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Blue Sea Systems 3091 C-Series ELCI Main Circuit Breaker

Manufacturer

Blue Sea Systems

<p>When electrical reliability can mean the difference between a successful voyage and a dangerous situation, marine professionals and enthusiasts turn to Blue Sea Systems. Founded in 1992, this American manufacturer has built a reputation for creating electrical components specifically engineered to withstand the unforgiving marine environment. Every product reflects a commitment to safety standards and real-world performance that has made Blue Sea Systems a leading name in marine and specialty vehicle electrical systems.</p> <h3>Engineering for the Marine Environment</h3> <p>Blue Sea Systems develops and manufactures dependable AC and DC electrical products for marine and specialized vehicle applications, designed in the USA and engineered to excel in challenging environments. The marine environment presents unique challenges—salt spray, constant vibration, temperature extremes, and moisture exposure—that can quickly degrade inferior electrical components. Blue Sea Systems addresses these challenges through careful material selection, rigorous testing protocols, and designs that prioritize both safety and serviceability. Their components are engineered for marine use and align with the intent of ABYC E-11: AC and DC Electrical Systems on Boats and relevant USCG electrical regulations.</p> <h3>Commitment to Safety Standards</h3> <p>Safety standards aren't just guidelines for Blue Sea Systems—they're fundamental to every product design. All Blue Sea Systems marine battery disconnect switches comply with the ABYC C-7 certification, demonstrating their commitment to meeting and exceeding industry safety requirements. The company maintains ABYC-certified employees across multiple departments, from engineering to technical support, ensuring deep expertise in marine electrical system design and installation standards.</p> <h3>Comprehensive Product Range</h3> <p>Blue Sea Systems offers an extensive catalog designed to address every aspect of marine electrical systems. Their <a href="/7262-blue-sea-systems-circuit-breakers-200260">circuit breakers</a> provide resettable overcurrent protection with trip-free designs and clear trip indication for quick diagnostics. For power management, their <a href="/7262-blue-sea-systems-battery-switches-manual-200149">battery switches</a> offer reliable methods for controlling battery banks and disconnecting loads during storage or emergencies, with ABYC C-7 compliance guaranteed.</p> <p>Monitoring system health is critical aboard any vessel, which is why their <a href="/7262-blue-sea-systems-battery-monitors-volt-meters-200146">battery monitors and volt meters</a> provide accurate real-time data to help operators make informed decisions about power usage and charging. The company's <a href="/7262-blue-sea-systems-terminal-blocks-bus-bars-201059">terminal blocks and bus bars</a> create organized, serviceable connection points that simplify installation and future modifications. For keeping batteries properly charged, Blue Sea Systems offers <a href="/7262-blue-sea-systems-battery-chargers-200141">battery chargers</a> engineered with features like automatic charging relay compatibility and proper charge profile management.</p> <h3>Built by Boaters, for Boaters</h3> <p>Blue Sea Systems was founded based on a commitment to create innovative high quality marine electrical products to improve the safety, simplicity, and reliability of boating, with employees who are active boaters applying their passion to designing, developing, and building products. This firsthand experience translates into practical features like modular layouts, standardized footprints, and installer-centric designs that streamline panel work and serviceability. The result is a product line that addresses real challenges faced on the water, backed by comprehensive technical documentation and support resources that help both professionals and DIY enthusiasts complete installations with confidence.</p>

Part Number

3091
08/02/2036 8:58 PM
Sale Price

$612.29

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Product Details

The Blue Sea Systems 3091 C-Series ELCI Main Circuit Breaker delivers critical shore power protection for marine electrical systems. Combining a high-quality circuit breaker with an Equipment Leakage Circuit Interrupter (ELCI), this device provides a critical layer of safety by detecting ground faults and leakage currents that can pose serious shock hazards aboard any vessel.

Designed to meet ABYC A-28 and UL 1053 standards, the C-Series ELCI monitors the entire AC electrical system and trips instantly when a leakage current of 30mA or more is detected — protecting passengers and crew from potentially lethal electric shock drowning (ESD). This unit is intended for installation as the main shore power disconnect at the electrical panel.

Key Features:

  • Integrated ELCI (Equipment Leakage Circuit Interrupter) protection — 30mA trip threshold
  • Complies with ABYC A-28 and UL 1053 safety standards
  • C-Series modular design for clean, professional panel installations
  • Functions as both main circuit breaker and ELCI protection in a single unit
  • Two-pole design for single-phase 120V AC shore power systems
  • TEST and RESET buttons for easy verification and manual reset
  • Designed for use as a main shore power disconnect breaker
  • Durable construction suited for the harsh marine environment

The Blue Sea Systems C-Series ELCI Main Circuit Breaker simplifies compliance with marina and Coast Guard requirements while keeping your vessel's AC electrical system safe. Its modular C-Series form factor integrates seamlessly with other Blue Sea Systems panel components for a professional, organized electrical installation.

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