Blue Sea Systems Products: Precision and Reliability in Marine Electrical Components
Whether it's a surface-mounted power distribution panel or a common busbar, their products are designed with precision and reliability in mind. The A-series toggle switches, ANL and ATC fuses, ML-ACR and M-Series Mini relays, and specialty M2 OLED digital displays are just a few examples of their diverse product range catering to various marine needs.With features like ignition protection, high amperage capacity, and fast-charging capabilities, Blue Sea Systems ensures that their products meet the stringent requirements of specialty vehicle industries and marine applications. Their commitment to product quality and reliability makes them a trusted choice for power distribution panels and other electrical components in the boating industry.
Fast deliveries of yacht equipment, calculation, selection of analogues and spare parts. Send us your request and we will contact you ASAP with a solution. We deliver in Cyprus, throughout Europe and worldwide. More than 10 years of experience.
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1-2 weeks delivery time The Blue Sea 2723 is a DualBus Plus busbar combining positive and negative buses in a single block, rated for 150 A DC (130 A AC), supporting 300 V AC / 48 V DC, with 5 screw terminals and 2 stud terminals per bus, #10-32 screws, 5/16"-18 studs, and a clear polycarbonate snap-on cover. |
$ 58.27
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1-2 weeks delivery time The 285 - 70A Flush-Mounting Circuit Breaker is designed for reliable performance, featuring a thermally responsive bi-metal blade with a 70A amperage and a maximum voltage of 48V DC. It is panel-mounted and has an interrupt capacity of 3000A at 48V, with operational temperatures ranging from -40°C to 85°C. This Type III circuit breaker offers switchable/manual reset capabilities and accepts M6 terminal studs with a torque rating of 50 in-lb. Weighing just 0.50 lb, it is ideal for various applications and is manufactured by Blue Sea. |
$ 81.68
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1-2 weeks delivery time The 285-Series 100A Built-In Circuit Breaker is a reliable drop-in replacement for the 185-Series, featuring a visible reset lever, ignition protection for gasoline-powered boats, and compliance with SAE J1171 standards. Its weather-resistant design combines switching and circuit breaker functions in one unit, with a "Trip Free" feature that prevents it from being held closed after a trip. |
$ 81.68
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1-2 weeks delivery time The Blue Sea 3000 is a heavy-duty single-circuit ON/OFF battery switch rated for 500 A continuous, 900 A intermittent (5 min), and 1750 A cranking (30 s), supporting 32 V DC, with 1/2" (M12) terminal studs, accepting two 4/0 AWG (120 mm²) cables, and providing IP66 ignition-protected operation. |
$ 168.48
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Blue Sea 3001 – HD-Series Heavy Duty Battery Switch with AFD, Single Circuit ON/OFF, 500A Continuous
1-2 weeks delivery time The Blue Sea 3001 is a heavy-duty single-circuit ON/OFF battery switch with AFD (Alternator Field Disconnect), rated for 500 A continuous, 900 A intermittent (5 min), and 1750 A cranking (30 s), supporting 32 V DC, with 1/2" (M12) terminal studs, accepting two 4/0 AWG (120 mm²) cables, and providing IP66 ignition-protected operation. |
$ 192.51
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1-2 weeks delivery time The Blue Sea 3002 HD-Series Heavy Duty Selector Battery Switch is a 4-position selector switch designed to manage two isolated battery banks, allowing selection or combination of battery banks to all loads. It features a make-before-break contact design for uninterrupted power switching, supports up to 400A continuous current at 32V DC, and accepts 4/0 AWG (120 mm²) battery cables. The switch is ignition protected, IP66 rated, and suitable for surface or rear panel mounting on gasoline-powered boats. |
$ 175.50
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1-2 weeks delivery time The Blue Sea 3003 HD-Series Selector Battery Switch is a 4-position heavy-duty battery switch with integrated Alternator Field Disconnect (AFD) for two battery banks. Rated 400A continuous, 700A intermittent (5 min), 1600A cranking (30 s) at 32V DC, it features make-before-break contacts, battery combine function, and supports 4/0 AWG (120 mm²) cables. Ignition protected, IP66 rated, suitable for surface or rear panel mounting. |
$ 200.78
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1-2 weeks delivery time The Blue Sea 3091 C-Series ELCI Circuit Breaker is a double-pole 230VAC / 16A main breaker with 30 mA ground leakage trip, providing protection against short circuit, overload, and ground fault. Magnetic hydraulic, trip-free design with 5000A interrupt capacity, flat rocker actuator, ignition protected, and front panel mount for AC distribution panels. |
Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time The Blue Sea 4000 Stud Mount Insulating Boots are press-fit red insulating covers for 5/16" (M8) and 3/8" (M10) posts and studs, designed to quickly insulate conductive connections. Suitable for use with insulated ring terminals and lugs only on battery switches, bus bars, solenoids, ACRs, and power posts. |
$ 5.47
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1-2 weeks delivery time The Blue Sea 4003 Dual Entry Cable Cap is a red insulating cable cap designed to protect electrical connections from accidental short circuits, supporting dual cable entry up to 2/0 AWG. Features a top lid for quick access to the connection point. |
Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time The Blue Sea 4005 Standard Cable Caps are PVC insulating caps supplied as a small pair, designed to insulate battery terminals with marine adapter terminals installed. Suitable for 1, 2, and 4 AWG cables, providing protection against accidental short circuits. |
$ 9.61
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1-2 weeks delivery time The Blue Sea 4006 Standard Cable Caps are PVC insulating caps supplied as a large pair, designed to insulate battery terminals with marine adapter terminals installed. Suitable for 1/0 and 2/0 AWG cables, providing protection against accidental short circuits. |
$ 9.61
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1-2 weeks delivery time The Blue Sea 4010 CableCap is a red PVC insulating cap designed to insulate single studs on alternators, starters, windlasses, and other high-amperage termination points, supporting medium-gauge cables (4–8 AWG). |
$ 5.30
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1-2 weeks delivery time The Blue Sea 4011 CableCap is a black PVC insulating cap designed to insulate single studs on alternators, starters, windlasses, and other high-amperage termination points, supporting medium-gauge cables (4–8 AWG). |
$ 5.30
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1-2 weeks delivery time The Blue Sea 4012 CableCap is a red PVC insulating cap designed to insulate single 0.50" studs on alternators, starters, windlasses, and other high-amperage termination points, supporting large-gauge cables (1–2 AWG and 1/0–2/0 AWG). |
$ 6.64
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1-2 weeks delivery time The Blue Sea 4013 CableCap is a black PVC insulating cap designed to insulate single 0.50" studs on alternators, starters, windlasses, and other high-amperage termination points, supporting large-gauge cables (1–2 AWG and 1/0–2/0 AWG). |
$ 9.51
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1-2 weeks delivery time The Blue Sea 4014 CableCap is a red PVC insulating cap designed to insulate single studs (1.25–0.70) on alternators, starters, windlasses, and other high-amperage termination points, supporting 3/0 and 4/0 AWG cables. |
$ 4.33
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1-2 weeks delivery time The Blue Sea 4015 CableCap is a black PVC insulating cap designed to insulate single studs (1.25–0.70) on alternators, starters, windlasses, and other high-amperage termination points, supporting 3/0 and 4/0 AWG cables. |
$ 7.50
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What are the primary components of marine electrical systems, and how do they contribute to the functionality of a boat?
Marine electrical systems consist of several key components that are essential for the functionality of a boat. These components include fuse blocks, circuit breaker panels, toggle switches, terminal blocks, and busbars, among others. Fuse blocks and heavy duty circuit breaker panels provide crucial circuit protection, ensuring that electrical circuits are safeguarded against overloads and short circuits. Toggle switches and terminal blocks facilitate the operation and connection of various electrical devices and systems onboard, while busbars enable efficient power distribution throughout the vessel. Innovative electrical systems, such as those offered by Blue Sea Systems, are engineered to withstand marine conditions, providing water resistance and durability. These components collectively contribute to reliable power distribution, efficient circuit protection, and overall electrical system performance, ensuring the safety and functionality of the boat.
In addition to these essential components, marine electrical systems may also include specialized equipment like switch panels and battery chargers. A 12-circuit switch panel allows for convenient control over multiple electrical circuits, while heavy-duty battery chargers ensure efficient charging of onboard batteries. Remote battery switches provide convenient control over battery banks, enhancing operational flexibility. Surface-mounted powerbars serve as centralized distribution points for electrical connections, simplifying wiring and maintenance tasks. As a trusted supplier in the marine industry, Blue Sea Systems offers fast-charging solutions and ignition-protected components like the SI-ACR, ensuring safe and reliable operation. Single-pole components like the L-series, AMG, and MIDI fuses provide essential circuit protection, while wire gauges (AWG) are carefully selected to meet the reliability standards of boating applications For centralized safety and protection, consider integrating a Blue Sea Fuse Block into your setup.
Whether you're upgrading an existing setup or outfitting a new vessel, the inclusion of a Blue Sea Battery Switch ensures dependable power control and long-lasting performance in demanding marine environments.
How do fuse blocks, battery switches and circuit breaker panels enhance the safety and reliability of marine electrical systems?
Fuse blocks, battery switches, and circuit breaker panels significantly enhance the safety and reliability of marine electrical systems by offering structured, protected, and efficient power distribution. Built to endure harsh marine conditions, components from Blue Sea Systems Electrical—such as water-resistant fuse blocks and ignition-protected battery switches—ensure dependable performance over time.
Circuit protection devices like the ST blade fuse and 285-series circuit breaker safeguard against electrical overloads and short circuits, reducing the risk of onboard fires or equipment failure. Products like the 5026 and 6006 circuit breakers are engineered to withstand high loads and corrosive marine environments, while surface-mount fuse blocks and powerbars provide neat, space-saving solutions for circuit management.
These components are often key parts of the Blue Sea Add a Battery system, enabling optimized battery usage and protection. High-amperage ratings (e.g., 150 amps) and advanced features like the 7610 relay and 2104 switch—both ignition-protected—further elevate the safety standards of your vessel's electrical setup, offering peace of mind and operational reliability in any marine scenario.
What are the advantages of using specialty components like solenoid switches, busbar, terminal blocks, chargers and inverter systems in marine applications?
Specialty components like solenoid switches, busbars, terminal blocks, chargers, and inverter systems offer numerous advantages in marine applications, particularly when integrated into a well-designed Marine Wiring system. Solenoid switches enable reliable remote control of high-current circuits, making it easier to manage systems like lighting, pumps, and winches with minimal energy loss.
Heavy-duty solenoid switches are designed to withstand the rigorous demands of marine environments, offering robust performance and longevity. Surface-mount powerbars provide a convenient and organized solution for connecting multiple electrical devices, ensuring efficient power distribution throughout the vessel. With capabilities for fast charge and ignition-protected features, these components deliver reliable power management and safety, enhancing the overall functionality and performance of marine electrical systems.
For additional reliability and organization in your vessel's electrical setup, consider integrating a Blue Sea Terminal Block, ensuring secure and efficient connections in challenging marine environments.