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 5102 MEGA® / AMG® Fuse (125A) is an economical option for 100–300A circuit protection applications when used with Blue Sea Systems AMG® fuse blocks. It is rated 125A, 70V DC, and is Ignition Protected (Yes), with an interrupt capacity of 2000A @ 32V DC. The fuse weighs 0.06 lb (0.03 kg) and works with all AMG fuse blocks, including the 7721 AMG® Safety Fuse Block.
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$ 17.39
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1-2 weeks delivery time The Blue Sea 5103 MEGA® / AMG® Fuse (150A) is an economical choice for 100–300A circuit protection applications when used with Blue Sea Systems AMG® fuse blocks. It is rated 150A, 70V DC, and is Ignition Protected (Yes), with an interrupt capacity of 2000A @ 32V DC. The fuse weighs 0.06 lb (0.03 kg) and is compatible with all AMG fuse blocks, including the 7721 AMG® Safety Fuse Block.
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$ 18.49
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1-2 weeks delivery time The Blue Sea 5104 MEGA® / AMG® Fuse (175A) is an economical option for 100–300A circuit protection applications and is designed for use with Blue Sea Systems AMG® fuse blocks. It is rated 175A, 70V DC, and is Ignition Protected (Yes), with an interrupt capacity of 2000A @ 32V DC. The fuse weighs 0.06 lb (0.03 kg) and works with all AMG fuse blocks, including the 7721 AMG® Safety Fuse Block.
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$ 18.49
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1-2 weeks delivery time The Blue Sea 5105 MEGA® / AMG® Fuse (200A) is an economical solution for 100–300A circuit protection applications and is designed for use with Blue Sea Systems AMG® fuse blocks. It is rated 200A, 70V DC, and is Ignition Protected (Yes), with an interrupt capacity of 2000A @ 32V DC. The fuse weighs 0.06 lb (0.03 kg) and works with all AMG fuse blocks, including the 7721 AMG® Safety Fuse Block.
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$ 18.49
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1-2 weeks delivery time The Blue Sea 5107 MEGA® / AMG® Fuse (250A) is an economical option for 100–300A circuit protection applications and is designed for use with Blue Sea Systems AMG® fuse blocks. It is rated 250A, 70V DC, and is Ignition Protected (Yes), with an interrupt capacity of 2000A @ 32V DC. The fuse weighs 0.06 lb (0.03 kg) and works with all AMG fuse blocks, including the 7721 AMG® Safety Fuse Block.
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$ 18.49
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1-2 weeks delivery time The Blue Sea 5112 A3T / Class T Fuse (110A) is a fast-acting fuse designed for extremely fast short-circuit response with a 20,000A interrupt capacity (AIC). It is rated 110A at up to 125V DC, with an interrupt capacity of 20,000A @ 125V DC, a stud torque specification of 3/8" in-lb (0.34 Nm), and a weight of 0.30 lb (0.14 kg). This fuse works with the 5007100 Class T Fuse Block with Insulating Cover (110 to 200A).
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$ 69.94
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1-2 weeks delivery time The Blue Sea 5114 A3T / Class T Fuse (150A) is a fast-acting fuse designed for extremely fast short-circuit response with a 20,000A interrupt capacity (AIC). It is rated 150A up to 125V DC and provides 20,000A @ 125V DC interrupt capacity. This fuse weighs 0.30 lb (0.14 kg) and works with the 5007100 Class T Fuse Block with Insulating Cover (110 to 200A).
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$ 69.94
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1-2 weeks delivery time The Blue Sea 5115 A3T / Class T Fuse (175A) is a fast-acting fuse designed for extremely fast short-circuit response and high fault protection with a 20,000A interrupt capacity (AIC). It is rated 175A up to 125V DC, uses a 3/8" stud (Stud Size 190), and provides an interrupt capacity of 20,000A @ 125V DC. The fuse weighs 0.30 lb (0.14 kg) and works with the 5007100 Class T Fuse Block with Insulating Cover (110 to 200A).
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$ 69.94
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1-2 weeks delivery time The Blue Sea 5116 A3T / Class T Fuse (200A) is a fast-acting fuse designed for extremely fast short-circuit response and high fault protection with a 20,000A interrupt capacity (AIC). It is rated 200A up to 125V DC, uses a 3/8" stud (Stud Size 190), and provides an interrupt capacity of 20,000A @ 125V DC. The fuse weighs 0.30 lb (0.14 kg) and works with the 5007100 Class T Fuse Block with Insulating Cover (110 to 200A).
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$ 69.94
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1-2 weeks delivery time The Blue Sea 5117 Class T Fuse (225A) is a fast-acting fuse engineered for extremely fast short-circuit response with a 20,000A interrupt capacity (AIC). It is rated 225A up to 125V DC, uses a 3/8" stud (Stud Size 190), and provides 20,000A @ 125V DC interrupt capacity. The fuse weighs 0.30 lb (0.14 kg) and is compatible with the 5502 and 5502100 Class T Fuse Block with Insulating Cover (225 to 400A). It is UL listed to standard 248-15.
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$ 97.48
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1-2 weeks delivery time The Blue Sea 5118 Class T Fuse (250A) is designed for extremely fast short-circuit response and high fault protection with a 20,000A interrupt capacity (AIC). It is rated 250A up to 125V DC, uses a 3/8" stud (Stud Size 190), and provides 20,000A @ 125V DC interrupt capacity. The fuse weighs 0.30 lb (0.14 kg) and is compatible with the 5502 and 5502100 Class T Fuse Block with Insulating Cover (225 to 400A). It is UL listed to standard 248-15.
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$ 70.90
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1-2 weeks delivery time The Blue Sea 5120 Class T Fuse (350A) is designed for extremely fast short-circuit response and high fault protection with a 20,000A interrupt capacity (AIC). It is rated 350A up to 125V DC, uses a 3/8" stud (Stud Size 190), and provides 20,000A @ 125V DC interrupt capacity. The fuse weighs 0.30 lb (0.14 kg) and works with the 5502 and 5502100 Class T Fuse Block with Insulating Cover (225 to 400A). It is UL listed to standard 248-15.
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$ 112.12
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1-2 weeks delivery time The Blue Sea 5121 Class T Fuse (400A) is designed for extremely fast short-circuit response and high fault protection with a 20,000A interrupt capacity (AIC). It is rated 400A up to 125V DC, uses a 3/8" stud (Stud Size 190), and provides 20,000A @ 125V DC interrupt capacity. The fuse weighs 0.30 lb (0.14 kg) and works with the 5502 and 5502100 Class T Fuse Block with Insulating Cover (225 to 400A). It is UL listed to standard 248-15.
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$ 74.27
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1-2 weeks delivery time The Blue Sea 5122 ANL Fuse (50A) is an ignition protected fuse (conforming to SAE J1171) designed for safe installation aboard gasoline powered boats. It features silver-plated connector blades for corrosion resistance and a visible blown-fuse indication, with 6000A interrupt capacity @ 32V DC that satisfies ABYC requirements for main DC circuit protection on large battery banks. Rated 50A at 32V DC, this fuse weighs 0.07 lb (0.03 kg) and is intended for use with all Blue Sea Systems ANL fuse blocks.
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$ 39.93
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1-2 weeks delivery time The Blue Sea 5123 ANL Fuse (60A) is an ignition protected fuse (conforming to SAE J1171) designed for safe installation aboard gasoline powered boats. It features silver-plated connector blades for corrosion resistance and a visible blown-fuse indication, with 6000A interrupt capacity @ 32V DC that satisfies ABYC requirements for main DC circuit protection on large battery banks. Rated 60A at 32V DC, this fuse weighs 0.07 lb (0.03 kg) and is intended for use with all Blue Sea Systems ANL fuse blocks.
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$ 39.93
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1-2 weeks delivery time The Blue Sea 5124 ANL Fuse (80A) is an ignition protected fuse (conforming to SAE J1171) for safe installation aboard gasoline powered boats. It features silver-plated connector blades for corrosion resistance and a visible blown-fuse indication, with 6000A interrupt capacity @ 32V DC that satisfies ABYC requirements for main DC circuit protection on large battery banks. Rated 80A at 32V DC, this fuse weighs 0.05 lb (0.02 kg) and is intended for use with all Blue Sea Systems ANL fuse blocks.
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$ 39.93
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1-2 weeks delivery time The Blue Sea 5125 ANL Fuse (100A) is an ignition protected fuse (conforming to SAE J1171) for safe installation aboard gasoline powered boats. It features silver-plated connector blades for corrosion resistance and a visible blown-fuse indication, with 6000A interrupt capacity @ 32V DC that satisfies ABYC requirements for main DC circuit protection on large battery banks. Rated 100A at 32V DC, this fuse weighs 0.05 lb (0.02 kg) and is intended for use with all Blue Sea Systems ANL fuse blocks.
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$ 39.93
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1-2 weeks delivery time The Blue Sea 5126 ANL Fuse (130A) is an ignition protected fuse (conforming to SAE J1171) for safe installation aboard gasoline powered boats. It features silver-plated connector blades for corrosion resistance and a visible blown-fuse indication, with 6000A interrupt capacity @ 32V DC that satisfies ABYC requirements for main DC circuit protection on large battery banks. Rated 130A at 32V DC, this fuse weighs 0.08 lb (0.04 kg) and is intended for use with all Blue Sea Systems ANL fuse blocks.
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$ 33.18
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1-2 weeks delivery time The Blue Sea 5127 ANL Fuse (150A) is an ignition protected fuse (conforming to SAE J1171) for safe installation aboard gasoline powered boats. It features silver-plated connector blades for corrosion resistance and a visible blown-fuse indication, with 6000A interrupt capacity @ 32V DC that satisfies ABYC requirements for main DC circuit protection on large battery banks. Rated 150A at 32V DC, this fuse weighs 0.08 lb (0.04 kg) and is intended for use with all Blue Sea Systems ANL fuse blocks.
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$ 39.93
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1-2 weeks delivery time The Blue Sea 5128 ANL Fuse (175A) is an ignition protected fuse (conforming to SAE J1171) for safe installation aboard gasoline powered boats. It features silver-plated connector blades for corrosion resistance and a visible blown-fuse indication, with 6000A interrupt capacity @ 32V DC that satisfies ABYC requirements for main DC circuit protection on large battery banks. Rated 175A at 32V DC, this fuse weighs 0.08 lb (0.04 kg) and is intended for use with all Blue Sea Systems ANL fuse blocks.
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$ 39.93
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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.