Blue Sea Systems

The advantage of a resettable circuit breaker over a fuse is well known however people find circuit breakers more expensive and difficult to install. The new ST CLB Circuit Breaker Block solves this...

ST blade fuse block 6 circuit with cover is corrosion resistant, tin-plated copper fuse clips help reduce heat and improve the efficiency of the electrical system. Spare fuse holder in cover. Accepts...

ST glass 6 circuit fuse block with negative bus and cover features a clear insulating cover with label recesses for accept large format labels. Cover insulates all conductive parts, satisfying...

Panel front rated IP67 when properly mounted with watertight mounting gasket. P67 – protected against immersion up to 1 meter for 30 minutes. Designed for flybridge and open cockpit applications...

Many switch panels mounted on the dash or flybridge do not stand up to harsh marine environment. WeatherDeck Switch Panels are waterproof and rated IP67 (for temporary immersion in water) and use...

Many switch panels mounted on the dash or flybridge do not stand up to harsh marine environment. WeatherDeck Switch Panels are waterproof and rated IP67 (for temporary immersion in water) and use...

Blue Sea Systems' terminal blocks feature a closed back design which completely insulates power from the mounting surface. Each screw pair is one isolated circuit. Built with nylon base and...

Blue Sea Systems' terminal blocks feature a closed back design which completely insulates power from the mounting surface. Each screw pair is one isolated circuit. Built with nylon base and...

The industry standard busbar for positive distribution and the collection of negative or AC ground circuits. Maximum voltage is 300 volts AC, 48 volts DC. Products meet ABYC, NMMA, and Coast Guard...

Powerpost cable connector connects high amperage cables securely. 150 ampere bus allows small wire connections at high amperage cable connections. Maximum voltage is rated 48V DC.

Powerpost cable connector contains one 5/16"-18 and one 3/8"-16. Includes one black and one red insulator. Designed for outboard engine installation when factory cables need to be extended.

Blue Sea Systems' powerpost cable connector connects high amperage cables securely. Maximum voltage rating is 48V DC. Built for use in marine environments.

12V socket and plug features an "ON" indicating LED. Moisture proof sealing ring. Built-in strain relief and 10 Amp fuse. Socket features a watertight cap. Easy installation and interlocks with the...

Maximum cable diameter: 0.44" / Maximum Connector Diameter: 0.83". Acetal body with UV-stabilized thermoplastic ring and UV-stabilized Buna-N rubber. Blue Sea Systems prides itself on engineering...

Maximum cable diameter: 0.31" / Maximum Connector Diameter: 0.68". Acetal body with UV-stabilized thermoplastic ring and UV-stabilized Buna-N rubber. Blue Sea Systems prides itself on engineering...

Switches isolated battery banks to all loads or combines battery banks to all load. Make-before-break contact design allows switching between battery banks without power interruption. Products meet...

Switches isolated battery banks to all loads or combines battery banks to all load. Make-before-break contact design allows switching between battery banks without power interruption. Products meet...

Easy to install. Maximum amperage 100 amps per block, 30 amps per circuit. Maximum voltage is 32 volts of direct current (DC).

Easy to install. Maximum amperage 100 amps per block, 30 amps per circuit. Maximum voltage is 32 volts of direct current (DC).

Easy to install. Maximum amperage 100 amps per block, 30 amps per circuit. Maximum voltage is 32 volts of direct current (DC).

DualBus BusBar combines negative and positive buses in one block. Number of screw terminals is 10. Terminal type is #8-32 screw. Features continuous rating of 100A (2701).

The industry standard busbar for positive distribution and the collection of negative or AC ground circuits. Maximum voltage is 300 volts AC, 48 volts DC. Products meet ABYC, NMMA, and Coast Guard...

Blue Sea Systems' busbars features a maximum voltage rating of 300V AC/48V DC. Built with reinforced polycarbonate base with tin-plated copper CDA 110/UNS11000 bus. Continuous rating of 100 Amps.

Charge two mobile devices on the go. Made with corrosion resistant materials to ensure solid contact and low voltage drop. Maximum Output Current: 2.1A DC/Cut Out Dimensions: 1-1/8" dia. hole...

Blue Sea System's 12V sockets are made with marine-grade materials for optimal performance and reliability. Features watertight cap and easy installation, twist locks securely with plug. Designed to...