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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You can also fill out the "Ask a question" form on the right or at the bottom of the page.
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1-2 weeks delivery time The Blue Sea 4016 Straight Terminal Cable Caps are PVC insulating caps designed to fit standard automotive battery posts, providing insulation for straight terminal connections. Suitable for 1, 2, and 4 AWG cables and supplied in red and black. |
$ 9.59
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1-2 weeks delivery time The Blue Sea 4017 Straight Terminal Cable Caps are PVC insulating caps designed to fit standard automotive battery posts, providing insulation for straight terminal connections. Suitable for 1/0 and 2/0 AWG cables and supplied in red and black. |
$ 11.97
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1-2 weeks delivery time The Blue Sea 4018 Dual Post CableCap (I/O Pair) is a red and black insulating cover set for in-line dual battery posts on top-mount marine batteries, supporting 1/0 AWG cables. Designed to prevent accidental grounding and compliant with ABYC E-9, USCG 33 Subpart I, and ISO 10133, suitable for environments up to 105 °C. |
$ 14.98
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1-2 weeks delivery time The Blue Sea 4026 AC Isolation Cover provides electrical insulation and mechanical protection for exposed panel backs and protruding components, covering objects up to 5-1/4" x 3-3/4" x 3". Lightweight, drillable construction meets ABYC requirements for panels combining AC and DC systems. |
$ 48.34
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1-2 weeks delivery time The Blue Sea 4112 Rocker Toggle Adapter enables installation of toggle-style circuit breakers into Blue Sea Systems 360 panels, providing mechanical compatibility with rocker-style panel cutouts. |
Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time The Blue Sea 4119 360 Panel Adapter allows 360 panel rocker switches to be installed in circuit breaker apertures of Blue Sea Systems 360 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 4125 Lockout Slide is a 2-position, 2-pole mechanical interlock that allows only one double-pole AC circuit breaker to be ON at a time, preventing power mixing between shore power, generator, or inverter sources. |
$ 29.43
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1-2 weeks delivery time The Blue Sea 4135 is a clear push button reset-only circuit breaker boot designed for thermal push button circuit breakers. It replaces the standard mounting nut and installs using a 3/8-27 UNS thread. The boot is manufactured from UV-resistant material to reduce discoloration and cracking. Supplied as two pieces per retail package. Weight: 0.04 lb (0.02 kg). |
$ 8.43
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1-2 weeks delivery time The Blue Sea 4136 is a white push button reset-only circuit breaker boot designed for thermal push button circuit breakers. It replaces the standard mounting nut and installs using a 3/8-27 UNS thread. Manufactured from UV-resistant material to resist discoloration and cracking. Supplied as two pieces per retail package. Weight: 0.04 lb (0.02 kg). |
$ 8.80
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1-2 weeks delivery time The Blue Sea 4137 is a black push button reset-only circuit breaker boot designed for thermal push button circuit breakers. It replaces the standard mounting nut and installs using a 3/8-27 UNS thread. Manufactured from UV-resistant material to resist discoloration and cracking. Supplied as two pieces per retail package. Weight: 0.04 lb (0.02 kg). |
$ 8.43
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1-2 weeks delivery time The Blue Sea 4138 is a black WeatherDeck® toggle switch boot designed to replace the dress nut on WeatherDeck™ panel switches. It is rated IP67 for temporary immersion up to 30 minutes and is manufactured from UV-resistant material to resist discoloration and cracking. The boot installs using a 15/32”-32 thread. Weight: 0.04 lb (0.02 kg). |
$ 7.72
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1-2 weeks delivery time The Blue Sea 4150 is an SPST ON-OFF WeatherDeck® toggle switch manufactured by Carling Technologies for use in Blue Sea Systems WeatherDeck® panels. When mounted with a WeatherDeck® toggle switch boot, it is rated IP67 for temporary immersion up to 30 minutes. The switch features nickel-plated brass and phenolic non-corrosive construction, quick connect terminals, and is rated up to 15A at 125V AC or 12V DC, and 10A at 250V AC. |
$ 13.19
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1-2 weeks delivery time The Blue Sea 4151 is an SPST WeatherDeck® toggle switch with (ON)-OFF momentary action, manufactured by Carling Technologies for use in Blue Sea Systems WeatherDeck® panels. When mounted with a WeatherDeck® toggle switch boot, it is rated IP67 for temporary immersion up to 30 minutes. The switch features nickel-plated brass and phenolic non-corrosive construction, quick connect terminals, and is rated up to 15A at 125V AC or 12V DC, and 10A at 250V AC. |
$ 13.19
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1-2 weeks delivery time The Blue Sea 4152 is an SPDT WeatherDeck® toggle switch with ON-OFF-ON operation, manufactured by Carling Technologies for use in Blue Sea Systems WeatherDeck® panels. When mounted with a WeatherDeck® toggle switch boot, it is rated IP67 for temporary immersion up to 30 minutes. The switch features nickel-plated brass and phenolic non-corrosive construction, three quick connect terminals, and is rated up to 15A at 125V AC or 12V DC, and 10A at 250V AC. |
$ 13.02
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1-2 weeks delivery time The Blue Sea 4153 is an SPDT WeatherDeck® toggle switch with (ON)-OFF-ON momentary action, manufactured by Carling Technologies for use in Blue Sea Systems WeatherDeck® panels. When mounted with a WeatherDeck® toggle switch boot, it is rated IP67 for temporary immersion up to 30 minutes. The switch features nickel-plated brass and phenolic non-corrosive construction, three quick connect terminals, and is rated up to 15A at 125V AC or 12V DC, and 10A at 250V AC. |
$ 13.50
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1-2 weeks delivery time The Blue Sea 4154 is an SPDT WeatherDeck® toggle switch with (ON)-OFF-(ON) momentary action, manufactured by Carling Technologies for use in Blue Sea Systems WeatherDeck® panels. When mounted with a WeatherDeck® toggle switch boot, it is rated IP67 for temporary immersion up to 30 minutes. The switch features nickel-plated brass and phenolic non-corrosive construction, three quick connect terminals, and is rated up to 15A at 125V AC or 12V DC, and 10A at 250V AC. |
$ 13.57
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1-2 weeks delivery time The Blue Sea 4155 is a DPDT WeatherDeck® toggle switch with ON-OFF-ON operation, rated IP67 for temporary immersion up to 30 minutes when used with a WeatherDeck® toggle switch boot. It features nickel-plated brass and phenolic non-corrosive construction and is rated for 5A at 30V DC, with six quick connect terminals for dual-circuit control. |
$ 28.63
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1-2 weeks delivery time The Blue Sea 4161 is a 10A push button LED ring switch with OFF-(ON) momentary operation for 12V DC systems. It supports SPST or SPDT wiring, normally open or normally closed configurations, independent LED power contacts, and IP67-rated sealing for marine environments. |
$ 39.97
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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.