My Account
Shopping Cart

Hubbell M4100R12 30A 125V Watertight Dockside Receptacle

Manufacturer

Hubbell

<h3>Engineering Excellence Since 1888</h3> <p>Founded in 1888 by inventor Harvey Hubbell II, Hubbell Incorporated began with groundbreaking inventions that transformed electrical connectivity, including the U.S. electrical plug and the pull-chain light socket. What started as a small manufacturing facility in Bridgeport, Connecticut has evolved into a global leader in utility and electrical solutions. Between 1896 and 1909, Harvey Hubbell was granted 45 patents on a wide variety of electrical products, establishing a legacy of innovation that continues to define the brand today.</p> <p>Today Hubbell continues its legacy of innovation as a leading manufacturer of utility and electrical solutions which enable customers to operate critical infrastructure safely, reliably, and efficiently. The company's commitment to engineering excellence has made it a trusted name across commercial, industrial, utility, and marine applications. From data centers and hospitals to marinas and recreational vessels, Hubbell products deliver the dependable performance that critical systems demand.</p> <h3>Marine Power Solutions Built for Harsh Environments</h3> <p>Hubbell has earned particular recognition for its marine electrical products, which are engineered to withstand the unique challenges of saltwater environments. The company's products are built to provide safe, dependable, and lasting power in harsh marine environments, with fully functional shore power that minimizes downtime. Marine professionals rely on Hubbell's reputation for quality when selecting components that must perform reliably in corrosive conditions where failure is not an option.</p> <p>The <a href="/7390-hubbell-hubbell-shore-power-adaptors-200549">Shore Power Adaptors</a> line exemplifies this commitment to marine excellence, offering boaters and marinas the secure connections they need for safe power transfer. For vessels requiring higher amperage capacity, Hubbell's <a href="/7390-hubbell-hubbell-100a-products-200543">100A Products</a> deliver heavy-duty performance in compact, corrosion-resistant housings. Harvey Hubbell III devised the company's lines of Twist-Lock industrial connectors with new 2-, 3-, and 4-wire devices of various ratings, and this innovation continues in today's marine-grade locking devices that prevent accidental disconnection in demanding conditions.</p> <h3>Comprehensive Amperage Solutions</h3> <p>Understanding that different vessels and applications require specific power configurations, Hubbell offers complete product lines across multiple amperage ratings. The <a href="/7390-hubbell-hubbell-50a-products-200546">50A Products</a> category serves as the workhorse for many recreational and light commercial marine applications, balancing capacity with practical installation requirements. For lighter-duty applications, <a href="/7390-hubbell-hubbell-30a-products-200545">30A Products</a> provide reliable connectivity in a compact form factor ideal for smaller vessels and auxiliary circuits.</p> <p>Beyond marine applications, Hubbell's expertise extends throughout the electrical industry. The company's <a href="/7390-hubbell-electrical-parts-accessories-200355">Electrical Parts & Accessories</a> showcase the breadth of engineering knowledge accumulated over more than a century of manufacturing excellence. Each product reflects the same attention to material selection, environmental resilience, and safety standards that have made Hubbell a preferred specification among electricians, contractors, and engineers worldwide.</p> <h3>Innovation That Powers Progress</h3> <p>Hubbell Incorporated has grown to be an international manufacturer of electrical and electronic products for a broad range of non-residential and residential construction, industrial, and utility applications. The company maintains manufacturing facilities across multiple continents and continues to invest in research and development that addresses evolving industry needs. From smart grid technologies to renewable energy infrastructure, Hubbell's product portfolio adapts to support the transition toward more efficient and sustainable power systems.</p> <p>Whether you're outfitting a new marina, upgrading shore power infrastructure, or maintaining critical electrical systems aboard commercial vessels, Hubbell's comprehensive range of marine and electrical products provides the quality and reliability that professionals demand. The company's dedication to manufacturing products that meet or exceed industry standards ensures that every connection, every adapter, and every component contributes to safer, more dependable electrical systems.</p>

Part Number

M4100R12
05/31/2036 8:37 PM
Sale Price

$866.99

4 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Hubbell M4100R12 is a heavy-duty dockside shore power receptacle designed for marine applications requiring reliable 30-amp, 125-volt electrical connections. Built with durable gray Supertough® nylon construction, this receptacle is engineered to withstand harsh marine environments and constant exposure to the elements.

Key Features:

  • Supertough® nylon housing provides superior impact resistance and UV protection
  • Gasketed, spring-loaded cover closes automatically when not in use for continuous protection
  • Watertight seal when cover is securely fastened prevents water intrusion
  • Mounting holes are 4-7/8 inches (123.8mm) on centers for standard installation
  • Includes mounting screws and gasket for complete installation
  • 30A, 125V configuration (NEMA L5-30 locking type)

This receptacle is ideal for marinas, docks, and waterfront facilities providing shore power to boats and recreational vessels. The automatic closing cover and watertight design ensure long-term reliability and safety in wet environments.

Products specifications

Description

3 Pole, 4 Wire Grounding

Rating

100A 125/250V

it was easy finding the product that I was looking for.

I thought it was free shipping.

Very good

Timing gearset arrived in under 48 hrs! Gears look well made. Can't wait to get them on my car. Thanks for the great service!

Great price and quick and easy to buy

I had a problem with one of the products i purchased and Autoplicity went above and beyond what most companies would do in such a case. I would definitely purchase from them again.

A real pleasure doing business with you guys. I ordered over the phone and received great service and the correct product in a very timely matter. Very pleasant transaction with no hassles! Thank You so much. John W.

I love to shop at Autoplicity because of their selections and pricing options. Fast shipping and great customer service. The only thing I'd like to see is the site needs a continue shopping option after looking at cart. My overall experience has always

Just received my wheel lock. It is exactly as described and came very quickly. Autoplicity has the cheapest price and great service.

Good experience,east to navigate site,easy checkout,very good price!

Received product very fast great condition packaged well would recommend to friends will definitely come back to buy. A+ company

Product came fast and shipped well. Price was far better than I could find elsewhere. What else could you ask for?

Best price I could find. Good communication with shipping notification received when item shipped.

very fast

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy