Blue Sea Systems offers a comprehensive range of high-quality marine electrical products. Their products include fuse panels, terminal fuses, distribution blocks, battery management systems, switches, circuit protection, and more. These products are designed to enhance the safety, reliability, and efficiency of electrical systems on boats and yachts. Blue Sea Systems' fuse panels and distribution blocks help organize and protect wiring, while their battery management solutions ensure proper power distribution and control. Their switches, voltmeters, and other components provide easy monitoring and control of onboard electrical systems. Overall, Blue Sea Systems' products contribute to the smooth operation and safety of marine electrical systems.
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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.
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$ 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.
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$ 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.
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$ 1,373.99
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1-2 weeks delivery time The Blue Sea 8266 is a center Contura mounting bracket for modular switch panel assemblies. Supports grouped Contura switch mounting panels in multiple thicknesses from 1.57 to 9.52 mm. Weight: 0.04 kg.
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$ 9.99
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1-2 weeks delivery time The Blue Sea 8267 is an end Contura mounting bracket for modular switch panel assemblies. Used to terminate grouped Contura switch mounting panels and support panel thicknesses from 1.57 to 9.52 mm. Weight: 0.04 kg.
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$ 9.99
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1-2 weeks delivery time The Blue Sea 8268 is a single-position Contura mounting bracket for individual Contura switches and control modules. Supports panel thickness from 1.57 to 9.52 mm. Weight: 0.04 kg.
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$ 10.37
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1-2 weeks delivery time The Blue Sea 8271 is an 8-position water-resistant DC circuit breaker panel for 12/24V systems, rated IP66 for flybridge and cockpit installation. Panel rating 90A, switch rating 20A@12V / 15A@24V. Size: 4.25 × 9.37 × 3.25 in.
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$ 441.65
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1-2 weeks delivery time The Blue Sea 8272 is a 4-position water-resistant DC circuit breaker panel for 12/24V systems, IP66 rated for flybridge and cockpit use. Panel rating 45A, switch rating 20A@12V / 15A@24V. Dimensions: 4.25 × 5.25 × 3.25 in.
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$ 258.65
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1-2 weeks delivery time The Blue Sea 8273 is a 6-position water-resistant DC circuit breaker panel for 12/24V systems, IP66 rated for flybridge and cockpit installations. Panel rating 45A, switch rating 20A@12V / 15A@24V. Dimensions: 7.50 × 4.50 × 3.25 in.
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$ 341.49
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1-2 weeks delivery time The Blue Sea 8274 is a 3-position water-resistant DC circuit breaker panel for 12/24V systems, IP66 rated for flybridge and cockpit use. Panel rating 45A, switch rating 20A@12V / 15A@24V. Dimensions: 3.75 × 4.50 × 3.25 in.
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$ 224.86
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1-2 weeks delivery time The Blue Sea 8282 Contura III Switch is an SPST OFF-ON black rocker switch designed for Blue Sea Systems water resistant panels and common lighting circuits. It is vibration, shock, thermoshock, moisture, and salt spray resistant, ignition protected, and rated at 20A at 12V and 15A at 24V. The switch includes one LED (100,000 hours half-life) with illumination in the ON position, draws 18 mA operating current, and operates from −40°C to +85°C. Weight is 0.09 lb (0.04 kg).
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$ 24.32
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1-2 weeks delivery time The Blue Sea 8283 Contura III Switch is an SPDT ON-OFF-ON black rocker switch designed for Blue Sea Systems water resistant panels and applications such as combining navigation and anchor lights with independent bulbs. It is vibration, shock, thermoshock, moisture, and salt spray resistant and ignition protected for gasoline powered boats. Rated at 20A at 12V and 15A at 24V, it includes two LEDs with 100,000-hour half-life, 18 mA LED operating current, operating range −40°C to +85°C, and weighs 0.09 lb (0.04 kg).
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$ 26.28
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1-2 weeks delivery time The Blue Sea 8285 Contura III Switch is an SPDT black rocker switch with (ON)-OFF-(ON) momentary action on both sides, designed for Blue Sea Systems water resistant panels. Typical applications include windlass, trim tabs, and powered hatches. The switch is resistant to vibration, shock, thermoshock, moisture, and salt spray and is ignition protected for gasoline powered boats. Rated at 20A at 12V and 15A at 24V, with no embedded LEDs, operating temperature range −40°C to +85°C, and weight 0.09 lb (0.04 kg).
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$ 27.69
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1-2 weeks delivery time The Blue Sea 8287 Contura III Switch is a DPST black rocker switch with OFF-ON action, designed for Blue Sea Systems water resistant panels and navigational light circuits. It is resistant to vibration, shock, thermoshock, moisture, and salt spray and is ignition protected for gasoline powered boats. Rated at 20A at 12V and 15A at 24V, it features one LED rated to 100,000 hours half-life with 18 mA operating current, operating temperature range −40°C to +85°C, and weight 0.09 lb (0.04 kg).
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$ 28.35
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1-2 weeks delivery time The Blue Sea 8288 Contura III Switch is a DPST black rocker switch with OFF-(ON) action and momentary ON function, designed for Blue Sea Systems water resistant panels. Typical applications include horn and windshield wiper control. It is resistant to vibration, shock, thermoshock, moisture, and salt spray and is ignition protected for gasoline powered boats. Rated at 20A at 12V and 15A at 24V, with no embedded LEDs, operating temperature range −40°C to +85°C, and weight 0.09 lb (0.04 kg).
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$ 26.14
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1-2 weeks delivery time The Blue Sea 8289 Contura III Switch is a DPDT black rocker switch with (ON)-OFF-ON action and a momentary ON position, designed for Blue Sea Systems water resistant panels. Typical applications include dual wiper control. The switch is resistant to vibration, shock, thermoshock, moisture, and salt spray and is ignition protected for gasoline powered boats. Rated at 20A at 12V and 15A at 24V, it includes one LED rated to 100,000 hours half-life with 18 mA operating current, operating range −40°C to +85°C, and weight 0.09 lb (0.04 kg).
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$ 36.05
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1-2 weeks delivery time The Blue Sea 8290 Contura III Switch is a DPDT black rocker switch with (ON)-OFF-(ON) action and momentary ON positions on both sides, designed for Blue Sea Systems water resistant panels. Typical applications include power operated hatches. It is resistant to vibration, shock, thermoshock, moisture, and salt spray and is ignition protected for gasoline powered boats. Rated at 20A at 12V and 15A at 24V, with no embedded LEDs, operating temperature range −40°C to +85°C, and weight 0.09 lb (0.04 kg).
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$ 32.83
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1-2 weeks delivery time The Blue Sea 8291 Contura III Dimmer Control Switch is an SPDT black rocker switch with (ON)-OFF-(ON) momentary action, designed to mount in Blue Sea Systems waterproof panels and labeled BRIGHT/DIM. It is intended for dimmer control applications and for use with the Deckhand Dimmer. Rated at 20A at 12V and 15A at 24V, with internal and external gasket panel seal, operating temperature range −40°C to +85°C, and weight 0.09 lb (0.04 kg).
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$ 32.17
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1-2 weeks delivery time The Blue Sea 8292 Contura III Switch is an SPST black rocker switch with OFF-(ON) momentary action, designed for Blue Sea Systems water resistant panels. Typical applications include horn and windshield wiper control circuits. It is resistant to vibration, shock, thermoshock, moisture, and salt spray and is ignition protected for gasoline powered boats. Rated at 20A at 12V and 15A at 24V, with no embedded LEDs, operating temperature range −40°C to +85°C, and weight 0.09 lb (0.04 kg).
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$ 23.18
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1-2 weeks delivery time The Blue Sea 8357 AC Rotary Switch Panel is a 2-pole panel rated at 65A for 230V AC systems, designed to switch between two AC sources with OFF position. It switches two 230V AC inputs and provides a compact transfer solution when circuit protection is installed elsewhere. The panel includes a 9011 heavy duty industrial rated rotary switch and AC rotary panel labels, features reverse polarity and power available LED indicators, and uses heavy 1/8" aluminum 5052 alloy with a two-part polyurethane slate gray finish. Depth is 2.41 in (61.21 mm) and weight is 1.25 lb (0.57 kg).
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$ 731.74
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What are the key components and features of a Blue Sea Systems add-a-battery dual circuit system, and how does it contribute to effective battery management on boats?
A Blue Sea Systems add-a-battery dual circuit system is a comprehensive solution designed for efficient battery management on boats and yachts. It includes key components such as an Automatic Charging Relay (ACR), distribution blocks, switches, fuses, and terminal blocks. The system allows seamless switching between battery banks, prioritizing charging and isolating them when necessary. This setup optimizes power distribution, prevents battery drain, and ensures reliable starting power. The dual circuit system is a fundamental tool in maintaining electrical integrity and uninterrupted power supply on marine vessels.
By integrating a Blue Sea Battery Switch, users gain a reliable and safe method to manually control power flow between battery banks. This switch is built to marine-grade standards, ensuring long-term durability in harsh environments.
How does a Blue Sea Systems SI-ACR (Automatic Charging Relay) function, and what benefits does it offer for maintaining optimal battery charging and isolation?
The Blue Sea Systems SI-ACR (Automatic Charging Relay) is a key component in advanced Marine Wiring systems, designed to simplify and optimize the management of multiple battery banks on boats and yachts. It functions by automatically connecting battery banks during charging—when voltage exceeds a preset threshold—and isolating them when charging stops or voltage drops.
For a complete power distribution and protection solution, pair the SI-ACR with a robust Blue Sea Fuse Block.
What is the purpose of a Blue Sea Systems MRBF (Terminal Fuse) and how is it utilized in marine electrical systems to ensure safety and protection?
The Blue Sea Systems MRBF (Terminal Fuse) is a crucial component in marine electrical systems designed to provide protection against overcurrent situations. It safeguards electrical circuits and equipment by interrupting the flow of current in the event of a fault or excessive current draw. These fuses are engineered to handle high current loads and are typically installed in close proximity to batteries, making them a critical element in systems that require high reliability and safety.
Often used alongside Blue Sea Add a Battery systems, MRBF fuses ensure consistent protection and help maintain the integrity of the overall electrical setup. Their compact design and high interrupt capacity make them ideal for marine environments, where space is limited and safety is paramount.
To further enhance electrical safety and efficiency, integrating a Blue Sea Terminal Block provides organized and secure connections, optimizing the performance and reliability of marine electrical installations.