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Blue Sea Systems 9003E e-Series Battery Switch Single Circuit On-Off

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

9003E
06/01/2036 4:46 AM
Sale Price

$36.60

In Stock (10+)

delivery box

Usually delivered within 2 days

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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 9003E e-Series Battery Switch provides reliable single circuit on/off control for marine electrical systems. Engineered for both safety and durability, this battery switch is ignition protected, making it safe for installation aboard gasoline-powered boats, and meets all American Boat and Yacht Council (ABYC) requirements for battery switches.

Key Features:

  • Ignition protected design safe for gasoline-powered vessels
  • Versatile mounting options with surface or rear panel installation capability
  • Heavy-duty 3/8"-16 tin-plated copper studs for maximum conductivity and corrosion resistance
  • Extended 7/8" (22.22mm) stud length accommodates multiple cable terminals
  • Tactile textures on knob indicate switch position by feel for easy operation
  • CE marked for compliance with European standards
  • Accepts both 3/8" and M10 ring terminals for versatile connections

Built to withstand harsh marine environments, the 9003E features a robust case design that protects internal components while providing flexible mounting solutions. The tin-plated copper studs resist corrosion even in saltwater conditions, ensuring long-term reliability and optimal electrical performance.

Products specifications

Type

ON-OFF

dont see how to claim the 3% discount

The quality of the product is as expected and delivery was fast. Will be visiting Autoplicity.com in the near future.

good

Great website, great prices, great shipping speed.

Quick to find part, good price, reasonable shipping. Website is easy to use - that's a real plus.

okay

Just placed order. Seems routine.

Easy.

fast and easy with great pricing. short bed liner and dark window vents at one stop shopping.

What I needed and in stock So far so good ;-)

Good

First time shopper

Price was way below anyone else. Delivered on time and as advertised

Price was cheapest compared to several other sites I searched. I will probably do repeat business!

quick and express-like. maybe too expressy

Great Job

Quick and easy.

slight hiccup with payment, but paypal triumphed over Amazon!

Great experience. Easy. Thank you.

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