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Blue Sea Systems 3135 SMS Panel Enclosure 12/24V DC 100A UL Main 3 Branch 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

3135
06/01/2036 9:08 AM
Sale Price

$389.56

2 left at this price

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

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Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Blue Sea Systems 3135 SMS Panel Enclosure is a professional-grade waterproof housing designed for DC circuit breakers and large frame electrical devices in marine and mobile applications. This robust enclosure accommodates one UL 489 DC Main circuit breaker (up to 100A) and three Branch circuit breakers rated for 12/24V DC (15A each), providing comprehensive electrical distribution and protection.

Key Features:

  • Durable Construction: Glass-filled polycarbonate base with clear cover allows easy visual inspection of circuit breaker status without opening
  • Weather Protection: Oversized, formed-in-place seamless PUR gasket with overlapping cover design for superior strength and gasket protection
  • Flexible Configuration: Blank apertures accommodate Carling Technologies A and C Series Flat Rocker and ELCI Main circuit breakers for custom breaker loading
  • Easy Installation: Easily removable stainless steel hinge pin allows unobstructed installation access
  • Secure Closure: Stainless steel latch secures cover without penetrating the enclosure, maintaining waterproof integrity
  • LED Indicators: Six amber LEDs (12/24V DC) provide backlighting and ON indication for circuit status at a glance
  • Complete Package: Includes six waterproof cable glands, circuit labels, mounting hardware, and instruction manual

Technical Specifications:

  • Voltage Rating: 12/24V DC
  • Circuit Capacity: 1 x UL 489 DC Main (up to 100A), 3 x Branch (15A each)
  • Overall Dimensions: 7.6" H x 7.4" W x 4.7" D
  • Enclosure Interior: 6" H x 6" W x 4" D
  • LED Indicators: 6 x Amber 12/24V DC
  • Material: Glass-filled polycarbonate with stainless steel hardware

Ideal for boats, RVs, and off-grid power systems requiring organized, protected circuit breaker installations in harsh environments. Sold individually with all mounting hardware included.

Process was easy

order was easy to place came timely and no issues

Quick and easy!

Thanks

GREAT TRANSACTION RECEIVED PART IN A VERY TIMELY FASHION

Easy to navigate, package shipped same day would highly recommend

MMMM

Seamless as always!

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