Blue Sea Systems

Blue Sea Systems E Series 4-Position Selector Battery Switch w/ AFD

Type: 1,2 Both, Off  Alternator Field Disconnect (AFD) allows switching while running the engine without damaging the alternator  350 Ampere continuous rating for inboard gasoline and...

Blue Sea Systems E-Series Dual Circuit Plus On-Off Battery Switch

Switches two battery banks simultaneously with one On/Off while maintaining battery bank isolation, minimizing the risk of a dead start battery  The "combine batteries" function offers the...

Blue Sea Systems L Series Solenoid Switch with Coil Economizer, 450 Amp

Hermetically sealed, waterproof, and vaporproof  Pulse circuit requires very low current draw when contact is closed  Amps: 450  Volts: 12/24

Blue Sea Systems ML Series 500 Amp Automatic Charging Relay - 12V

500 Amp magnetic latching (bi-stable) relay automatically combines batteries during charging and isolates batteries when discharging and when starting engine  Starts isolation (SI) can be...

Blue Sea Systems Standard Battery Cable Caps - Fits Cable Sizes 1/0, and 2/0

For batteries with marine adapter terminals added on  1 Pair of red and black caps  Fits cable sizes: 1/0 and 2/0

Blue Sea Systems Standard Battery Cable Caps - Fits Cable Sizes 4, 2, and 1

For batteries with marine adapter terminals added on  1 Pair of red and black caps  Fits cable sizes: 4, 2, and 1