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 7238 A-Series circuit breaker is a double-pole 30A magnetic hydraulic toggle breaker for AC and DC panels. It combines switching and circuit protection in one unit and uses a trip-free mechanism that cannot be held ON during a fault. Rated for 120/240V AC and 65V DC. White toggle actuator, stainless mounting and terminal hardware, 10,000 switching cycles, operating range −40°C to +85°C. ABYC compliant, CE, CSA, TUV and UL 1077 certified.
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$ 72.09
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1-2 weeks delivery time The Blue Sea 7239 A-Series circuit breaker is a double-pole 40A magnetic hydraulic toggle breaker for AC and DC panel systems. It combines switching and circuit protection in one device and uses a trip-free mechanism that cannot be held ON during a fault condition. Rated for 120/240V AC and 65V DC operation. Black toggle actuator, stainless mounting and terminal hardware, 10,000 switching cycles, operating temperature range −40°C to +85°C. Meets ABYC standards and carries CE, CSA, TUV and UL 1077 certifications.
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$ 72.09
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1-2 weeks delivery time The Blue Sea 7240 A-Series circuit breaker is a double-pole 40A magnetic hydraulic toggle breaker for AC and DC electrical panels. It combines switching and circuit protection in one device and features a trip-free mechanism that cannot be held ON during a fault condition. Rated for 120/240V AC and 32V DC systems. White toggle actuator, stainless mounting and terminal screws, 10,000 switching cycles, and operating temperature range from −40°C to +85°C. Meets ABYC standards and is CE, CSA, TUV, and UL 1077 certified.
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$ 72.09
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1-2 weeks delivery time The Blue Sea 7241 A-Series circuit breaker is a double-pole 50A magnetic hydraulic toggle breaker for AC and DC panel systems. It combines switching and circuit protection in a single device and uses a trip-free mechanism that cannot be held ON during a fault condition. Rated for 120/240V AC and 65V DC. Black toggle actuator, stainless mounting and terminal screws, 10,000 switching cycles, and operating temperature range from −40°C to +85°C. Meets ABYC standards and is CE, CSA, TUV, and UL 1077 certified.
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$ 72.09
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1-2 weeks delivery time The Blue Sea 7248 C-Series circuit breaker is a single-pole 80A magnetic hydraulic toggle breaker designed for overcurrent protection of inverters, bow thrusters, and windlasses. It combines switching and circuit protection in one device and features a trip-free mechanism that cannot be held closed after trip. Rated for 240V AC and 65V DC. White toggle actuator, 1/4-20 tin-plated brass terminal stud, 10,000 switching cycles, operating temperature −40°C to +85°C, and UL 1077 compliant.
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Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time Blue Sea 100 A double pole toggle circuit breaker designed for inverters, bow thrusters and winches, offering integrated switching and protection with a non-latching design that prevents automatic reset after tripping.
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$ 155.65
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1-2 weeks delivery time The Blue Sea 7260 A-Series circuit breaker is a double-pole 20A AC/DC magnetic hydraulic toggle breaker for Blue Sea electrical panels, used as AC main circuit protection. It combines switching and overcurrent protection in one device and features a trip-free design that cannot be held ON during fault conditions. Rated 120/240V AC and 32V DC. White toggle actuator, 10,000 switching cycles, −40°C to +85°C operating range. UL 1077 recognized, TUV, CE and CSA certified.
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$ 72.09
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1-2 weeks delivery time The Blue Sea 7287 C-Series circuit breaker is a triple pole 50A AC magnetic hydraulic toggle breaker designed for 120/240V AC main circuit protection. It provides 5,000A interrupt capacity to meet ABYC requirements for 50A main protection and is used as a 240V AC main breaker to switch hot lines and neutral, with all poles tripping together if any pole trips. Rated for up to 120/240V AC and 80V DC, with trip-free mechanism, white toggle actuator, 1/4-20 tin-plated brass terminal studs, 10,000 switching cycles, and −40°C to +85°C operating range. UL 1077 compliant.
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$ 226.51
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1-2 weeks delivery time The Blue Sea 7353 C-Series circuit breaker is a single pole 20A magnetic hydraulic breaker with white toggle actuator for AC and DC circuits. Rated 20A AC / 20A DC with maximum voltage 240V AC and 80V DC. Designed to provide overcurrent protection for inverters, bow thrusters, and windlasses, combining switching and circuit protection in one panel device. Features trip-free design that cannot be held closed after trip. Interrupt capacity up to 5000A at 125/240V AC and 10000A at 80V DC. Operating temperature range −40°C to +85°C. Uses 1/4-20 tin-plated brass terminal stud. UL 1077 recognized.
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$ 76.30
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1-2 weeks delivery time The Blue Sea 7400 is an A-Series single pole flat rocker circuit breaker rated at 5A AC/DC with magnetic hydraulic trip-free protection. It features a flush flat rocker actuator to reduce accidental switching, OFF-position color indication, and international ON/OFF symbols for vertical or horizontal mounting. Rated up to 240V AC and 32V DC with interrupt capacity up to 3000A @ 125V AC and 5000A @ 32V DC. Operating range −40°C to +85°C.
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$ 39.78
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1-2 weeks delivery time The Blue Sea 7401 is an A-Series single pole flat rocker circuit breaker rated at 8A AC/DC with magnetic hydraulic trip-free protection. It features a flush flat rocker actuator to reduce accidental switching, OFF-position color indication, and international ON/OFF symbols for vertical or horizontal mounting. Rated up to 240V AC and 32V DC with interrupt capacity up to 3000A @ 125V AC and 5000A @ 32V DC. Operating range −40°C to +85°C.
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$ 39.58
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1-2 weeks delivery time The Blue Sea 7402 is an A-Series single pole flat rocker circuit breaker rated at 10A AC/DC with magnetic hydraulic trip-free protection. It uses a flush flat rocker actuator to reduce accidental switching and includes OFF-position color indication and international ON/OFF symbols for vertical or horizontal mounting. Rated for up to 240V AC and 32V DC with interrupt capacity up to 3000A @ 125V AC and 5000A @ 32V DC. Operating temperature range −40°C to +85°C.
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$ 39.78
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1-2 weeks delivery time The Blue Sea 7403 is an A-Series single pole flat rocker circuit breaker rated at 15A AC/DC with magnetic hydraulic trip-free protection. It features a flush flat rocker actuator to reduce accidental switching, OFF-position color indication, and international ON/OFF symbols for vertical or horizontal mounting. Rated for up to 240V AC and 32V DC with interrupt capacity up to 3000A @ 125V AC and 5000A @ 32V DC. Operating temperature range −40°C to +85°C.
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$ 37.80
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1-2 weeks delivery time The Blue Sea 7404 is an A-Series single pole flat rocker circuit breaker rated at 20A AC/DC with magnetic hydraulic trip-free protection. It uses a flush flat rocker actuator to reduce accidental switching, includes OFF-position color indication, and supports vertical or horizontal mounting with international ON/OFF symbols. Rated for up to 240V AC and 32V DC with interrupt capacity up to 3000A @ 125V AC and 5000A @ 32V DC. Operating temperature range −40°C to +85°C.
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$ 39.58
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1-2 weeks delivery time The Blue Sea 7405 is an A-Series single pole flat rocker circuit breaker rated at 25A AC/DC with magnetic hydraulic trip-free protection. It features a flush flat rocker actuator to reduce accidental switching, OFF-position color indication, and supports vertical or horizontal mounting. Rated for up to 240V AC and 32V DC with interrupt capacity up to 3000A @ 125V AC and 5000A @ 32V DC. Operating temperature range −40°C to +85°C.
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$ 39.58
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1-2 weeks delivery time The Blue Sea 7408 A-Series circuit breaker is a single pole flat rocker model rated at 50A AC/DC with magnetic hydraulic trip-free protection. It features a flush rocker actuator to minimize accidental switching, OFF-position color indication, and supports vertical or horizontal mounting. Rated up to 240V AC and 32V DC with interrupt capacity up to 3000A @ 125V AC and 5000A @ 32V DC. Operating temperature range −40°C to +85°C.
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$ 39.58
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1-2 weeks delivery time The Blue Sea 7410 A-Series circuit breaker is a double pole flat rocker model rated at 10A AC/DC with magnetic hydraulic trip-free protection. It supports up to 120/240V AC and 32V DC, with interrupt capacity up to 3000A @ 240V AC and 5000A @ 32V DC. Features include OFF-position color indication, international ON/OFF symbols, and vertical or horizontal mounting. Operating temperature range −40°C to +85°C.
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$ 86.09
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1-2 weeks delivery time The Blue Sea 7411 A-Series circuit breaker is a double pole flat rocker model rated at 15A AC/DC with magnetic hydraulic trip-free protection. Designed for 120/240V AC and 32V DC systems, with interrupt capacity up to 3000A @ 240V AC and 5000A @ 32V DC. Features OFF-position color indication, international ON/OFF symbols, and vertical or horizontal mounting. Operating temperature range −40°C to +85°C.
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$ 75.16
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1-2 weeks delivery time The Blue Sea 7412 A-Series circuit breaker is a double pole flat rocker model rated at 16A AC/DC for panel mounting in 120/240V AC and 32V DC systems. It uses a magnetic hydraulic trip-free mechanism and provides interrupt capacity up to 3000A @ 240V AC and 5000A @ 32V DC. Features OFF-position color indication, flat rocker actuator, and international ON/OFF symbols for vertical or horizontal installation. Operating temperature range −40°C to +85°C.
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Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time The Blue Sea 7413 A-Series circuit breaker is a double pole flat rocker model rated at 20A AC/DC for panel mounting in 120/240V AC and 32V DC systems. It features a magnetic hydraulic trip-free mechanism, OFF-position color indication, and supports vertical or horizontal mounting. Interrupt capacity up to 3000A @ 240V AC and 5000A @ 32V DC. Operating temperature range −40°C to +85°C.
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$ 75.16
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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.