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Blue Sea Systems 2003 PowerPost High Amperage Cable Connector 3/8" Stud

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

2003
06/01/2036 9:08 AM
Sale Price

$11.97

In Stock (10+)

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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 2003 PowerPost is a high-amperage cable connector designed to terminate multiple large conductors onto a single, secure connection point. Built with a corrosion-resistant stainless steel stud and an insulated base, this power distribution post is ideal for marine, RV, and automotive electrical systems where reliable high-current connections are critical.

Key Features:

  • Single 3/8" x 7/8" stainless steel stud for secure cable termination
  • Insulated design prevents accidental short circuits
  • Base constructed from PBT thermoplastic rated UL94 V0 for flame resistance
  • Accommodates multiple large gauge conductors on one connection point
  • Corrosion-resistant materials ideal for harsh marine environments
  • Compact design simplifies power distribution in tight spaces

The PowerPost provides a clean, professional solution for consolidating positive or negative cables in battery banks, inverter installations, or any high-amperage distribution application. The insulated base protects against accidental grounding while providing a stable mounting platform.

Products specifications

Size

3.30'' x 1.75''

Stud Size

3/8" x 7/8''

This was a great seller, I chose them because they had the lowest price with incredibly low shipping for the item I purchased. It arrived on time and in great shape thanks to UPS. The product was the one that was described and it fit perfectly (exhaust). I will definitely be checking back for great deals and service. 10 out of 10!!!

first time on site .was easy to figure out

good customer service. after shopping around for a while i decided to go with them.

great so far

Good seller. Prompt email on ordering information. Fast shipping.

fast

thanks

Great price!

Autoplicity had the best price for what I needed. I received my order within 2 days boxed up nice and tight. What more could you ask for? I will be a repeat customer.

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Quick

Autoplicity had the best prices on the parts I needed. Their description of the products I was interested in was excellent! Shipping was very fast. Thanks Autoplicity I will be back!

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