Blue Sea

Blue Sea Systems is a trusted manufacturer of high-quality marine and vehicle electrical components. Known for their durability, safety, and precision engineering, Blue Sea products — including circuit breakers, fuse blocks, switches, and power distribution panels — provide reliable performance for demanding off-grid, marine, and automotive applications.

30 products

  • Blue Sea

    Blue Sea CableCap - Black 1.25 to 0.70 - 4015B-BSS

    Insulates single stud on alternators, starters, windlasses and high amperage termination pointsInsulate stud type connectors on alternators, starters,...
    £1.95
    £1.95
  • Blue Sea

    Blue Sea CableCap - Red 1.25 to 0.70 - 4014B-BSS

    Insulates single stud on alternators, starters, windlasses and high amperage termination pointsInsulate stud type connectors on alternators, starters,...
    £1.95
    £1.95
  • Blue Sea

    Blue Sea CableCap - Red 0.70 to 0.30 Stud - 4012B-BSS

    Insulates single stud on alternators, starters, windlasses and high amperage termination pointsInsulate stud type connectors on alternators, starters,...
    £1.50
    £1.50
  • Blue Sea

    Blue Sea CableCap - Black 0.70 to 0.30 Stud - 4011B-BSS

    Insulates single stud on alternators, starters, windlasses and high amperage termination pointsInsulate stud type connectors on alternators, starters,...
    £1.50
    £1.50
  • Blue Sea

    Blue Sea CableCap - Red 0.70 to 0.30 Stud - 4010B-BSS

    Insulates single stud on alternators, starters, windlasses and high amperage termination pointsInsulate stud type connectors on alternators, starters,...
    £1.50
    £1.50
  • Blue Sea

    Blue Sea e-Series Selector 3 Position Battery Switch with AFD - 11001B-BSS

    Switches a single battery to a single load groupIncludes AFD (Alternator Field Disconnect)Ignition protected—safe for installation aboard gasoline...
    £46.99
    £46.99