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SmartPlug C30503BM30NT 30 Amp 50ft Dual Configuration Cordset with Stainless Steel Inlet

Manufacturer

SmartPlug

<h3>SmartPlug: Reinventing Shore Power Safety for Marine &amp; RV Applications</h3><p>Founded in 2007 in Seattle, Washington, SmartPlug set out to solve one of the most persistent hazards in boating and RV ownership: unreliable shore power connections. Traditional twist-lock connectors — largely unchanged since the 1930s — are notorious for developing loose connections and corrosion over time, two of the leading causes of electrical fires at marinas and campgrounds. SmartPlug was built from the ground up to change that.</p><h3>A Patented System Built Around Safety</h3><p><strong>SmartPlug's shore power system</strong> replaces the aging twist-type design with an intuitive, straight-in connector that locks securely using side clips rather than relying on a threaded collar. The result is a system that delivers dramatically more electrical contact area than conventional connectors, a multi-point locking mechanism, and triple weatherproof seals that keep moisture, salt spray, and dust out of the housing — the very conditions that cause corrosion and connection failures.</p><p>The 30-amp inlet also features an epoxy-potted thermal breaker that trips before wire jackets can melt, then automatically resets once temperatures drop to a safe level — a safety feature found in no other shore power system on the market. Even installation is thoughtfully designed, with color-coded clamping screws that match standard wire colors to make the process nearly foolproof.</p><h3>A Full Line of Shore Power Products</h3><p>SmartPlug's product catalog covers every link in the shore power chain. Whether you need a retrofit connector for an existing cord, a complete inlet-and-connector combo kit, or a full cordset for a new installation, SmartPlug offers solutions for 15-amp, 30-amp, and 50-amp systems. Their <a href="/11569-smartplug-marinco-shore-power-adaptors-202219">shore power adaptors</a> are especially popular among boaters who frequent diverse marinas where outlet configurations vary, ensuring a compatible, secure connection is always within reach. Beyond marine use, SmartPlug also produces RV, specialty vehicle, and dockside power products, making their system one of the most versatile shore power platforms available.</p><h3>Why Boaters and RV Owners Trust SmartPlug</h3><p>SmartPlug products are respected by marine electricians, insurance professionals, and passionate boaters alike. The ergonomic straight-in design eliminates the fumbling and torquing associated with twist-locks — a meaningful advantage when connecting in the dark, in rough weather, or for users with limited hand strength. The brand's commitment to continuous improvement is evident in ongoing design refinements driven by real-world feedback from the boating and RV community.</p><p>For anyone who stores their boat or RV at a dock or campground for extended periods, upgrading to a SmartPlug system is one of the most impactful electrical safety investments available.</p>

Part Number

C30503BM30NT
06/01/2036 11:11 AM
Sale Price

$447.95

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Product Details

Upgrade your 30-amp shore power system with this complete SmartPlug dual configuration cordset and stainless steel boat inlet package. This kit allows you to retrofit your boat with modern SmartPlug technology while maintaining compatibility with standard NEMA twist-type dockside pedestals found in most marinas.

The 50-foot cordset features a SmartPlug 30A connector on the boat end and a standard NEMA L5-30P twist-lock plug on the dock end, delivering superior safety and convenience over traditional shore power connections. The stainless steel inlet provides corrosion resistance and durability in harsh marine environments.

Key Features:

  • Oversized power pins and clips with 20 times more electrical surface area than curved NEMA pins for superior conductivity and reduced overheating
  • Straight pin design eliminates twisting - plug pushes straight in and locks automatically with spring-loaded side clips
  • Tinned copper wire throughout entire length provides maximum conductivity and corrosion resistance
  • 316 stainless steel external components and nickel-plated brass pins for durability
  • Unique sleeve design fits snugly within inlet, eliminating pressure and tension on electrical connections
  • TPE Dyna-flex cord seal creates weatherproof protection
  • Cool blue LED power indicator light on connector shows when power is active
  • Super-flexible cord remains pliable even in cold weather for easy handling and storage
  • Inlet uses industry-standard mounting hole pattern compatible with Hubbell, Marinco, and other brands

What's Included:

  • 50-foot dual configuration cordset with SmartPlug boat connector and NEMA dockside plug
  • 30-amp stainless steel boat inlet
  • Rear mounting gasket
  • Cable strain relief
  • Hex key for installation
  • Zip cordset storage bag

The SmartPlug system addresses the primary cause of shore power failures - overheating due to poor electrical conductivity - through engineering improvements that provide safer, more reliable power delivery compared to outdated NEMA connector designs from 1938.

Products specifications

Amperage

30 Amps

Length

50 Feet

Voltage

125 Volts

Warranty Details

Seven Years; Limited Warranty

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It was very easy to find the part I needed at a reasonable price.

Fast easy and great price

Found what I needed a check out was super fast

I had to disable ublock origins to process order. While this doesn't guarantee any security concerns, it is uncommon for online purchasing sites.

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ITS OK SO FAR

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