Switching & Connectivity

In an electrical power system onboard a boat, the busbar is a bar of tin-plated copper that conducts electricity within a switchboard, distribution board, substation, battery bank, or other electrical apparatus. Blue Sea Bus Bars are marine protected...

Features Closed back design completely insulates power from the mounting surface Each screw pair is one isolated circuit Jumpers allow creation of common circuits Specifications Circuits 8 Length 5.50in (139.7 mm) Maximum Voltage 600V...

Features Closed back design completely insulates power from the mounting surface Each screw pair is one isolated circuit Jumpers allow creation of common circuits Specifications Circuits 4 Length 3.25in (82.55 mm) Maximum Voltage 600V...

Features Closed back design completely insulates power from the mounting surface Each screw pair is one isolated circuit Jumpers allow creation of common circuits Specifications Circuits 10 Length 6.63in (168.4 mm) Maximum Voltage 600V...

Features Great for limited space applications Strict quality control and thorough testing Offered at a reasonable price Exquisite craftsmanship and reliable design Specifications Maximum Voltage 48V DC Number of Screw Terminals 6 Terminal...

Features Closed back design completely insulates power from the mounting surface Each screw pair is one isolated circuit Jumpers allow creation of common circuits Specifications Circuits 8 Length 6.63in (168.4 mm) Maximum Voltage 600V...

These terminal blocks are used anywhere you need to connect wires together. Using a terminal block instead of butt connectors makes for a much neater junction that you can troubleshoot afterwards if necessary. These are standard duty blocks which are not...

These panel labels are made from tough, weatherproof Lexan® material. Available individually or in sets of commonly used circuits. These “large format” labels are used on all Blue Sea Systems toggle circuit breaker panels and ST-Glass...

Blue Sea Traditional 5 Position Metal DC Breaker Panel. Features All positive, negative and grounding buses installed, fully pre-wired Panels with meters include toggle switch for mounting up to 3 battery banks All panels with analog meters are owner...

Features All circuit label positions are backlit “ON” indicating LEDs installed in all circuit positions Includes 4206—Square Format Label Set Specifications Positions: 4 Nominal Voltage: 230V AC Maximum Amperage: 100A  Height:...

Features Designed for flybridge and open cockpit applications Panel front is rated IP66—Protected against powerful water jets Ignition protected—safe for installation aboard gasoline powered boats ON-OFF Contura Switches ON indicating LEDs...

Consolidated control and circuit protection for up to four bilge pumps. Features Designed for 12 or 24V DC systems Watertight mounting gasket Pre-wired for easy installation ON indicating LEDs embedded in all switches (ON)-OFF-ON Contura Switches and...

Designed for exposed mounting applications Illuminated 15A circuit breakers provide switching, “ON” indication and overcurrent protection Industry-standard sizes and mounting allow these panels to be easily retroftted in an existing...

Designed for exposed mounting applications Illuminated 15A circuit breakers provide switching, “ON” indication and overcurrent protection Industry-standard sizes and mounting allow these panels to be easily retroftted in an existing...

Every electric switch onboard has to meet the highest demands. Mastervolt offers a wide choice of stylish, waterproof switches for a range of onboard functions. All fully waterproof switches (IP66) supplied by Mastervolt are tested for frequent use at...

Every electric switch onboard has to meet the highest demands. Mastervolt offers a wide choice of stylish, waterproof switches for a range of onboard functions. All fully waterproof switches (IP66) supplied by Mastervolt are tested for frequent use at...

Every electric switch onboard has to meet the highest demands. Mastervolt offers a wide choice of stylish, waterproof switches for a range of onboard functions. All fully waterproof switches (IP66) supplied by Mastervolt are tested for frequent use at...

Every electric switch onboard has to meet the highest demands. Mastervolt offers a wide choice of stylish, waterproof switches for a range of onboard functions. All fully waterproof switches (IP66) supplied by Mastervolt are tested for frequent use at...

Every electric switch onboard has to meet the highest demands. Mastervolt offers a wide choice of stylish, waterproof switches for a range of onboard functions. All fully waterproof switches (IP66) supplied by Mastervolt are tested for frequent use at...

Every electric switch onboard has to meet the highest demands. Mastervolt offers a wide choice of stylish, waterproof switches for a range of onboard functions. All fully waterproof switches (IP66) supplied by Mastervolt are tested for frequent use at...

Every electric switch onboard has to meet the highest demands. Mastervolt offers a wide choice of stylish, waterproof switches for a range of onboard functions. All fully waterproof switches (IP66) supplied by Mastervolt are tested for frequent use at...

Every electric switch onboard has to meet the highest demands. Mastervolt offers a wide choice of stylish, waterproof switches for a range of onboard functions. All fully waterproof switches (IP66) supplied by Mastervolt are tested for frequent use at...

Every electric switch onboard has to meet the highest demands. Mastervolt offers a wide choice of stylish, waterproof switches for a range of onboard functions. All fully waterproof switches (IP66) supplied by Mastervolt are tested for frequent use at...

Convenience is a blessing: A Mastervolt waterproof switch is inserted into a weather-resistant installation sheath. Mount in the existing dashboard using sealant or glue or in the accompanying ready-made installation frame. Using such an installation...

Convenience is a blessing: A Mastervolt waterproof switch is inserted into a weather-resistant installation sheath. Mount in the existing dashboard using sealant or glue or in the accompanying ready-made installation frame. Using such an installation...

FireCAN is an electronic communication system allowing pumps and other equipment to be used via a central control panel on a firefighting truck. The MasterBus FireCAN Interface allows Mastervolt products to be linked into a FireCAN system...

Every electric switch onboard has to meet the highest demands. Mastervolt offers a wide choice of stylish, waterproof switches for a range of onboard functions. All fully waterproof switches (IP66) supplied by Mastervolt are tested for frequent use at...

The MasterBus CANopen Interface facilitates transparent, 2-way communication between MasterBus and the CANopen standard, which is adopted in many automotive and industrial automation applications. Functionality Programming of the MasterBus CANopen...

The Blue Sea 2356 100A BusBar provides secure water-resistant bussing for harsh marine environments. The single side design allows forvwire entry from one side to minimise footprint.  Features Water-resistant design with standard ring or spade type...

Blue Sea SPDT Remote Control Contura Switch - OFF-AUTO-ON supplied as standard with Blue Sea ML automatic charging relay models, 7620,7621,7622 & 7623. Features 3 Position  OFF-AUTO-ON LED suits 12/24v Vibration, shock, thermoshock, moisture...

Blue Sea waterproof dashboard switch, with LED illumination. Comes with the actuator fitted and includes gasket - Suits 12 & 24v. (ON) - Momentarilty on until switch is released.  SP and DP refer to single pole and double pole, ST and DT refer...

Blue Sea WeatherDeck® Switch Panels are waterproof and rated IP67 (for temporary immersion in water) and use materials that won't deteriorate in the harsh sun, salt, and water. Many small boats, which already have circuit protection and do not run at...

Blue Sea WeatherDeck® Switch Panels are waterproof and rated IP67 (for temporary immersion in water) and use materials that won't deteriorate in the harsh sun, salt, and water. Many small boats, which already have circuit protection and do not run at...

Blue Sea WeatherDeck® Switch Panels are waterproof and rated IP67 (for temporary immersion in water) and use materials that won't deteriorate in the harsh sun, salt, and water. Many small boats, which already have circuit protection and do not run at...

The Blue Sea L Series Solenoid, Model 9012 250A 12/24V is ideal for switching DC subpanels, thrusters, windlass, inverters and other medium-amp DC loads. L-Series Solenoid Switches are remotely activated using a low amp switch and smaller gauge wire...

The Blue Sea L Series Solenoid, Model 7765, 150A 12/24V is ideal for switching DC subpanels, thrusters, windlass, inverters and other medium-amp DC loads. L-Series Solenoid Switches are remotely activated using a low amp switch and smaller gauge wire...

Bluesea 7220 A-Series Black Toggle Circuit Breaker - Single Pole 30A. Features Meets american boat and yacht council (ABYC) standards The industry standard circuit breaker for Blue Sea Systems" electrical panels Combines switching and circuit protection...

Features Meets american boat and yacht council (ABYC) standards The industry standard circuit breaker for Blue Sea Systems" electrical panels Combines switching and circuit protection into a single device "Trip Free" design cannot be held "ON" during...

Blue Sea 12 volt DC Distribution Panel with 8 x A-Series Flat Rocker Circuit Breaker - Single Pole 15A. Specifications Positions: 8 Nominal Voltage: 12V DC Maximum amperage ratings are dependent on use of appropriately sized fuses and wire for a given...

Blue Sea DC Distribution Panel for 12 or 24v with 5 Supplied 15A Cicruit Breakers and 3 blank positions. Features 5 Supplied 15A Cicuit Breakers with position for 3 others of choice All positive, negative and grounding buses installed Fully...