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 5184 MRBF Terminal Fuse (125A) is an ignition protected terminal fuse for main DC circuit protection, designed to be used with terminal fuse blocks PN 5191 or PN 2151 (do not mount the fuse directly to the battery terminal). It includes a clear window for visual blown-fuse indication and is color coded by amperage, with an interrupt capacity of 10000A @ 14V DC, 5000A @ 32V DC, and 2000A @ 58V DC. Rated 125A up to 58V DC, this fuse weighs 0.06 lb (0.03 kg), works with all terminal fuse blocks, and meets SAE J1171 and IP66 requirements.
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$ 28.31
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1-2 weeks delivery time The Blue Sea 5185 MRBF Terminal Fuse (150A) is an ignition protected terminal fuse for main DC circuit protection, designed to be used with terminal fuse blocks PN 5191 or PN 2151 (do not mount the fuse directly to the battery terminal). It includes a clear window for visual blown-fuse indication and is color coded by amperage, with an interrupt capacity of 10000A @ 14V DC, 5000A @ 32V DC, and 2000A @ 58V DC. Rated 150A up to 58V DC, this fuse weighs 0.06 lb (0.03 kg), works with all terminal fuse blocks, and meets SAE J1171 and IP66 requirements.
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$ 29.80
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1-2 weeks delivery time The Blue Sea 5186 MRBF Terminal Fuse (175A) is an ignition protected terminal fuse for main DC circuit protection, designed to be used with terminal fuse blocks PN 5191 or PN 2151 (do not mount the fuse directly to the battery terminal). It includes a clear window for visual blown-fuse indication and is color coded by amperage, with an interrupt capacity of 10000A @ 14V DC, 5000A @ 32V DC, and 2000A @ 58V DC. Rated 175A up to 58V DC, this fuse weighs 0.06 lb (0.03 kg), works with all terminal fuse blocks, and meets SAE J1171 and IP66 requirements.
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$ 29.58
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1-2 weeks delivery time The Blue Sea 5187 MRBF Terminal Fuse (200A) is an ignition protected terminal fuse for main DC circuit protection, designed to be used with terminal fuse blocks PN 5191 or PN 2151 (do not mount the fuse directly to the battery terminal). It includes a clear window for visual blown-fuse indication and is color coded by amperage, with an interrupt capacity of 10000A @ 14V DC, 5000A @ 32V DC, and 2000A @ 58V DC. Rated 200A up to 58V DC, this fuse weighs 0.06 lb (0.03 kg), works with all terminal fuse blocks, and meets SAE J1171 and IP66 requirements.
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$ 29.80
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1-2 weeks delivery time The Blue Sea 5189 MRBF Terminal Fuse (250A) is an ignition protected terminal fuse for main DC circuit protection, designed to be used with terminal fuse blocks PN 5191 or PN 2151 (do not mount the fuse directly to the battery terminal). It includes a clear window for visual blown-fuse indication and is color coded by amperage, with an interrupt capacity of 10000A @ 14V DC, 5000A @ 32V DC, and 2000A @ 58V DC. Rated 250A up to 58V DC, this fuse weighs 0.06 lb (0.03 kg), works with all terminal fuse blocks, and meets SAE J1171 and IP66 requirements.
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$ 29.80
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1-2 weeks delivery time The Blue Sea 5190 MRBF Terminal Fuse (300A) is an ignition protected terminal fuse for main DC circuit protection, designed to be used with terminal fuse blocks PN 5191 or PN 2151 (do not mount the fuse directly to the battery terminal). It includes a clear window for visual blown-fuse indication and is color coded by amperage, with an interrupt capacity of 10000A @ 14V DC, 5000A @ 32V DC, and 2000A @ 58V DC. Rated 300A up to 58V DC, this fuse weighs 0.06 lb (0.03 kg), works with all terminal fuse blocks, and meets SAE J1171 and IP66 requirements.
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$ 29.80
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1-2 weeks delivery time The Blue Sea 5204 AGC Fuse (1A) is designed for use with Blue Sea Systems ST Glass Fuse Blocks and compatible AGC®/MDL® fuse holders in DC electrical systems typically up to 32V DC. Rated for 32V DC and 250V AC, this fuse includes a visible indication of blown condition and is supplied as five fuses per retail package. Weight: 0.03 lb (0.01 kg).
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$ 4.47
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1-2 weeks delivery time The Blue Sea 5206 AGC Fuse (2A) is designed for use with Blue Sea Systems ST Glass Fuse Blocks and compatible AGC®/MDL® fuse holders in DC electrical systems typically up to 32V DC. Rated for 32V DC and 250V AC, this fuse features a visible indication of blown condition and is supplied as five fuses per retail package. Weight: 0.03 lb (0.01 kg).
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$ 4.47
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1-2 weeks delivery time The Blue Sea 5208 AGC Fuse (3A) is designed for use with Blue Sea Systems ST Glass Fuse Blocks and compatible AGC®/MDL® fuse holders in DC electrical systems typically up to 32V DC. Rated for 32V DC and 250V AC, this fuse features a visible indication of blown condition and is supplied as five fuses per retail package. Weight: 0.03 lb (0.01 kg).
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$ 4.47
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1-2 weeks delivery time The Blue Sea 5209 AGC Fuse (4A) is designed for use with Blue Sea Systems ST Glass Fuse Blocks and compatible AGC®/MDL® fuse holders in DC electrical systems typically up to 32V DC. Rated for 32V DC and 250V AC, this fuse features a visible indication of blown condition and is supplied as five fuses per retail package. Weight: 0.03 lb (0.01 kg).
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$ 4.47
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1-2 weeks delivery time The Blue Sea 5210 AGC Fuse (5A) is designed for use with Blue Sea Systems ST Glass Fuse Blocks and compatible AGC®/MDL® fuse holders in DC electrical systems typically up to 32V DC. Rated for 32V DC and 250V AC, this fuse features a visible indication of blown condition and is supplied as five fuses per retail package. Weight: 0.03 lb (0.01 kg).
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$ 4.27
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1-2 weeks delivery time The Blue Sea 5212 AGC Fuse (7A) is designed for use with Blue Sea Systems ST Glass Fuse Blocks and compatible AGC®/MDL® fuse holders in DC electrical systems typically up to 32V DC. Rated for 32V DC and 250V AC, it provides visible indication of a blown condition and is supplied as five fuses per retail package. Weight: 0.03 lb (0.01 kg).
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$ 4.47
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1-2 weeks delivery time The Blue Sea 5213 AGC Fuse (7.5A) is built for use with Blue Sea Systems ST Glass Fuse Blocks and compatible AGC®/MDL® fuse holders in DC electrical systems typically up to 32V DC. Rated for 32V DC and 250V AC, it provides a visible indication of a blown condition and is supplied as five fuses per retail package. Weight: 0.03 lb (0.01 kg).
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$ 4.47
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1-2 weeks delivery time The Blue Sea 5215 AGC Fuse (10A) is designed for use with Blue Sea Systems ST Glass Fuse Blocks and compatible AGC®/MDL® fuse holders in DC electrical systems typically up to 32V DC. Rated for 32V DC and 250V AC, it features a visible indication of blown condition and is supplied as five fuses per retail package. Weight: 0.03 lb (0.01 kg).
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$ 4.47
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1-2 weeks delivery time The Blue Sea 5217 AGC Fuse (15A) is designed for use with Blue Sea Systems ST Glass Fuse Blocks and compatible AGC®/MDL® fuse holders in DC electrical systems typically up to 32V DC. Rated for 32V DC, it features a visible indication of blown condition and is supplied as five fuses per retail package. Weight: 0.03 lb (0.01 kg).
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$ 4.47
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1-2 weeks delivery time The Blue Sea 5218 AGC Fuse (20A) is designed for use with Blue Sea Systems ST Glass Fuse Blocks and compatible AGC®/MDL® fuse holders in DC electrical systems typically up to 32V DC. Rated for 32V DC, it features a visible indication of blown condition and is supplied as five fuses per retail package. Weight: 0.03 lb (0.01 kg).
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$ 4.47
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1-2 weeks delivery time The Blue Sea 5219 AGC Fuse (25A) is designed for use with Blue Sea Systems ST Glass Fuse Blocks and compatible AGC®/MDL® fuse holders in DC electrical systems typically up to 32V DC. Rated for 32V DC, it provides a visible indication of blown condition and is supplied as five fuses per retail package. Weight: 0.03 lb (0.01 kg).
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$ 4.47
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1-2 weeks delivery time The Blue Sea 5220 AGC Fuse (30A) is designed for use with Blue Sea Systems ST Glass Fuse Blocks and compatible AGC®/MDL® fuse holders in DC electrical systems typically up to 32V DC. Rated for 32V DC, it provides a visible indication of blown condition and is supplied as five fuses per retail package. Weight: 0.03 lb (0.01 kg).
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$ 4.47
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1-2 weeks delivery time The Blue Sea 5235 ATO / ATC Fuse (1A) is a fast-acting blade fuse designed for standard circuit protection in automotive and marine electrical systems, ideal for electronic devices. Rated at 1A and 32V DC, it features tin-plated connector blades for improved corrosion resistance and has an interrupt capacity of 1000A. Supplied in a 2-piece retail package, weight 0.03 lb (0.01 kg).
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$ 4.05
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1-2 weeks delivery time The Blue Sea 5236 ATO / ATC Fuse (2A) is a fast-acting blade fuse designed for standard circuit protection in automotive and marine electrical systems, ideal for electronic devices. Rated at 2A and 32V DC, it features tin-plated connector blades for improved corrosion resistance and an interrupt capacity of 1000A. Supplied in a 2-piece retail package, weight 0.03 lb (0.01 kg).
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$ 4.05
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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.