Hubbell HBL64CM57 Marine Y Adapter - Connect Two 30A Cords to Single 50A Dock

Maximize your marina docking flexibility with the Hubbell HBL64CM57 Marine Y Adapter, the professional solution for connecting two 30A shore power cords to a single 50A dock connection. This molded marine-grade adapter enables boats with dual 30A systems to utilize 50A marina pedestals, providing the power distribution versatility that modern marine electrical installations demand.

Dual 30A to Single 50A Conversion

• Y-Configuration Design: Single 50A male input splits to dual 30A female outputs
• Maximum Power Utilization: Access full 50A capacity through two separate 30A circuits
• Marina Compatibility: Connect to 50A pedestals when 30A connections unavailable
• System Flexibility: Accommodates boats with dual 30A shore power systems
• Load Distribution: Balanced electrical load across two separate 30A circuits
• Professional Installation: Molded construction ensures reliable marine performance

Marine-Grade Construction Excellence

• Totally Molded Design: Seamless construction eliminates water intrusion points
• IP55 Environmental Rating: Superior protection against dust and water jets
• Composite Materials: Advanced engineering plastics for marine durability
• Twist-Lock Connections: Secure locking prevents accidental disconnection
• High-Visibility Yellow: Enhanced safety identification in marina environments
• Temperature Rated: Continuous operation from -40°C to +75°C

Technical Specifications

Model Number:	HBL64CM57
UPC Code:	783585808802
Input Configuration:	50A 125V Male Twist-Lock®
Output Configuration:	Dual 30A 125V Female Twist-Lock®
Adapter Type:	Molded "Y" Configuration
Body Construction:	Insulated Composite
Color:	High-Visibility Yellow
IP Rating:	IP55 (Dust & Water Jet Protection)
Temperature Rating:	-40°C to +75°C Continuous
Impact Rating:	-40°C without Impact
Material:	Marine-Grade Composite
Insulation Type:	Insulated Body
Application:	Marine Shore Power Y Adapter

Marina Power Distribution Solutions

Essential for versatile marine electrical connections:

• Boats with dual 30A shore power systems accessing 50A pedestals
• Temporary power distribution at marine events and boat shows
• Service yard applications requiring flexible power connections
• Emergency backup power distribution scenarios
• Marina infrastructure with mixed pedestal configurations
• Yacht club and marina facility power management

Electrical Load Management

The Y adapter configuration provides:

• Balanced Distribution: Each 30A output can handle up to 30A independently
• System Isolation: Separate circuits prevent cross-loading issues
• Maximum Utilization: Access to full 50A capacity when needed
• Load Flexibility: Different loads on each 30A circuit as required
• Safety Redundancy: Multiple circuits provide backup capability

Professional Marine Applications

Ideal for:

• Large Boats with Dual Systems: Yachts and powerboats with separate port/starboard shore power
• Service Applications: Marine service facilities needing flexible connections
• Temporary Installations: Event power distribution and temporary services
• Marina Operations: Facilities with mixed 30A/50A pedestal infrastructure
• Emergency Power: Backup power distribution during maintenance or outages

Installation & Safety Considerations

Professional installation guidelines:

• Load Calculation: Ensure combined load does not exceed 50A input capacity
• Circuit Protection: Verify appropriate overcurrent protection on each 30A circuit
• Grounding Verification: Confirm proper grounding continuity through adapter
• Connection Security: Ensure all twist-lock connections are properly engaged
• Environmental Protection: Position adapter to minimize exposure to spray and weather

ABYC Compliance & Marine Safety

This adapter supports ABYC E-11 compliance when properly installed and used within its ratings. The molded construction and marine-grade materials meet the durability and safety requirements for marine shore power applications.

Molded Construction Advantages

The molded Y design provides:

• Waterproof Integrity: No assembly joints to compromise water resistance
• Mechanical Strength: Single-piece construction withstands marine stresses
• Electrical Reliability: Integrated wiring eliminates connection points
• Corrosion Resistance: Sealed construction prevents internal corrosion
• Extended Service Life: Superior durability compared to assembled adapters

Marina Docking Efficiency

Streamline marina operations with:

• Reduced need for multiple pedestal types
• Improved slip utilization and flexibility
• Simplified power connection procedures
• Enhanced guest satisfaction through power availability
• Professional appearance and reliability

Frequently Asked Questions

Can I draw 30A from both outputs simultaneously?

Yes, you can draw up to 30A from each output as long as the total combined load does not exceed the 50A input capacity of the dock pedestal.

Is this adapter safe for permanent installation?

While built for durability, this adapter is typically intended for temporary connections. For permanent installations, consult a certified marine electrician and verify compliance with local codes.

Will this work with all 50A marina pedestals?

This adapter is designed for standard twist-lock connections. Most modern marinas use compatible configurations, but verify pedestal compatibility before connection.

How does load balancing work with this adapter?

Each 30A output operates independently. The electrical loads will automatically balance across the circuits, but manual load management may be needed to prevent overloading the 50A source.

Can I use this adapter in reverse (two 30A sources to one 50A load)?

No, this adapter is designed for one-directional use only - from single 50A source to dual 30A outputs. Reverse connection could create dangerous electrical conditions.

What maintenance is required for this adapter?

Regular visual inspection for cracks, corrosion, or damage. Clean connections periodically and verify twist-lock mechanisms operate properly. Store in dry conditions when not in use.

Hubbell Adapter, Marine Adapter, Molded "Y", 2) 30A 125V Locking Plugs to 50A 125/250V, Locking Female, Yellow

Model: HBL64CM57
Specifications

Application	"Y" Adapter
Color	Yellow
Insulation	Insulated Body
Item Type	Adapters
Material	Composite
Number Of Pins	Male- 50A 125V Twist-Lock®
OEM Brand Name	Hubbell Wiring Device-Kellems
Operating Temperature	Max Continuous- 75 Degrees C, Minimum- -40 Without Impact
Performance	Environmental - Moisture Resistance - IP55 Suitability (Connectors)
Receptacle Type	Female- 30A 125V Twist-Lock®

What is more interesting and meaningful than boating in open water? This is an excellent solution to meet your boating needs. This product is very suitable for use in all marine equipment.
SKU: NVN-1000644
MPN: HBL64CM57
UPC: 783585808802