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 2107 PowerBar 600AMP Cable Connector - 8 x 3/8" 16 Stud Terminal [2107]](http://cemarine.com/cdn/shop/products/20209XL_512x512.jpg?v=1547865109)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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 1850 M2 Vessel Systems Monitor [1850]](http://cemarine.com/cdn/shop/products/74851XL_512x512.jpg?v=1576634719)
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1850 M2 Vessel Systems MonitorPerforms comprehensive monitoring of four critical systems in one compact organic LED digital monitor.DC System Moni...
View full details![Blue Sea 1842 M2 OLED Digital Bilge Meter [1842]](http://cemarine.com/cdn/shop/products/68733XL_512x512.jpg?v=1576633181)
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1842 M2 OLED Digital Bilge MeterThe M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an a...
View full details![Blue Sea 1839 M2 OLED Tank Monitor [1839]](http://cemarine.com/cdn/shop/products/64341XL_512x512.jpg?v=1576632087)
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M2 OLED Tank MonitorThe M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto-dimming ...
View full details![Blue Sea 1838 M2 AC Multimeter [1838]](http://cemarine.com/cdn/shop/products/54771XL_512x512.jpg?v=1547927932)
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M2 AC MultimeterMonitors AC Amps, Volts, Hzs on large, bright display. Supports programmable current transformer ratios. Accurately measure and mo...
View full details![Blue Sea 1837 M2 AC Voltmeter [1837]](http://cemarine.com/cdn/shop/products/54769XL_512x512.jpg?v=1547927917)
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M2 AC VoltmeterMonitors AC Voltage on large, bright display. Accurately measure and monitors the voltage of your AC system. (measures 2 independen...
View full details![Blue Sea 1836 M2 AC Ammeter [1836]](http://cemarine.com/cdn/shop/products/54768XL_512x512.jpg?v=1547927911)
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M2 AC AmmeterMonitors AC Amperage on large, bright display. Supports programmable current transformer ratios. Accurately measure and alarm the amp...
View full details![Blue Sea 1833 M2 DC Voltmeter [1833]](http://cemarine.com/cdn/shop/products/54765XL_512x512.jpg?v=1547927890)
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M2 DC VoltmeterMonitors DC Voltage on large, bright display. Accurately measures and monitors the voltage of up to three batteries.Features: Auto...
View full details![Blue Sea 1832 M2 DC Ammeter [1832]](http://cemarine.com/cdn/shop/products/54764XL_512x512.jpg?v=1547927883)
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M2 DC AmmeterMonitors DC Amperage with large, bright display. Accurately measure and monitor the amperage of your DC system. (measures 2 circuits)...
View full details![Blue Sea 1830 M2 DC SoC State of Charge Monitor [1830]](http://cemarine.com/cdn/shop/products/54762XL_512x512.jpg?v=1547927868)
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M2 DC SoC State of Charge MonitorAccurately measure and monitor the state-of-charge of your batteries. Supports programmable shunt ratios.Features...
View full details![Blue Sea 1821 Universal Temperature Sensor [1821]](http://cemarine.com/cdn/shop/products/64340XL_512x512.jpg?v=1576632086)
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Universal Temperature SensorUse with the P12 Charger, M2 OLED, and Mini OLED Meters Includes double-sided tape Waterproof design Temperature Ran...
View full details![Blue Sea 1820 Submersible Temperature Sensor [1820]](http://cemarine.com/cdn/shop/products/38072XL_512x512.jpg?v=1547887084)
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1820 Submersible Temperature SensorFeatures: General temperature sensor designed to work for most applications. Easy double-sided tape installatio...
View full details![Blue Sea 1811 VSM 422 Tank Sender Gasoline Tank Level [1811]](http://cemarine.com/cdn/shop/products/34973XL_512x512.jpg?v=1547881122)
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1811Features: Accurate - used with the Vessel Systems Monitor VSM 422 PN 1800-can be precisely calibrated for each tank* Reliable - SSI Technolo...
View full details![Blue Sea 1810 VSM 422 Tank Sender Diesel, Water, or Waste Tank Level [1810]](http://cemarine.com/cdn/shop/products/34974XL_512x512.jpg?v=1547881129)
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1810Features: Accurate - used with the Vessel Systems Monitor VSM 422 PN 1800 - can be precisely calibrated for each tank* Reliable - SSI Techno...
View full details![Blue Sea 1741 Mini OLED Temperature Meter [1741]](http://cemarine.com/cdn/shop/products/64338XL_512x512.jpg?v=1576632085)
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Mini OLED Temperature MeterMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen Compact size ena...
View full details![Blue Sea 1733 Mini OLED DC Voltmeter [1733]](http://cemarine.com/cdn/shop/products/58582XL_512x512.jpg?v=1576630707)
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Mini OLED DC VoltmeterMonitors DC voltage on a bright, waterproof, daylight readable OLED screen Compact size enables mounting in any convenient l...
View full details![Blue Sea 1732 Mini OLED Ammeter [1732]](http://cemarine.com/cdn/shop/products/64336XL_512x512.jpg?v=1576632085)
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Mini OLED AmmeterMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen Compact size enables mount...
View full details![Blue Sea 1525 360 Panel - M2 Monitor Panel Blank [1525]](http://cemarine.com/cdn/shop/products/65263XL_512x512.jpg?v=1576632277)
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360 Panel - M2 Monitor Panel Blank1 x 1 360 Panel System module mounts any M2 Monitor and matches existing 360 panelsWARNING: This product can exp...
View full details![Blue Sea 1522 360 Panel Dual Bilge Pump Control [1522]](http://cemarine.com/cdn/shop/products/57216XL_512x512.jpg?v=1576630443)
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360 Panel Dual Bilge Pump ControlControls two bilge pumpsRestricted-off circuit breakers and manual override switches On-indicating LED indicates ...
View full details![Blue Sea 1502 ELCI Main 30A Double Pole Panel [1502]](http://cemarine.com/cdn/shop/products/57240XL_512x512.jpg?v=1576630455)
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ELCI Main 30A Double Pole PanelFeatures: One 30A AC ELCI Main Residual Current Circuit Breaker, leakage trip amperate - 30 mA ELCI provides overc...
View full details![Blue Sea 1479 360 Panel - 120V AC DUal Outlet [1479]](http://cemarine.com/cdn/shop/products/64005XL_512x512.jpg?v=1576631990)
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360 Panel - 120V AC DUal OutletProvides a 360 Panel System platform for mounting equipment, switching, and monitoring functions.WARNING: This prod...
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