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 8220 is a gray Contura III DPDT switch with ON-OFF-ON action for dual-circuit marine control, commonly used for combining navigation and anchor lights with a shared bulb. Designed for Blue Sea Systems water-resistant panels, it is vibration, shock, thermoshock, moisture, and salt spray resistant, ignition protected, and certified to UL1500 and ISO 8846. Rated 20A at 12V and 15A at 24V, with two embedded LEDs (18 mA operating current, LED active in ON position), sealed with internal and external gaskets, operating from −40°C to +85°C. Weight 0.09 lb (0.04 kg). |
$ 34.24
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1-2 weeks delivery time The Blue Sea 8230 is a gray Contura III SPST OFF-ON switch designed for Blue Sea Systems water-resistant panels and marine lighting circuits. It is vibration, shock, thermoshock, moisture, and salt spray resistant, ignition protected, and certified to UL1500 and ISO 8846. Rated 20A at 12V and 15A at 24V, with one embedded LED (18 mA operating current, LED active in ON position), internal and external gasket seals, and operating range −40°C to +85°C. Weight 0.09 lb (0.04 kg). |
$ 23.99
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1-2 weeks delivery time The Blue Sea 8231 is a gray Contura III SPST switch with OFF-(ON) momentary action, designed for Blue Sea Systems water-resistant panels and control circuits such as horns or windshield wipers. It is vibration, shock, thermoshock, moisture, and salt spray resistant, ignition protected, and certified to UL1500 and ISO 8846. Rated 20A at 12V and 15A at 24V, with no embedded LEDs, internal and external gasket seals, and operating range −40°C to +85°C. Weight 0.09 lb (0.04 kg). |
$ 22.94
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1-2 weeks delivery time The Blue Sea 8232 is a gray Contura III SPDT switch with ON-OFF-ON action for dual-circuit marine control, commonly used for combining navigation and anchor lights with independent bulbs. Designed for Blue Sea Systems water-resistant panels, it is vibration, shock, thermoshock, moisture, and salt spray resistant, ignition protected, and certified to UL1500 and ISO 8846. Rated 20A at 12V and 15A at 24V, with two embedded LEDs (18 mA operating current, LED active in ON position), internal and external gasket seals, and operating range −40°C to +85°C. Weight 0.09 lb (0.04 kg). |
$ 25.31
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1-2 weeks delivery time The Blue Sea 8233 Contura III switch is an SPDT gray rocker with (ON)-OFF-ON action, featuring a momentary ON position and designed for bilge pump and dual-mode circuit control. Rated 20A at 12V and 15A at 24V, it is ignition protected and built for Blue Sea Systems water-resistant panels. The switch is resistant to vibration, shock, moisture, salt spray, and thermoshock, includes one embedded LED (18 mA, active in ON position), and operates from −40°C to +85°C. Weight 0.09 lb (0.04 kg). |
$ 31.78
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1-2 weeks delivery time The Blue Sea 8234 Contura III switch is an SPDT gray rocker with (ON)-OFF-(ON) momentary action on both sides, designed for windlass, trim tabs, and powered hatches. Rated 20A at 12V and 15A at 24V, it is built for Blue Sea Systems water-resistant panels and is ignition protected for gasoline powered boats. The switch is resistant to vibration, shock, thermoshock, moisture, and salt spray, operates from −40°C to +85°C, has no embedded LEDs, and includes internal and external gasket seals. Weight 0.09 lb (0.04 kg). |
$ 30.72
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1-2 weeks delivery time The Blue Sea 8235 is a DC digital voltmeter with 0–60V measuring range for 12V, 24V, 32V, 36V, and 42V DC systems. It features a splashproof front, three display brightness levels, and manual sleep mode for power saving. Input voltage 7–60V DC (meter powered by 8–32V supply for standard systems). Maximum power consumption up to 1 W depending on brightness and mode. Weight 0.45 lb (0.2 kg). |
$ 364.26
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1-2 weeks delivery time The Blue Sea 8236 is a DC digital ammeter with a measuring range from −500A to +500A, designed for 8–32V DC systems. It includes a 500A shunt and features a splashproof front, three display brightness levels, and manual sleep mode for reduced power consumption. Standard configuration measures on the negative side of the circuit; a shunt shifter is required for positive-side installations such as alternators. Maximum power consumption up to 1 W. Weight approx. 0.5 kg. |
$ 432.28
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1-2 weeks delivery time The Blue Sea 8237 AC Digital Voltmeter measures AC voltage from 80 to 270V and is designed for 120V and 240V single-phase systems. It features a splashproof front, three selectable display brightness levels, and manual sleep mode for power saving. Character height 14.29 mm. Maximum power consumption up to 1 W depending on display settings. Weight approx. 0.33 kg. |
$ 432.28
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1-2 weeks delivery time The Blue Sea 8238 AC Digital Ammeter measures AC current from 0 to 150A for 120V and 240V single-phase systems. Supplied with a current transformer, it features a splashproof front, three display brightness levels, and manual sleep mode for reduced power consumption. Character height 14.29 mm. Power consumption up to 1 W. Weight approx. 0.33–0.35 kg. |
$ 526.66
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1-2 weeks delivery time The Blue Sea 8240 DC Voltmeter measures voltage in the 18–32V DC range and is designed for panel mounting with a 2.75" (69.85 mm) face size. It uses a simple 4-wire connection and features an internal shunt. The meter includes a backlit face with separate 12V or 24V DC backlight connections. Meter current is 1 mA at full scale. Weight 0.11 kg. |
$ 76.14
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1-2 weeks delivery time The Blue Sea 8247 AC Digital Multi-Function Meter measures AC current (0–150A), voltage (80–270V), power (0–35kW), and frequency (40–90Hz) in single-phase 120/240V systems. Includes high/low voltage and high current alarms with audio and visual alerts. Splashproof front, programmable sleep mode, and adjustable display brightness. Supplied with 150A current transformer. |
$ 613.40
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1-2 weeks delivery time The Blue Sea 8248 DC Digital Multi-Function Meter measures DC current from −500 to +500A and voltage from 0 to 60V with 0.01V resolution. Designed for 12–42V DC systems, it features programmable high/low voltage alarms with audio and visual alerts, adjustable display brightness, and programmable sleep mode. Splashproof front design. Includes 500A shunt and operates on the negative side of the circuit (shunt shifter required for positive-side installations). |
$ 556.77
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1-2 weeks delivery time The Blue Sea 8259 is a 3-position Contura switch mounting panel designed for Contura and Contura II/III switches. It supports panel thicknesses from 0.06" to 0.38" and provides a fixed multi-switch mounting solution for marine and vehicle control panels. Weight: 0.07 kg. |
$ 13.22
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1-2 weeks delivery time The Blue Sea 8261 is an 8-position water-resistant DC switch panel for 12V and 24V systems. Includes Contura OFF-ON switches with LED indicators and fuse holders. Panel rating 90A. Dimensions: 95 × 238 × 76 mm. |
$ 439.08
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1-2 weeks delivery time The Blue Sea 8262 is a 4-position water-resistant DC switch panel for 12V and 24V systems. Equipped with Contura OFF-ON switches with LED indicators and fuse holders. Panel rating 45A. Dimensions: 95 × 133 × 76 mm. |
$ 226.51
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1-2 weeks delivery time The Blue Sea 8263 is a water-resistant bilge pump control panel for 12V and 24V DC systems with (ON)-OFF-AUTO Contura switch and fuse holder. Switch rating 20A @ 12V / 15A @ 24V. Dimensions: 95 × 57 × 76 mm. |
$ 90.17
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1-2 weeks delivery time The Blue Sea 8264 is a traditional metal DC breaker panel with 24 positions for 12V and 24V systems. Pre-wired with positive, negative, and grounding buses. Rated 100A per bus. Dimensions: 190 × 375 mm. |
$ 1,373.99
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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.