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Blue Sea Systems 7047 Circuit Breaker 135 Amp Panel Mount

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

7047
06/01/2036 11:52 AM
Sale Price

$95.33

In Stock (10+)

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Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Blue Sea Systems 7047 is a 135 amp thermal circuit breaker designed for marine DC electrical systems. This panel-mount circuit breaker combines switching and circuit protection into a single device, providing both manual control and automatic overcurrent protection for high-amperage circuits.

Key Features:

  • 135 amp rating for high-current applications
  • Type III switchable design with manual reset and trip-free operation
  • Single lever operation with clear ON/OFF indication in vertical or horizontal orientation
  • Trip-free design prevents breaker from being held in ON position during fault conditions
  • Waterproof construction for harsh marine environments
  • Ignition protected - meets SAE J1171 requirements for safe installation on gasoline-powered boats
  • Self-trimming round case eliminates need for mounting panels or trim bezels
  • Recessed mounting holes for clean, flush appearance
  • Robust 5/16-inch terminal studs accept heavy gauge wire lugs with high torque connections
  • Easy installation with standard hole saw

Technical Specifications:

  • Circuit breaker type: Thermally responsive bi-metal blade
  • Maximum voltage rating: 48 Volts DC
  • Interrupt rating: 5,000 amps at 12V DC, 3,000 amps at 24V DC, 1,500 amps at 42V DC
  • Case material: Thermoset polyester
  • Operating temperature range: -13°F to 180°F (-25°C to +82°C)

This circuit breaker is ideal for protecting main power feeds, inverters, windlasses, bow thrusters, and other high-amperage equipment on boats and marine vessels.

Quick &amp; Easy!

Great price and fast shipping, beat auto anything by a mile.

it was easy to find exactly what i needed, good price and easy check out. Fast delivery. I'll be a repeat customer.

Good quick checkout.

Took a long time to ship. But was a great deal for the price of the product will order again.

Great!

Good prices and user friendly site!

Truly easy, fast and great way to get vehicle parts.

was very happy that i found this product10.00 cheaper even with shipping than the next company!

looking for fast shipping

Outstanding

Exact product as promised with the best price on the internet. Product shipped fast and had a tracking number to keep me up to date on my order. I would order from again without hesitation and will tell friends.

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