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Blue Sea Systems 3121 SMS Panel Enclosure with ELCI 16A Main 230V AC

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

3121
06/01/2036 3:36 AM
Sale Price

$707.12

4 left at this price

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Usually delivered within 2 days

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No Hassle Returns

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Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Blue Sea Systems 3121 SMS Panel Enclosure is designed specifically for Equipment Leakage Circuit Interrupters (ELCI) main circuit breakers and other large frame marine electrical devices. This robust panel enclosure meets ABYC E-11 standards when used with an ELCI main circuit breaker and installed within 10 feet of the AC shore power inlet, making it an essential safety component for 230V AC marine electrical systems.

Key Features:

  • Pre-configured with 1 x ELCI 16A main breaker position (230V AC) and 3 blank apertures for custom circuit breaker loading
  • Glass-filled polycarbonate base provides exceptional durability in harsh marine environments
  • Clear cover allows easy visual inspection of circuit breaker status without opening enclosure
  • Overlapping cover design enhances structural strength and improves gasket protection
  • Oversized, formed-in-place seamless polyurethane gasket ensures superior water resistance
  • Removable stainless steel hinge pin allows unobstructed installation access
  • Stainless steel latch secures cover without penetrating the enclosure body
  • Compatible with Carling Technologies A and C Series Flat Rocker and ELCI Main circuit breakers
  • Integrated LED indicators: 1 red LED for reverse polarity warning and 3 green LEDs for ON indication
  • Includes waterproof cable glands for secure wire entry

Technical Specifications:

  • Configuration: 1 x ELCI 16A Main (230V AC) + 3 Blank Positions
  • Overall Dimensions: 7.6" H x 7.4" W x 4.7" D (192 x 188 x 120mm)
  • Enclosure Dimensions: 6" H x 6" W x 4" D (152 x 152 x 102mm)
  • Voltage: 230V AC
  • Material: Glass-filled polycarbonate with polyurethane gasket

Package Contents:

  • 3121 SMS Panel Enclosure
  • 5 waterproof cable glands
  • Circuit identification labels
  • Stainless steel mounting hardware
  • Installation instruction manual

This panel enclosure provides a professional, safe, and code-compliant solution for managing marine AC electrical systems with ELCI protection.

It was what it should be Thank You Art

Great pricing

Easy sales process

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Great price just what I wanted.

This was my first order and your representative walked me through the process on the phone to make it a seamless order.

Easy process to find and order my new seat pedestal. Delivery was faster than expected and the seat is repaired and working great. Thanks for the ease with your the online ordering process. Best, Bob

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