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.
Email us: info@yacht-supply24.com or fill our Feedback form.
You can also fill out the "Ask a question" form on the right or at the bottom of the page.
|
1-2 weeks delivery time The Blue Sea PowerPost Plus 2103 is a termination post with a 3/8"-16 × 3/4" stud, rated for 150 A DC and 48 V DC, featuring a tin-plated copper bus, #8-32 screw terminals for smaller wires, and a terminal stud torque of 140 in-lb (15.82 Nm). |
$ 44.54
-
+
|
|
1-2 weeks delivery time The Blue Sea PowerBar 2104 is a high-current busbar with four 3/8"-16 terminal studs, rated for 600 A DC and 545 A AC, with a maximum voltage of 300 V AC / 48 V DC. It features a tin-plated copper bus (CDA 110 / UNS11000), a UL 94-V0 glass-reinforced thermoplastic base, and a terminal stud torque of 140 in-lb (15.82 Nm). |
$ 191.41
-
+
|
|
1-2 weeks delivery time The Blue Sea MaxiBus 2105 is a busbar rated for 250 A continuous current, with two 5/16"-18 stainless steel studs and twelve #10-24 screw terminals, supporting 300 V AC / 48 V DC. It features a tin-plated copper bus (CDA 110 / UNS 11000), a UL 94-V0 glass-reinforced thermoplastic base, recommended screw torque of 23 in-lb (2.6 N·m), and recommended stud torque of 132 in-lb (14.91 N·m). |
$ 98.28
-
+
|
|
1-2 weeks delivery time The Blue Sea PowerBar 2107 is a high-current busbar with eight 3/8"-16 terminal studs, rated for 600 A DC and 545 A AC, with a maximum voltage of 300 V AC / 48 V DC. It features a tin-plated copper bus (CDA 110 / UNS11000), a UL 94-V0 glass-reinforced thermoplastic base, and a terminal stud torque of 140 in-lb (15.82 Nm). |
$ 273.78
-
+
|
|
1-2 weeks delivery time The Blue Sea MaxiBus 2126 is a busbar rated for 250 A continuous current, featuring six 5/16"-18 stainless steel studs and supporting 300 V AC / 48 V DC. It uses a tin-plated copper bus (CDA 110 / UNS 11000), a UL 94-V0 glass-reinforced thermoplastic base, and has a recommended stud torque of 132 in-lb (14.91 N·m). |
$ 105.92
-
+
|
|
1-2 weeks delivery time The Blue Sea Circuit Breaker 2129 is a 3 A thermal circuit breaker with manual push-button reset only, rated for 32 V DC, featuring panel mount 3/8-27 UNS, #8 screw terminals, and an interrupt capacity up to 3000 A at 14.7 V and 2500 A at 28 V. It is ignition protected, trip-free, and operates within -10 °C to 60 °C. |
$ 15.24
-
+
|
|
1-2 weeks delivery time The Blue Sea Circuit Breaker 2130 is a 5 A thermal circuit breaker with manual push-button reset only, rated for 32 V DC, featuring panel mount 3/8-27 UNS, #8 screw terminals, and an interrupt capacity of 3000 A at 14.7 V and 2500 A at 28 V. It is trip-free, ignition protected, and operates within -10 °C to 60 °C. |
$ 14.58
-
+
|
|
1-2 weeks delivery time The Blue Sea Circuit Breaker 2131 is a 7 A thermal circuit breaker with manual push-button reset only, rated for 32 V DC, featuring panel mount 3/8-27 UNS, #8 screw terminals, and an interrupt capacity of 3000 A at 14.7 V and 2500 A at 28 V. It is trip-free, ignition protected, and operates within -10 °C to 60 °C. |
$ 15.24
-
+
|
|
1-2 weeks delivery time The Blue Sea Circuit Breaker 2132 is a 10 A thermal circuit breaker with manual push-button reset only, rated for 32 V DC, featuring panel mount 3/8-27 UNS, #8 screw terminals, and an interrupt capacity of 3000 A at 14.7 V and 2500 A at 28 V. It is trip-free, ignition protected, and operates within -10 °C to 60 °C. |
$ 15.24
-
+
|
|
1-2 weeks delivery time The Blue Sea Circuit Breaker 2133 is a 15 A thermal circuit breaker with manual push-button reset only, rated for 32 V DC, featuring panel mount 3/8-27 UNS, #8 screw terminals, and an interrupt capacity of 3000 A at 14.7 V and 2500 A at 28 V. It is trip-free, ignition protected, and operates within -10 °C to 60 °C. |
$ 15.24
-
+
|
|
1-2 weeks delivery time The Blue Sea Circuit Breaker 2134 is a 20 A thermal circuit breaker with manual push-button reset only, rated for 32 V DC, featuring panel mount 3/8-27 UNS, #8 screw terminals, and an interrupt capacity of 3000 A at 14.7 V and 2500 A at 28 V. It is trip-free, ignition protected, and operates within -10 °C to 60 °C. |
$ 15.24
-
+
|
|
1-2 weeks delivery time The Blue Sea Circuit Breaker 2135 is a 25 A thermal circuit breaker with manual push-button reset only, rated for 32 V DC, featuring panel mount 3/8-27 UNS, #8 screw terminals, and an interrupt capacity of 3000 A at 14.7 V and 2500 A at 28 V. It is trip-free, ignition protected, and operates within -10 °C to 60 °C. |
$ 15.24
-
+
|
|
1-2 weeks delivery time The Blue Sea Circuit Breaker 2136 is a 30 A thermal circuit breaker with manual push-button reset only, rated for 32 V DC, featuring panel mount 3/8-27 UNS, #8 screw terminals, and an interrupt capacity of 3000 A at 14.7 V and 2500 A at 28 V. It is trip-free, ignition protected, and operates within -10 °C to 60 °C. |
$ 15.24
-
+
|
|
1-2 weeks delivery time The Blue Sea Circuit Breaker 2137 is a 40 A thermal circuit breaker with manual push-button reset only, rated for 32 V DC, featuring panel mount 3/8-27 UNS, #8 screw terminals, and an interrupt capacity of 3000 A at 14.7 V and 2500 A at 28 V. It is trip-free, ignition protected, and operates within -10 °C to 60 °C. |
$ 15.24
-
+
|
|
1-2 weeks delivery time The Blue Sea Circuit Breaker 2142 is a medium-duty, weatherproof thermal circuit breaker rated at 50 A, supporting 120 V AC and 32 V DC, with manual push-button reset only, #10-32 stainless steel terminal studs, terminal stud torque of 30 in-lb (3.39 Nm), and an interrupt capacity of 3000 A at 120 V AC and 5000 A at 32 V DC. |
$ 89.46
-
+
|
|
1-2 weeks delivery time The Blue Sea 2146 is an SPDT remote control Contura switch with momentary ON-OFF-ON action, featuring a red actuator, designed for operation in environments resistant to vibration, shock, thermoshock, moisture, and salt spray, with a weight of 0.09 lb (0.04 kg). |
$ 42.52
-
+
|
|
1-2 weeks delivery time The Blue Sea 2151 is a dual MRBF terminal fuse block rated up to 300 A at 58 V DC, designed for high-current DC circuits, featuring M8 (5/16") terminal studs, maximum torque of 75 in-lb (8.47 Nm), support for 5/16" ring terminals, and an insulating cap to prevent accidental shorts; fuse sold separately. |
$ 63.03
-
+
|
|
1-2 weeks delivery time The Blue Sea 2201 is a terminal feed-through connector rated at 250 A and 48 V DC, featuring 5/16"-18 studs, a tin-plated copper alloy stud, reinforced thermoplastic base, recommended torque of 100 in-lb (11.3 N·m), and an IP66 rating for use when routing high-current cables through hulls, decks, and bulkheads. |
$ 37.59
-
+
|
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.