Hubbell HBL503SS Inlet Round 50A 125V

SKU: 1000628 - UPC: 783585040578 - MPN: HBL503SS
$195.79 $324.36 ( / )

Available Stock : 2

Hubbell HBL503SS Round 50A 125V Stainless Steel Shore Power Inlet - Premium Marine Power Connection Hubbell Marine Model: HBL503SS UPC: 783585040578 Premium stainless steel 50-amp marine shore power inlet combining traditional styling with modern performance for discerning boat owners. The Hubbell HBL503SS features a robust stainless steel construction with gasketed...
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Hubbell HBL503SS Inlet Round 50A 125V Product Description

Hubbell HBL503SS Round 50A 125V Stainless Steel Shore Power Inlet - Premium Marine Power Connection

Hubbell Marine Model: HBL503SS UPC: 783585040578

Premium stainless steel 50-amp marine shore power inlet combining traditional styling with modern performance for discerning boat owners. The Hubbell HBL503SS features a robust stainless steel construction with gasketed self-closing cover that provides watertight protection when securely fastened, delivering reliable high-capacity power connections for luxury yachts and performance boats.

This professional-grade inlet offers the classic appeal of stainless steel hardware while meeting demanding IP56 weatherproof standards. The self-closing cover automatically shields interior components from marine elements, ensuring long-term electrical reliability and maintaining the aesthetic appeal that stainless steel provides.

Key Features & Premium Benefits

  • High-Capacity 50-Amp Rating: Supports large boats and yachts with demanding electrical systems and multiple high-power appliances
  • Premium Stainless Steel Construction: Traditional marine-grade stainless steel provides superior corrosion resistance and timeless aesthetic appeal
  • Self-Closing Gasketed Cover: Automatic closure protects interior components while maintaining watertight integrity
  • Watertight Performance: IP56-rated protection ensures reliable operation in harsh marine weather conditions
  • Standard Installation Pattern: 2-3/8" mounting centers match existing marine electrical installation standards
  • Complete Hardware Package: Includes mounting screws and gasket for professional installation
  • Precision Engineering: 2.171" rear diameter provides secure deck penetration and mounting

Technical Specifications

Current Rating: 50 Amperes
Voltage: 125V AC
Construction: Marine-grade stainless steel
Cover Type: Self-closing gasketed
IP Rating: IP56 (watertight when fastened)
Mounting Centers: 2-3/8" (60.3mm)
Rear Diameter: 2.171" (55.1mm)
Included Hardware: Mounting screws and gasket

Stainless Steel Marine Construction

The HBL503SS represents the pinnacle of marine electrical hardware, featuring traditional stainless steel construction that provides both functional excellence and timeless aesthetic appeal. The marine-grade stainless steel resists corrosion, maintains its appearance over years of exposure, and complements other stainless steel hardware on premium vessels.

Premium Construction Features:

  • Marine-Grade Stainless Steel: Superior corrosion resistance in saltwater environments
  • Self-Closing Mechanism: Automatically protects interior from weather and spray
  • Precision Gasketing: Ensures watertight seal when cover is properly secured
  • Polished Finish: Maintains aesthetic appeal and resists weathering
  • Robust Hardware: Heavy-duty construction withstands marine service conditions

Installation & Premium Applications

Designed for permanent installation on premium vessels where both performance and appearance matter, this inlet provides reliable 50-amp shore power while maintaining the classic stainless steel aesthetic preferred by discerning boat owners and yacht builders.

Premium Vessel Applications:

  • Luxury motor yachts and sportfishing boats
  • High-end sailboats with comprehensive electrical systems
  • Classic boats requiring traditional stainless steel hardware
  • Charter yachts and commercial vessels with appearance standards
  • Sportfishing boats with tournament-level electrical demands
  • Restoration projects requiring period-correct stainless hardware

Advanced Weather Protection

The self-closing gasketed cover provides automatic protection against marine weather conditions. When properly fastened, the inlet achieves watertight performance with IP56 rating, protecting internal electrical components from water ingress while maintaining reliable power connectivity.

Weather Protection System:

  • Automatic Closure: Self-closing cover protects when connection is removed
  • Watertight Seal: Gasket system prevents water ingress when secured
  • IP56 Rating: Professional-grade protection against water jets and spray
  • Corrosion Immunity: Stainless steel construction eliminates rust concerns
  • Long-Term Reliability: Maintains seal integrity over years of marine service

Professional Installation

The standard 2-3/8" mounting pattern ensures compatibility with existing marine electrical installations, while the included hardware package provides everything needed for professional installation. The 2.171" rear diameter accommodates standard deck penetrations and mounting configurations.

Installation Requirements:

  • Marine-grade 50-amp wiring and appropriate circuit protection
  • Proper deck or hull penetration sealing for watertight integrity
  • ABYC-compliant installation practices and grounding
  • Access to interior wiring area during installation
  • Professional marine electrician installation recommended

Frequently Asked Questions

What makes this inlet different from non-metallic versions?

This stainless steel inlet provides superior durability, corrosion resistance, and traditional marine aesthetic appeal. While non-metallic versions offer corrosion immunity, the stainless steel construction provides enhanced mechanical strength and the classic appearance preferred on premium vessels.

How does the self-closing cover work?

The self-closing cover automatically closes when the shore power connection is removed, protecting the interior electrical components from weather, spray, and contamination. When properly secured, it creates a watertight seal that meets IP56 standards.

Is this inlet suitable for saltwater marine use?

Yes, the marine-grade stainless steel construction is specifically designed for saltwater environments. The stainless steel provides excellent corrosion resistance while maintaining both structural integrity and aesthetic appeal in harsh marine conditions.

What size boats typically use 50-amp shore power inlets?

Boats typically 40 feet and larger often require 50-amp shore power, especially luxury yachts, large sailboats, and powerboats with air conditioning, electric water heaters, and multiple electrical systems that exceed the capacity of 30-amp systems.

Does this inlet require special shore power cords?

This inlet works with standard 50-amp, 125V marine shore power cords available at marinas and marine supply stores. The connection accepts the industry-standard connector used throughout North American marina systems.

Experience premium marine electrical performance with Hubbell's traditional stainless steel construction. The HBL503SS inlet combines classic marine hardware aesthetics with modern electrical performance, delivering the reliability and appearance that premium vessel owners demand.

Premium Shore Power Stainless Steel Hardware 50A Marine Inlets Luxury Yacht Systems

Traditional stainless steel shore power inlet has gasketed, self-closing cover so interior is shielded from the elements when not in use. Watertight when cover is securely fastened. Mounting holes are 23/8" (60.3) on centers, and rear portion has 2.171" (55.1) diameter. Mounting screws and gasket included. IP56 SUITABILITY.



The traditional stainless steel shore power socket has an automatic closing cover with a gasket, so when not in use, the inside is isolated from the components. When the cover is firm, the water tightness is good.

Frequently Asked Questions (FAQ) About Hubbell HBL503SS Inlet Round 50A 125V

Who is the Hubbell Marine?
How to describe Hubbell HBL503SS Inlet Round 50A 125V?
What is the highlights of Hubbell HBL503SS Inlet Round 50A 125V?

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.

How to describe Hubbell HBL503SS Inlet Round 50A 125V?

The traditional stainless steel shore power socket has an automatic closing cover with a gasket, so when not in use, the inside is isolated from the components. When the cover is firm, the water tightness is good.

What is the highlights of Hubbell HBL503SS Inlet Round 50A 125V?



Save $128 when you buy the Hubbell HBL503SS Inlet Round 50A 125V for only $195 from NVN Marine! Same day shipping before 3pm.

Hubbell HBL503SS Inlet Round 50A 125V Technical Specifications

Type: 

Boat Outfitting | Shore Power

Vendor: 

Hubbell Marine

Weight: 

3.0 lb

Hubbell HBL503SS Inlet Round 50A 125V User Reviews

Hubbell HBL503SS Inlet Round 50A 125V Shipping & Return

Shipping Weight: 

3.0 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 HBL503SS Inlet Round 50A 125V

$195.79 $324.36 ( / )