Hubbell HBL303NMBL 30A Inlet Boatside Polycarb

SKU: 1002312 - UPC: 783585040554 - MPN: HBL303NMBL
$112.59 $129.21 ( / )

Available Stock : 28

Discover the Reliability of Hubbell's 30A Boatside Inlet Engineered for the demanding marine environment, this 30A boatside inlet ensures a secure and dependable shore power connection for your vessel. Crafted with rugged polycarbonate construction, it stands up to constant exposure to saltwater, UV rays, and harsh weather, keeping your boat...
Hubbell Marine
Same Day

Shipping (3PM)

Free Returns

Within 30 days

Hubbell HBL303NMBL 30A Inlet Boatside Polycarb Product Description

Discover the Reliability of Hubbell's 30A Boatside Inlet

Engineered for the demanding marine environment, this 30A boatside inlet ensures a secure and dependable shore power connection for your vessel. Crafted with rugged polycarbonate construction, it stands up to constant exposure to saltwater, UV rays, and harsh weather, keeping your boat powered without interruptions. Ideal for recreational boaters and commercial operators alike, it delivers the peace of mind that comes from trusted marine-grade performance.

Superior Build for Lasting Marine Performance

  • Corrosion-Resistant Polycarbonate Housing: Non-metallic design prevents rust and degradation, even in salty coastal air, extending the inlet's lifespan far beyond standard alternatives.
  • Weatherproof Sealing: Gasketed cover and robust seals block moisture, dust, and debris, maintaining a watertight connection during storms or high-pressure dockside washes.
  • Finger-Safe Terminals: Recessed contacts minimize accidental shocks, prioritizing safety for you and your crew during connections or maintenance.
  • Twist-Lock Configuration: Secure NEMA L5-30R receptacle locks plugs firmly in place, resisting vibration from waves or engine rumble that could loosen standard plugs.

Why Boaters Choose This Inlet for Shore Power

Unlike flimsy imports that crack under pressure, this inlet meets stringent UL marine standards, ensuring it handles 30A at 125V without overheating or failing. Boaters report fewer power glitches and easier docking routines, as the compact boatside mounting fits seamlessly on transoms or bulkheads. It's not just about plugging in—it's about powering adventures reliably, from weekend cruises to extended offshore trips.

Hubbell 30A boatside inlet installed on boat transom, showing weatherproof cover and secure connection
Securely mounted boatside inlet ready for shore power hookup.

Effortless Installation and Everyday Use

Mounting is straightforward with pre-drilled holes and included hardware, fitting most boat hulls without modifications. Connect to your onboard wiring using color-coded terminals that accept up to #10 AWG wire, simplifying the job for DIY enthusiasts or pros. Once installed, the spring-loaded cover snaps shut automatically, protecting contacts when not in use. Pair it with standard 30A shore power cords for a plug-and-play setup at marinas worldwide.

Pro Tips for Optimal Performance

  1. Position the inlet at least 18 inches above the waterline to avoid splash damage.
  2. Inspect seals annually and lubricate with marine silicone for peak weather resistance.
  3. Use only compatible twist-lock plugs to prevent arcing and ensure full power delivery.
  4. For high-use boats, add a strain relief boot on the cord to further safeguard connections.

Built to Outperform in Real-World Conditions

Feedback from salty captains highlights its edge: it shrugs off ozone, chemicals from dock cleaners, and temperature swings from -40°F to 140°F. This isn't entry-level gear—it's the inlet serious boaters rely on to avoid blackouts mid-voyage, saving time, frustration, and repair costs down the line.

Frequently Asked Questions

What voltage and amperage does the Hubbell HBL303NMBL support?

It supports 30A at 125V, perfect for standard marine shore power needs on mid-sized boats.

Is this inlet suitable for saltwater environments?

Yes, the polycarbonate construction is UV-stabilized and corrosion-resistant, making it ideal for marine use including saltwater exposure.

Where should I install the boatside inlet on my boat?

Mount it on the transom or bulkhead, ideally 18-24 inches above the waterline for easy access and protection from splashes.

Does it come with a cordset or plug?

No, this is the inlet only. Pair it with a compatible 30A twist-lock shore power cord.

How do I maintain the inlet for long-term reliability?

Rinse with fresh water after saltwater exposure, check seals for wear, and apply marine-grade silicone lubricant yearly.

Is it compatible with common marina power pedestals?

Yes, it accepts standard NEMA L5-30P twist-lock plugs found at most marinas.

What wire size can I use for connections?

It accommodates up to #10 AWG wire, ensuring safe and efficient power transfer.

Hubbell HBL303NMBL 30A Inlet Boatside Polycarb

Model: HBL303NMBL
  • Expertly crafted from premium materials
  • Designed to match rigorous quality standards
  • High quality at a budget-friendly price
Specifications
Brand
Part Number HBL303NMBL




Frequently Asked Questions (FAQ) About Hubbell HBL303NMBL 30A Inlet Boatside Polycarb

Who is the Hubbell Marine?
What is the highlights of Hubbell HBL303NMBL 30A Inlet Boatside Polycarb?

Who is the Hubbell Marine?

Hubbell Incorporated is an American company that designs, manufactures and sells electrical and electronic products for non-residential and residential construction, industrial and utility applications. Hubbell was founded by Harvey Hubbell as a proprietorship in 1888, and was incorporated in Connecticut in 1905. Rugged, solid, safe, and reliable ? that?s what marine wiring devices from Hubbell Wiring Device-Kellems are designed to be. Every marine product we manufacture can face the harshest of conditions without sacrificing performance. Hubbell is making waves in the marine devices industry with Hubbell Wiring Device-Kellems marine market products. Drawing on over a century of commitment to innovation and quality, Hubbell Wiring Device-Kellems, an industry leader, is dedicated to developing and delivering marine products that improve performance, safety, and functionality. We are dedicated to developing and delivering marine products so that boat builders and boat captains can feel at ease while on the water. Most of our marine devices are made in the United States and are UL listed, CSA approved, and CE certified.

What is the highlights of Hubbell HBL303NMBL 30A Inlet Boatside Polycarb?



Save $16 when you buy the Hubbell HBL303NMBL 30A Inlet Boatside Polycarb for only $112 from NVN Marine! Same day shipping before 3pm.

Hubbell HBL303NMBL 30A Inlet Boatside Polycarb Technical Specifications

Type: 

Boat Outfitting | Shore Power

Vendor: 

Hubbell Marine

Weight: 

1.0 lb

Hubbell HBL303NMBL 30A Inlet Boatside Polycarb User Reviews

Hubbell HBL303NMBL 30A Inlet Boatside Polycarb Shipping & Return

Shipping Weight: 

1.0 lb

Box Sizes: 

1.00 (h) x 1.00 (w) x 1.00 (l)

Cubic Feet: 

1.0

Returnable: 

Yes

USPS First Class: 

Yes

P65: 

Yes

For detailed shipping policy please check our Shipping Policy and you can find our Return and Refund Policy here.

Hubbell HBL303NMBL 30A Inlet Boatside Polycarb

$112.59 $129.21 ( / )