Blue Sea Systems

Blue Sea 12 Volt Plug with Dash Socket Plug has a moisture proof sealing ring around the shaft to keep out spray and make it seat firmly in the outlet Plug features an"ON" indicating...

Blue Sea 12 Volt Socket Mounting Bracket Socket not included Plug and Socket Features: Designed to withstand the rigors of wet environments and constant vibration Large contact surfaces for...

Blue Sea 12 Volt Plug with Double Extension Socket Plug has a moisture proof sealing ring around the shaft to keep out spray and make it seat firmly in the outlet Plug features an"ON"...

Blue Sea 12 Volt Plug with Single Extension Socket Plug has a moisture proof sealing ring around the shaft to keep out spray and make it seat firmly in the outlet Plug features an"ON"...

Blue Sea Cable Clam with Stainless Steel Dress Cap 21mm Cable Provides a waterproof pass-through for antenna cables without requiring removal of the factory installed connector Pre-drilled and...

Blue Sea Cable Clam with Stainless Steel Dress Cap 35mm Cable Provides a waterproof pass-through for antenna cables without requiring removal of the factory installed connector A polished...

Blue Sea 12 Volt Plug incorporating a glass fuse internally. Moisture proof  sealing ring around the shaft to keep out spray and make it seat firmly in the outlet "ON" indicating LED Strain...

Blue Sea Side Entry Cable Clam 25mm Cable Provides a waterproof side entry for antenna cables without requiring removal of the factory installed connector. Simple one-piece design for easy side...

Blue Sea Side Entry Cable Clam with Stainless Steel Dress Cap 25mm Cable Provides a water resistant side entry for antenna cables without requiring removal of the factory installed connector...

Blue Sea System Submersible Temperature Sensor General temperature sensor designed to work for most applications.  Easy double sided tape instillation  Fully Submersible...

Blue Sea Systems m-LVD Low Voltage Disconnect Senses low battery voltage and automatically disconnects devices to save power for starting or to preserve battery life A dead battery is one of the...

Blue Sea Systems e-Series Dual Circuit Plus Battery Switch Features: Make-before-break contact design allows switching without power interruption Ignition protected - safe for installation...

Blue Sea Systems m-Series Mini On-Off Battery Switch with Key Ignition protected - safe for installation aboard gasoline powered boats Case design allows surface, front panel, or rear panel...

Blue Sea Systems M-Series On/Off Battery Switch with Locking Key 300 Amps continuous rating for outboards and small gasoline or diesel engines Tin-plated copper studs for maximum conductivity and...

Blue Sea Systems m-Series Mini Selector Battery Switch - 4 Position Part NumberENE-BS-6007200ENE-BS-6007 Switch Positions Yes Yes Battery Combine No No Alternator Field...

Blue Sea Systems m-Series Mini On-Off Battery Switch with Knob Ignition protected - safe for installation aboard gasoline powered boats Case design allows surface, front panel, or rear panel...

Blue Sea Systems m-Series Mini Selector Battery Switch - 3 Position Switches isolated battery banks to all loads or combines battery banks to all loads. Make before break contact design allows...

Blue Sea Systems m-Series Mini Dual Circuit Battery Switch Switch Positions 2 Battery Combine No Alternator Field Disconnect No Cranking Rating 10 Sec 1500A Cranking Rating 1 min...

Blue Sea Systems m-Series Mini Dual Circuit Plus Battery Switch Simultaneously switches two isolated battery banks or combines battery banks to all loads Make before break contact design allows...

Dual Battery Bank Traditional Metal Panel - Isolates Engine circuit from House circuit Allows independent battery control Allows emergency cross connect between isolated battery bank Protects...