http://cemarine.com/cdn/shop/products/34965XL_512x512.jpg?v=1547881073)
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WeatherDeck Water Resistant Circuit Breaker PanelPN: 4378Color: GrayFeatures: Rated IP67-temporary immersion for 30 minutes Designed for flybri...
View full details![Blue Sea 4376 WeatherDeck Water Resistant Circuit Breaker Panel - 6 Position - Grey [4376]](http://cemarine.com/cdn/shop/products/20423XL_512x512.jpg?v=1547865490)
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WeatherDeck™ Water Resistant Circuit Breaker PanelPN: 4376Color: GrayFeatures: Rated IP67-temporary immersion for 30 minutes Designed for flybridg...
View full details![Blue Sea 4374 WeatherDeck Water Resistant Circuit Breaker Panel - 4 Position - Grey [4374]](http://cemarine.com/cdn/shop/products/20422XL_512x512.jpg?v=1547865483)
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WeatherDeck™ Water Resistant Circuit Breaker PanelPN: 4374Color: GrayFeatures: Rated IP67-temporary immersion for 30 minutes Designed for flybridg...
View full details![Blue Sea 4368 Water Resistant USB Accessory Panel - 12V Socket, 2x 2.1A Dual USB Chargers, Mini Voltmeter [4368]](http://cemarine.com/cdn/shop/products/75114XL_512x512.jpg?v=1576634783)
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4368 Water Resistant USB Accessory Panel - 12V Socket, 2x 2.1A Dual USB Chargers, Mini VoltmeterEasy to install accessory panels include a 15A cir...
View full details![Blue Sea 4367 Water Resistant USB Accessory Panel - 15A Circuit Breaker, 3x Blank Apertures [4367]](http://cemarine.com/cdn/shop/products/75137XL_512x512.jpg?v=1576634795)
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4367 Water Resistant USB Accessory Panel - 15A Circuit Breaker, 3x Blank AperturesEasy to install accessory panels include a 15A circuit breaker s...
View full details![Blue Sea 4366 Water Resistant USB Accessory Panel - Circuit Breaker, 12V Socket, Dual USB Charger, Mini Voltmeter [4366]](http://cemarine.com/cdn/shop/products/75136XL_512x512.jpg?v=1576634794)
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4366 Water Resistant USB Accessory Panel - Circuit Breaker, 12V Socket, Dual USB Charger, Mini VoltmeterEasy to install accessory panels include a...
View full details![Blue Sea 4365 Water Resistant USB Accessory Panel - 15A Circuit Breaker, 12V Socket, 2x 2.1A Dual USB Chargers [4365]](http://cemarine.com/cdn/shop/products/75135XL_512x512.jpg?v=1576634793)
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4365 Water Resistant USB Accessory Panel - 15A Circuit Breaker, 12V Socket, 2x 2.1A Dual USB ChargersEasy to install accessory panels include a 15...
View full details![Blue Sea 4364 Water Resistant USB Accessory Panel - 15A Circuit Breaker, 2x Blank Apertures [4364]](http://cemarine.com/cdn/shop/products/75134XL_512x512.jpg?v=1576634793)
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4364 Water Resistant USB Accessory Panel - 15A Circuit Breaker, 2x Blank AperturesEasy to install accessory panels include a 15A circuit breaker s...
View full details![Blue Sea 4363 Water Resistant USB Accessory Panels - 15A Circuit Breaker, 12V Socket, 2.1A Dual USB Charger [4363]](http://cemarine.com/cdn/shop/products/75133XL_512x512.jpg?v=1576634792)
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4363 Water Resistant USB Accessory Panels - 15A Circuit Breaker, 12V Socket, 2.1A Dual USB ChargerEasy to install accessory panels include a 15A c...
View full details![Blue Sea 4325 Circuit Breaker Switch Panel 6 Position - Camo [4325]](http://cemarine.com/cdn/shop/products/75113XL_512x512.jpg?v=1576634783)
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4325 Circuit Breaker Switch Panel 6 Position - CamoDesigned for exposed mounting applications.Features: Illuminated 15A circuit breakers provide s...
View full details![Blue Sea 4324 Circuit Breaker Switch Panel 4 Postion - Camo w/12V Socket Dual USB [4324]](http://cemarine.com/cdn/shop/products/75112XL_512x512.jpg?v=1576634782)
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4324 Circuit Breaker Switch Panel 4 Postion - Camo with 12V Socket & Dual USBDesigned for exposed mounting applications.Features: Illuminated ...
View full details![Blue Sea 4323 Circuit Breaker Switch Panel 4 Position - Camo [4323]](http://cemarine.com/cdn/shop/products/75111XL_512x512.jpg?v=1576634781)
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4323 Circuit Breaker Switch Panel 4 Position - CamoDesigned for exposed mounting applications.Features: Illuminated 15A circuit breakers provide s...
View full details![Blue Sea 4322 Circuit Breaker Switch Panel 6 Position - Gray [4322]](http://cemarine.com/cdn/shop/products/75110XL_512x512.jpg?v=1576634781)
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4322 Circuit Breaker Switch Panel 6 Position - GrayDesigned for exposed mounting applications.Features: Illuminated 15A circuit breakers provide s...
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