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 ... read more
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 3100 A-Series GFCI Branch Circuit Breaker provides crucial overcurrent and leakage protection for marine applications, ensuring safety in key areas like the head, galley, machinery, and weatherdeck. With a 15A rating, 120V AC voltage capacity, and a trip-free magnetic hydraulic mechanism, it offers reliable and long-lasting protection. Featuring a flat rocker actuator to prevent accidental switching, this breaker also includes high interrupt capacity and low leakage trip amps for enhanced safety.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 3102100 A-Series ELCI Main Circuit Breaker offers essential overcurrent and leakage protection for marine and off-grid electrical systems. With a 30A rating and 120V AC per pole, it meets ABYC E-11 standards and UL 1500 ignition protection. The breaker features a magnetic hydraulic trip-free mechanism, 5000A interrupt capacity, and a flat rocker actuator, ensuring reliable operation and protection against electrical faults. Ideal for use in demanding environments, it guarantees safe operation with up to 10,000 switching cycles.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 3103 - C-Series ELCI Main Circuit Breaker is a double-pole 50A breaker designed for marine applications. It provides essential overcurrent and leakage protection, meeting stringent safety standards for boat shore power. With a durable flat rocker actuator, it trips on short circuits or overloads, ensuring reliable performance in challenging conditions.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 3104 - C-Series ELCI Main Circuit Breaker ensures complete overcurrent and leakage protection for your boat's shore power system. With a 50A amperage rating, it features a flat rocker actuator, trip-free magnetic hydraulic design, and an interrupt capacity of 5000A. Meeting ignition protection requirements and offering a leakage trip of 30mA, this reliable circuit breaker is built to handle extreme conditions and provides long-lasting safety for up to 10,000 switching cycles.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 3106100 - A-Series ELCI Main Circuit Breaker, Double Pole 120V AC 30A offers comprehensive protection for your electrical system. Featuring magnetic hydraulic trip-free operation, this breaker trips on overloads, short circuits, or leakage to ground, ensuring high safety standards. It is ignition protected, ideal for gasoline-powered boats, and has a 5000A interrupt capacity, providing reliable performance even in challenging environments. With multiple actuator styles and easy mounting, it is a reliable choice for both industrial and marine applications.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 3113 - SMS Surface Mount System Panel Enclosure, 6 Circuit Blank is a durable, customizable panel designed for secure and flexible circuit protection. Featuring a glass-filled polycarbonate mounting box, clear cover, and oversized PUR gasket, it ensures strength and easy access to circuit breaker status. This enclosure supports various breaker types and includes stainless steel mounting hardware for hassle-free installation, making it a reliable choice for systems requiring robust, weather-resistant protection.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 3116 SMS Surface Mount System Panel Enclosure is designed for marine safety, featuring a 120V AC / 30A ELCI Main breaker and three customizable blank circuit positions. This durable enclosure boasts a clear, overlapping cover for visibility and strength, along with an oversized seamless gasket for reliable sealing. It includes LED backlighting and stainless steel hardware for easy installation and secure operation.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 3117 - SMS Surface Mount System Panel Enclosure is a rugged and reliable solution for safely housing ELCI main circuit breakers and other large frame devices. Designed to meet ABYC E-11 standards, it features a durable glass-filled polycarbonate box, a clear cover for easy visibility, and superior gasket protection. The panel is equipped with LED lights for backlighting and includes waterproof glands, making it ideal for use in challenging marine environments.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 3118 SMS Surface Mount System Panel Enclosure is a durable and versatile solution for marine electrical systems, designed to house an ELCI Main circuit breaker and other large frame devices. Featuring a clear cover for easy breaker status monitoring, two blank circuit positions for custom breaker configurations, and a glass-filled polycarbonate mounting box, it ensures reliability and protection.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 3119 SMS Surface Mount System Panel Enclosure is designed for safe marine power management, featuring a 120/240V AC / 50A ELCI Main breaker and one blank circuit position. The enclosure includes a durable polycarbonate box, clear cover for visibility, and a seamless gasket for superior sealing, ensuring robust performance and ease of installation.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 3120 SMS Surface Mount System Panel Enclosure is designed to house 240V AC / 50A ELCI Main circuit breakers and large frame devices. Built with a durable glass-filled polycarbonate base, it features a clear cover for easy circuit breaker status monitoring and meets ABYC E-11 standards. With enhanced gasket protection, stainless steel hardware, and waterproof glands, this enclosure ensures a secure, weather-resistant solution for marine and RV electrical systems.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 3125 - Surface Mount System Enclosure Gland PG16 is designed for efficient cable management in surface-mounted enclosures. Accepting cable sizes from #14 to #10 (3 Conductor), this high-quality plastic gland ensures a secure and organized fit for your electrical cables. With its compact design and durability, it’s perfect for marine, industrial, and other applications that require reliable cable protection.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 3126 - Surface Mount System Enclosure Gland PG29 is designed for cables of size #6 (4 Conductor) and is compatible with Blue Sea Systems PN 3116 and PN 3119 Surface Mount Systems. Made from durable plastic with a grey finish, it provides a secure and efficient solution for cable management in industrial, marine, and other applications. The compact gland is easy to install and ensures reliable performance, making it an ideal choice for maintaining an organized electrical system.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 3131 - Circuit Breaker Enclosure provides a reliable surface mount solution for single and double pole circuit breakers. It accommodates A-Series toggle and A and C-Series Flat Rocker breakers and includes wire glands and fasteners for easy installation. Optional LEDs and labels allow for customizable functionality, making it an ideal choice for safe and organized circuit breaker mounting.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 4004 - PowerPost Insulator provides electrical insulation for single studs and large cables, ensuring safety and preventing short circuits. It is designed for cable sizes up to 2/0 AWG and comes in a red color for easy identification. This lightweight and durable insulator is compatible with several Blue Sea Systems products, making it a versatile choice for electrical installations.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 4008 CableCap provides insulation for stud-type connectors on high-amperage devices like alternators, starters, and windlasses. Made of durable red PVC, it is compatible with a variety of cable sizes (10 to 18 AWG) and ensures secure protection against electrical shorts in high-current systems. This lightweight and easy-to-install cap is an essential safety accessory for marine electrical systems.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 4009 - CableCap, Black 0.47 to 0.13 Stud is a high-quality PVC insulation product designed to protect stud connectors on alternators, starters, windlasses, and other high-amperage devices. It fits a wide range of cable sizes and ensures safe, reliable connections by preventing electrical short circuits. With its lightweight and durable construction, it’s an essential tool for safeguarding your electrical system in demanding environments.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 4017 - Straight Terminal CableCap, Large provides effective insulation for 1/0 and 2/0 cables, offering protection against electrical shorts. Made from durable PVC and available in black and red colors, this CableCap is lightweight and easy to install, making it a reliable solution for safeguarding electrical connections in various high-amperage systems.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 4026 - AC Isolation Cover provides electrical insulation and mechanical protection for exposed panel backs, especially in lockers. Made from lightweight material, it meets ABYC standards for panels with both AC and DC circuits. This cover fits panels up to 5-1/4" long, 3-3/4" wide, and 3" deep, ensuring reliable protection while being easy to install and maintain.
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1-2 weeks delivery time Price incl. 19% VAT The Blue Sea 4028 AC Isolation Cover is a lightweight, durable solution designed to provide electrical insulation and mechanical protection for exposed panel backs, especially in marine environments. It meets ABYC requirements for combined AC and DC panels and is easily customizable with drilled wire access points.
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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 device designed to manage the charging and isolation of multiple battery banks on boats and yachts. It automatically combines and charges the batteries when a charging source is detected, ensuring that both battery banks receive proper charging. This prevents battery imbalance, extends battery life, and ensures reliable starting power. Additionally, the SI-ACR can isolate the battery banks to prevent one bank from discharging into the other, enhancing overall battery management and performance.
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.