Blue Sea Systems

12VDC Automatic Charging Relay, MFG# 7622, Automatically manages the charging of two large battery banks, Allows paralleling of battery banks for emergency starting, 500 A continuous rating, includes...

Add-A-Battery Kit w/ ACR, MFG# 7650003, Battery switch with Automatic Charge Realy/Start Isolator controls charging to second battery and disconnects during starting. For alternators up to 120 Amps.

7700 Includes ML-Series Remote Control Contura Switch 2145 Manual control switch provides an added level of safety allowing control with or without power, and offering "Locked Off" capability for...

CableClam .63"Connector Opening (in):   0.63Features:Perfect for antenna installationWaterproof co-axial installation without removing connectorsSave the expense of removing and replacing...

1002 Cable Clam 0.8" Features:Perfect for antenna installationWaterproof co-axial installation without removing connectorsSave the expense of removing and replacing connectorsAvoid poor...

1003 CableClam 1.39" Features:Perfect for antenna installationWaterproof co-axial installation without removing connectorsSave the expense of removing and replacing connectorsAvoid poor...

Side Entry CableClamProvides a waterproof side entry for antenna cables without requiring removal of the factory installed connector.Features: Simple one-piece design for easy side mount...

1010Features:Moisture proof sealing ring around the shaft to keep out spray and make it seat firmly in the outlet "ON" indicating LED Strain relief Built-in 10 Amp fuse Designed to withstand the...

Single Plug with Single Socket ExtensionFeatures: Plug has a moisture proof sealing ring around the shaft to keep out spray and make it seal firmly in the outlet Plug features an "ON" indicating...

1014 Mounting Bracket f/1011 12V SocketSocket not includedFeatures: Designed to withstand the rigors of wet environments and constant vibration Large contact surfaces for good electrical connection...

12/24V Dual USB Charger - 1-1/8" Socket MountIntelligent device recognition allows rapid charging of phones, tablets, or other mobile devicesCharges at the speed required by specific devicesInternal...

1058 DIN AC DIN Ammeter - 0 to 50A with CoilFeatures:Standard European 72mm designWhite matte dial with black printed scale and knife-edge pointerBacklit meter face (separate 12 or 24V DC backlight...

e-Series Selector 3 Position Battery Switch with AFDAFD: YesBattery Combiner: NoFeatures:Make-before-break contact design allows switching between battery banks without power interruption CE Marked...

11003Features:Meets American Boat and Yacht Council (ABYC) requirements for battery switches Ignition protected safe for installation aboard gasoline powered boats Case design allows surface or rear...

DC M-Series Black Panel SquareSuitable for mounting M-Series Battery SwitchesWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State...

Remote Control Panel w/(2)2145 & (1)2146 Remote Control Contura SwitchFeatures:Lockout slides reduce the risk of accidental switchingFor use with two ML-Series Switches and one ML-Series Automatic...

ELCI Main 30A Double Pole + 4 Positions HorizontalFeatures:One 30A AC ELCI Main Residual Current Circuit Breaker, leakage trip amperate - 30 mAELCI provides overcurrent and leakage protection per...

1011Features:Features watertight cap, easy installation, and twist locks securely with plug Designed to withstand the rigors of wet environments and constant vibration Large contact surfaces for...

12V Dash Socket - WhiteFeatures:Watertight cap, easy installation and twist locks securely with plugDesigned to withstand the rigors of wet environments and constant vibrationLarge contact surfaces...

12 Volt DC 8 Position - VerticalFeatures:4 to 32 branch circuits with installed 15 Ampere circuit breakersAvailable with voltmeters, ammeters, and digital multimetersIncludes 4205-Square Format...

120 Volt AC 4 PositionFeatures:All circuit label positions are backlit"ON" indicating LEDs installed in all circuit positions Includes 4206-Square Format Label SetSpecifications:Positions: 4Nominal...

12 Volt DC 12 PositionFeatures:4 to 32 branch circuits with installed 15 Ampere circuit breakersAvailable with voltmeters, ammeters, and digital multimeters Includes 4205-Square Format Label...

120 Volt AC 8 PositionFeatures:All circuit label positions are backlit"ON" indicating LEDs installed in all circuit positions Includes 4206-Square Format Label SetSpecifications:Positions: 8Nominal...

12V DC Dual USB Charger Socket - WhiteEasy to install in existing 12V DC socket hole providing convenient access for charging mobile devices.Specs: Maximum Output Current: 2.1A DC Cut Out...

12V DC USB ExtensionControl your stereo in the cabin from your mobile device in the cockpit. USB 2.0 data inlet easily mounts at the dash with a prewired connecting cable that conveniently plugs...

1331 AC Insulating Cover for 1 ModuleFeatures:Isolation of 360 panel AC components and circuits from DC system elementsMeets ABYC safety requirements for panels with combined AC and DC loadsProvides...

M-Series Dual Circuit Plus™, Main + 3 Positions CLB VerticalFeatures:Push Button Reset-Only Branch Circuit Breakers provide economical high-density circuit protection when switching is provided...

8 Position Switch CLB HorizontalFeatures:Available with voltmeters and ammetersPanels with meters include a toggle switch to monitor voltage on up to three battery banksIncludes 4205-Square Format...

12 Position Switch CLB + Meter SquareFeatures:Available with voltmeters and ammetersPanels with meters include a toggle switch to monitor voltage on up to three battery banksIncludes 4205-Square...

1482 120V AC Rotary 30A OFF + 3 SourcesFeatures:Switches three 120V AC sourcesRed reverse polarity LED indicatorsGreen power available LED indicatorsSpecifications:Source Selection: 3Nominal...

ELCI Main 30A Double Pole PanelFeatures:One 30A AC ELCI Main Residual Current Circuit Breaker, leakage trip amperate - 30 mAELCI provides overcurrent and leakage protection per ABYC E-11 for whole...

1510 Gauge Panel for Round GaugesDesigned to provide an easy method for mounting gauges that provide critical functions.Features:Heavy 1/8" aluminum 5052 alloyUV stabilized thermoplastic...

360 Panel - M2 Monitor Panel Blank1 x 1 360 Panel System module mounts any M2 Monitor and matches existing 360 panelsWARNING: This product can expose you to chemicals including...

Mini OLED AmmeterMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screenCompact size enables mounting in any convenient locationReverse polarity...

Mini OLED DC VoltmeterMonitors DC voltage on a bright, waterproof, daylight readable OLED screenCompact size enables mounting in any convenient locationIP66 waterproofReverse polarity...

Mini OLED Temperature MeterMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screenCompact size enables mounting in any convenient locationReverse...

1800Features:Three intuitive display modes Flexible case design offers three mounting options Fully programmable legends and adjustable alarm functions can be customized to fit every boat Monitors...

VSM 422 Battery Temperature Sensor For use with the Vessel Systems Monitor VSM 422 Corrosion resistant Fully sealed Compact WARNING: This product can expose you to chemicals including...

Universal Temperature SensorUse with the P12 Charger, M2 OLED, and Mini OLED MetersIncludes double-sided tapeWaterproof designTemperature Range: -40°F to 300°F (-40°C to...

M2 DC SoC State of Charge MonitorAccurately measure and monitor the state-of-charge of your batteries. Supports programmable shunt ratios.Features: Auto-dimming, bright OLED display is easy to read...

M2 DC VoltmeterMonitors DC Voltage on large, bright display. Accurately measures and monitors the voltage of up to three batteries.Features: Auto-dimming, bright OLED display is easy to read Easy to...

M2 DC MultimeterAccurately measures and monitors the voltage of two batteries and the current of 1 circuit. Supports programmable shunt ratios.Features: Auto-dimming, bright OLED display is easy to...

M2 AC AmmeterMonitors AC Amperage on large, bright display. Supports programmable current transformer ratios. Accurately measure and alarm the amperage of your AC system. (measures 2 independent...

M2 AC MultimeterMonitors AC Amps, Volts, Hzs on large, bright display. Supports programmable current transformer ratios. Accurately measure and monitor AC amperage, voltage and Hz. (measures 2...

1842 M2 OLED Digital Bilge MeterThe M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto-dimming display. The M2 Monitors include a...

PowerPost High Amperage Cable Connector 1/4" StudFeatures:Connects high amperage cables securelyGlass-Reinforced Nylon48 Volts DC MaximumNot rated - Amperage flows between terminals stacked on post...

2002 PowerPost High Amperage Cable Connector 5/16" Stud Insulated single stainless steel stud terminates multiple large conductors.Features:Connects high amperage cables securelyStud...

2003 PowerPost High Amperage Cable Connector 3/8" StudInsulated single stainless steel stud terminates multiple large conductors.Features:Connects high amperage cables securelyStud dimensions: 3/8"...

PowerPost High Amperage Cable Connector #10 StudFeatures: Insulated single stainless steel stud terminates multiple large conductorsConnects high amperage cables securelyStud dimensions: #10-32...

2011 PowerPost Mini High Amperage Cable Connector - 1/4" StudInsulated single stainless steel stud terminates multiple large conductors.Features:Connects high amperage cables securelyStud...

Dual PowerPost ConnectorsDesigned for connecting high amp conductorsIncludes one black and one red insulatorWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate...

Dual PowerPost ConnectorsDesigned for connecting high amp conductorsIncludes one black and one red insulatorWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate...

Dual PowerPost ConnectorsDesigned for outboard engine installation when factory cables need to be extendedIncludes one black and one red insulatorWARNING: This product can expose you to chemicals...

PowerBar Common BusBarTerminal Studs: 2x3/8"-16Provides compact high-ampere busing with 3/8" terminal studsWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate...

PowerBar Dual BusBar - Two 3/8"-16 StudsProvides compact high-ampere busing with 3/8" terminal studsSpecifications:Maximum Amperage: 200AMaximum Voltage: 48V DCNumber of Terminal Studs: 2Terminal...

2101 PowerPost Plus Cable Connector - 1/4" StudEnables connection of multiple smaller wires in spaces where a traditional bus bar may not fit.Features:150AMP bus allows small wire connections at...

2102 PowerPost Plus Cable Connector - 5/16" StudEnables connection of multiple smaller wires in spaces where a traditional bus bar may not fit.Features:150 Ampere bus allows small wire connections...

2103 PowerPost Plus Cable Connector 3/8" Stud Enables connection of multiple smaller wires in spaces where a traditional bus bar may not fit.Features:150 Ampere bus allows small wire...

2104 PowerBar 600AMP Cable Connector 4 x 3/8 16 Stud TerminalSpecifications:Max Voltage: 300 V AC/48 V DCNumber of Terminal Studs: 4Terminal Type: 3/8" - 16 StudWARNING: This product can expose you...

2105 MaxiBus 250AMP Common BusBars 12 x #10 Terminal ScrewsBusbars are used to consolidate multiple wires or feed multiple circuits.Features:Insert molded stainless steel studs eliminate need for...

2107 PowerBar 600AMP Cable Connector - 8 x 3/8" 16 Stud TerminalSpecifications:Maximum Voltage: 300 V AC/48V DCNumber of Terminal Studs: 8Terminal Type: 3/8" - 16 StudWARNING: This product can...

6 x 5⁄16- 18 Stud TerminalPart# 2126 SpecificationsContinuous Amperage 250 Amperes AC/DCVoltage Rating 300 Volts AC Maximum / 48 Volts DC MaximumBus Material Tin-Plated Copper CDA 110 / UNS...

4 x 5⁄16- 18 Stud TerminalPart# 2127 SpecificationsContinuous Amperage 250 Amperes AC/DCVoltage Rating 300 Volts AC Maximum / 48 Volts DC MaximumBus Material Tin-Plated Copper CDA 110 / UNS...

2 x 5⁄16"- 18 Stud Terminal6 x#10-24 Terminal Screws Part# 2128 SpecificationsContinuous Amperage 250 Amperes AC/DCVoltage Rating 300 Volts AC Maximum / 48 Volts DC MaximumBus Material...

2138Amperage: 15AFeatures:Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit protection configurations Push-to-reset operation "Trip...

2145Pole/Throw: SPDTAction: (ON) OFF (ON)Features:Vibration, shock, thermoshock, moisture and salt spray resistantWARNING: This product can expose you to chemicals including...

2146Pole/Throw: SPDTAction: ON OFF ONFeatures:Vibration, shock, thermoshock, moisture and salt spray resistantWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate...

2151Features:New isolated stud design uses standard 5/16" hardware and permits stacking of terminals Compact, high-amp fuse-Appropriate for DC Main, inverter, windlass, and bow thruster circuit...

Remote Control Contura Switch Vibration, shock, thermoschock, moisture and salt spray resistant Meets UL 1500 and ISO 8846 external ignition protection requirements IP67 - temporary immersion for 30...

Terminal Feed Through ConnectorsEliminates chage and provides strain relief when passing high current through hulls, decks and bulkheads.Features:Perfect for passing high current cables through...

Terminal Feed Through ConnectorsEliminates chage and provides strain relief when passing high current through hulls, decks and bulkheads.Features:Perfect for passing high current cables through...

Terminal Feed Through ConnectorsEliminates chage and provides strain relief when passing high current through hulls, decks and bulkheads.Features:Perfect for passing high current cables through...

2300 150AMP Common BusBar 10 x #8-32 Screw Terminal with CoverFeatures:Stud design provides direct terminal to bus contact for low resistant connectionStainless steel studs and screws allow high...

2301 150AMP Common BusBar 10 x #8-32 Screw Terminal Features:Stud design provides direct terminal to bus contact for low resistant connectionStainless steel studs and screws allow high...

2302 150AMP Common BusBar 20 x 8-32 Screw TerminalFeatures:The industry standard busbar for positive distributionThe industry standard busbar for the collection of negative or AC ground...

2303 150AMP Common BusBar 4 x 1/4" Stud TerminalFeatures:Stud design provides direct terminal to bus contact for low resistant connectionStainless steel studs allow high torquing for excellent...

2304 MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw TerminalFeatures:Great for limited space applications in electronics cabinets and under dashboardsWARNING: This product can expose you to...

2305 MiniBus 100 Ampere Common BusBar 4 x 10-32 Stud TerminalFeatures:Great for limited space applications in electronics cabinets and under dashboardsWARNING: This product can expose you to...

2307 Common 150A BusBar - (4) 1/4"-20 Studs w/CoverFeatures:The industry standard busbar for positive distributionThe industry standard busbar for the collection of negative or AC ground...

150 Ampere Common Busbar 20 x 8-32 Screw Terminal with CoverPN:   2312Stud design provides direct terminal to bus contact for low resistant connectionStainless steel studs and screws...

MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw Terminal with CoverPN:   2314Great for limited space applications in electronics cabinets and under dashboardsSnap on insulating cover...

MiniBus 100 Ampere Common BusBar 4 x 10-32 Stud Terminal with CoverPN:  2315Great for limited space applications in electronics cabinets and under dashboardsSnap on insulating cover...

Battery Terminal Mount BusBarsEasy to install.Specifications: Maximum Voltage: 32V DC Continuous Rating: 100A DC Bus Material: Tin-Plated Copper C11000 Mounting Hole: Clearance for 3/8 [M10] stud...

2402 Terminal Black 20AMP - 2 CircuitFeatures:Closed back design completely insulates power from the mounting surfaceEach screw pair is 1 isolated circuitJumpers allow creation of common...

2404 Terminal Black 20AMP - 4 CircuitFeatures:Closed back design completely insulates power from the mounting surfaceEach screw pair is 1 isolated circuitJumpers allow creation of common...

2406 Terminal Block 20AMP - 6 CircuitFeatures:Closed back design completely insulates power from the mounting surfaceEach screw pair is 1 isolated circuitJumpers allow creation of common...

2408 Terminal Block 20AMP - 8 CircuitFeatures:Closed back design completely insulates power from the mounting surfaceEach screw pair is 1 isolated circuitJumpers allow creation of common...

2410 Terminal Block 20AMP - 10 CircuitFeatures:Closed back design completely insulates power from the mounting surfaceEach screw pair is 1 isolated circuitJumpers allow creation of common...

2502 Terminal Block 30AMP - 2 CircuitFeatures:Closed back design completely insulates power from the mounting surfaceEach screw pair is 1 isolated circuitJumpers allow creation of common...

2504 Terminal Block 3AMP - 4 CircuitFeatures:Closed back design completely insulates power from the mounting surfaceEach screw pair is 1 isolated circuitJumpers allow creation of common...

2506 Terminal Block 30AMP - 6 CircuitFeatures:Closed back design completely insulates power from the mounting surfaceEach screw pair is 1 isolated circuitJumpers allow creation of common...

2508 Terminal Block 30AMP - 8 CircuitFeatures:Closed back design completely insulates power from the mounting surfaceEach screw pair is 1 isolated circuitJumpers allow creation of common...

2510 Terminal Block 30AMP - 10 CircuitFeatures:Closed back design completely insulates power from the mounting surfaceEach screw pair is 1 isolated circuitJumpers allow creation of common...

2512 Terminal Block 30AMP - 12 CircuitFeatures:Closed back design completely insulates power from the mounting surfaceEach screw pair is 1 isolated circuitJumpers allow creation of common...

2602 Terminal Block 65AMP - 2 CircuitFeatures:Closed back design completely insulates power from the mounting surfaceEach screw pair is 1 isolated circuitJumpers allow creation of common...

2604 Terminal Block 65AMP - 4 CircuitFeatures:Closed back design completely insulates power from the mounting surfaceEach screw pair is 1 isolated circuitJumpers allow creation of common...

Terminal Block 65AMP - 6 CircuitFeatures:Closed back design completely insulates power from the mounting surfaceEach screw pair is 1 isolated circuitJumpers allow creation of common circuitsWARNING:...

2608 Terminal Block 65AMP - 8 CircuitFeatures:Closed back design completely insulates power from the mounting surfaceEach screw pair is 1 isolated circuitJumpers allow creation of common...

2610 Terminal Block 65AMP - 10 CircuitFeatures:Closed back design completely insulates power from the mounting surfaceEach screw pair is 1 isolated circuitJumpers allow creation of common...

2701 DualBus 100 Ampere Common BusBars 5 x 8-32 Screw TerminalFeatures:Combines negative and positive buses on one blockWARNING: This product can expose you to chemicals including...