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 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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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Terminal Feed Through ConnectorsEliminates chage and provides strain relief when passing high current through hulls, decks and bulkheads.Features:...
View full details![Blue Sea 2155 - Remote Control Contura Switch w/Lockout Slide [2155]](http://cemarine.com/cdn/shop/products/40579XL_512x512.jpg?v=1547890955)
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2155 - Remote Control Contura Switch with Lockout Slide Vibration, shock, thermoschock, moisture and salt spray resistant Lockout slide reduces t...
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)
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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 2146 ML-Series Remote Control Contura Switch - ON-OFF-ON [2146]](http://cemarine.com/cdn/shop/products/34972XL_512x512.jpg?v=1547881116)
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2146Pole/Throw: SPDTAction: ON OFF ONFeatures:Vibration, shock, thermoshock, moisture and salt spray resistantWARNING: This product can expose you...
View full details![Blue Sea 2145 ML-Series Remote Control Contura Switch - (ON) OFF (ON) [2145]](http://cemarine.com/cdn/shop/products/34971XL_512x512.jpg?v=1547881108)
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2145Pole/Throw: SPDTAction: (ON) OFF (ON)Features:Vibration, shock, thermoshock, moisture and salt spray resistantWARNING: This product can expose...
View full details![Blue Sea 2143 Medium Duty Push Button Reset-Only - 60A [2143]](http://cemarine.com/cdn/shop/products/34989XL_512x512.jpg?v=1547881237)
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2143Amperage: 60AFeatures: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit...
View full details![Blue Sea 2142 Medium Duty Push Button Reset-Only - 50A [2142]](http://cemarine.com/cdn/shop/products/34988XL_512x512.jpg?v=1547881230)
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2142Amperage: 50AFeatures: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit...
View full details![Blue Sea 2141 Medium Duty Push Button Reset-Only - 40A [2141]](http://cemarine.com/cdn/shop/products/34987XL_512x512.jpg?v=1547881223)
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2141Amperage: 40AFeatures: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit...
View full details![Blue Sea 2140 Medium Duty Push Button Reset-Only - 30A [2140]](http://cemarine.com/cdn/shop/products/34986XL_512x512.jpg?v=1547881215)
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2140Amperage: 30AFeatures: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit...
View full details![Blue Sea 2139 Medium Duty Push Button Reset-Only - 20A [2139]](http://cemarine.com/cdn/shop/products/34984XL_512x512.jpg?v=1547881199)
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2139Amperage: 20AFeatures: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit...
View full details![Blue Sea 2138 Medium Duty Push Button Reset-Only - 15A [2138]](http://cemarine.com/cdn/shop/products/34983XL_512x512.jpg?v=1547881192)
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2138Amperage: 15AFeatures: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit...
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)
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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)
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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)
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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)
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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)...
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