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 Circuit Breaker 2133 is a 15 A thermal circuit breaker with manual push-button reset only, rated for 32 V DC, featuring panel mount 3/8-27 UNS, #8 screw terminals, and an interrupt capacity of 3000 A at 14.7 V and 2500 A at 28 V. It is trip-free, ignition protected, and operates within -10 °C to 60 °C.
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$ 15.24
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1-2 weeks delivery time The Blue Sea Circuit Breaker 2134 is a 20 A thermal circuit breaker with manual push-button reset only, rated for 32 V DC, featuring panel mount 3/8-27 UNS, #8 screw terminals, and an interrupt capacity of 3000 A at 14.7 V and 2500 A at 28 V. It is trip-free, ignition protected, and operates within -10 °C to 60 °C.
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$ 15.24
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1-2 weeks delivery time The Blue Sea Circuit Breaker 2135 is a 25 A thermal circuit breaker with manual push-button reset only, rated for 32 V DC, featuring panel mount 3/8-27 UNS, #8 screw terminals, and an interrupt capacity of 3000 A at 14.7 V and 2500 A at 28 V. It is trip-free, ignition protected, and operates within -10 °C to 60 °C.
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$ 15.24
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1-2 weeks delivery time The Blue Sea Circuit Breaker 2136 is a 30 A thermal circuit breaker with manual push-button reset only, rated for 32 V DC, featuring panel mount 3/8-27 UNS, #8 screw terminals, and an interrupt capacity of 3000 A at 14.7 V and 2500 A at 28 V. It is trip-free, ignition protected, and operates within -10 °C to 60 °C.
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$ 15.24
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1-2 weeks delivery time The Blue Sea Circuit Breaker 2137 is a 40 A thermal circuit breaker with manual push-button reset only, rated for 32 V DC, featuring panel mount 3/8-27 UNS, #8 screw terminals, and an interrupt capacity of 3000 A at 14.7 V and 2500 A at 28 V. It is trip-free, ignition protected, and operates within -10 °C to 60 °C.
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$ 15.24
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1-2 weeks delivery time The Blue Sea Circuit Breaker 2142 is a medium-duty, weatherproof thermal circuit breaker rated at 50 A, supporting 120 V AC and 32 V DC, with manual push-button reset only, #10-32 stainless steel terminal studs, terminal stud torque of 30 in-lb (3.39 Nm), and an interrupt capacity of 3000 A at 120 V AC and 5000 A at 32 V DC.
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$ 89.46
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1-2 weeks delivery time The Blue Sea 2146 is an SPDT remote control Contura switch with momentary ON-OFF-ON action, featuring a red actuator, designed for operation in environments resistant to vibration, shock, thermoshock, moisture, and salt spray, with a weight of 0.09 lb (0.04 kg).
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$ 42.52
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1-2 weeks delivery time The Blue Sea 2151 is a dual MRBF terminal fuse block rated up to 300 A at 58 V DC, designed for high-current DC circuits, featuring M8 (5/16") terminal studs, maximum torque of 75 in-lb (8.47 Nm), support for 5/16" ring terminals, and an insulating cap to prevent accidental shorts; fuse sold separately.
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$ 63.03
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1-2 weeks delivery time The Blue Sea 2201 is a terminal feed-through connector rated at 250 A and 48 V DC, featuring 5/16"-18 studs, a tin-plated copper alloy stud, reinforced thermoplastic base, recommended torque of 100 in-lb (11.3 N·m), and an IP66 rating for use when routing high-current cables through hulls, decks, and bulkheads.
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$ 37.59
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1-2 weeks delivery time The Blue Sea 2202 is a terminal feed-through connector rated at 250 A and 48 V DC, featuring 5/16"-18 studs, a tin-plated copper alloy stud, a reinforced thermoplastic base, and an IP66 rating, designed for routing high-current cables through hulls, decks, and bulkheads.
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$ 37.59
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1-2 weeks delivery time The Blue Sea 2203 is a terminal feed-through connector rated at 250 A and 48 V DC, equipped with 3/8"-16 studs, a tin-plated copper alloy stud, a reinforced thermoplastic base, recommended torque of 100 in-lb (11.3 N·m), and an IP66 rating for routing high-current cables through hulls, decks, and bulkheads.
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$ 41.50
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1-2 weeks delivery time The Blue Sea 2204 is a terminal feed-through connector rated at 250 A and 48 V DC, featuring 3/8"-16 studs, a tin-plated copper alloy stud, a reinforced thermoplastic base, recommended torque of 100 in-lb (11.3 N·m), and an IP66 rating for routing high-current cables through hulls, decks, and bulkheads.
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$ 41.50
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1-2 weeks delivery time The Blue Sea 2300 is a 10-gang common busbar rated at 150 A DC and 130 A AC, supporting 300 V AC and 48 V DC, featuring two 1/4" studs, ten #8-32 screw terminals, tin-plated copper bus, UL 94-V0 glass-reinforced thermoplastic base, clear polycarbonate cover, with stud torque of 60 in-lb (6.78 Nm) and screw terminal torque of 15 in-lb (1.69 Nm).
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$ 35.03
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1-2 weeks delivery time The Blue Sea 2301 is a 10-gang common busbar rated at 150 A DC and 130 A AC, supporting 300 V AC and 48 V DC, featuring two 1/4" terminal studs, ten #8-32 screw terminals, a tin-plated copper bus, and a UL 94-V0 glass-reinforced thermoplastic base, with stud torque of 60 in-lb (6.78 Nm) and screw terminal torque of 15 in-lb (1.69 Nm).
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$ 30.27
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1-2 weeks delivery time The Blue Sea 2302 is a 20-gang common busbar rated at 150 A DC and 130 A AC, supporting 300 V AC and 48 V DC, featuring two 1/4" terminal studs, twenty #8-32 screw terminals, a tin-plated copper bus, and a UL 94-V0 glass-reinforced thermoplastic base, with stud torque of 60 in-lb (6.78 Nm) and screw terminal torque of 15 in-lb (1.69 Nm).
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$ 46.95
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1-2 weeks delivery time The Blue Sea 2303 is a common busbar rated at 150 A DC and 130 A AC, supporting 300 V AC and 48 V DC, equipped with four 1/4"-20 terminal studs, a tin-plated copper bus, and a UL 94-V0 glass-reinforced thermoplastic base, with a stud torque rating of 60 in-lb (6.78 Nm).
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$ 39.16
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1-2 weeks delivery time The Blue Sea 2304 is a 5-gang common mini busbar rated at 100 A, supporting 300 V AC and 48 V DC, featuring two #10-32 terminal studs, five #8-32 screw terminals, a tin-plated copper bus, and a UL 94-V0 glass-reinforced thermoplastic base, with stud torque of 18 in-lb (2.03 Nm) and screw terminal torque of 15 in-lb (1.69 Nm).
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$ 22.77
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1-2 weeks delivery time The Blue Sea 2305 is a 4-gang common mini busbar rated at 100 A, supporting 300 V AC and 48 V DC, featuring four #10-32 terminal studs, a tin-plated copper bus, and a UL 94-V0 glass-reinforced thermoplastic base, with a stud torque rating of 18 in-lb (2.03 Nm).
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$ 25.19
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1-2 weeks delivery time The Blue Sea 2306 is a 6-gang common mini grounding busbar rated at 100 A DC, supporting 48 V DC, featuring six #8-32 screw terminals, a tin-plated copper bus, with screw terminal torque of 15 in-lb (1.69 Nm), designed for compact installations with limited space.
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$ 12.25
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1-2 weeks delivery time The Blue Sea 2307 is a common busbar with four 1/4"-20 terminal studs, rated at 150 A DC and 130 A AC, supporting 300 V AC and 48 V DC, featuring a tin-plated copper bus, UL 94-V0 glass-reinforced thermoplastic base, clear polycarbonate cover, and a stud torque rating of 60 in-lb (6.78 Nm).
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$ 46.18
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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.