Hubbell HBL63CM64 Female Conn 50A 250V Product Description

Hubbell HBL63CM64 Marine 50A Female Connector - 125/250V High-Voltage Capacity

Maximize your marine electrical system's versatility with the Hubbell HBL63CM64 50A Marine Female Connector, engineered for dual voltage capability at 125/250V with a robust 3-pole, 4-wire grounding configuration. This heavy-duty galvanized connector delivers exceptional performance for high-capacity marine electrical systems requiring both standard and high-voltage power distribution.

Dual Voltage Capability

• 125/250V Operation: Flexible voltage capability for diverse marine electrical applications
• 50 Ampere Capacity: High-current handling for demanding marine electrical loads
• 3-Pole, 4-Wire Configuration: Complete electrical safety with dedicated neutral and grounding
• 240V Split-Phase Compatible: Supports North American split-phase power systems
• Enhanced Grounding: 4-wire system provides superior electrical safety
• Versatile Power Distribution: Single connection for multiple voltage requirements

Marine-Grade Construction Excellence

• Galvanized Corrosion Protection: Multi-layer protection against saltwater corrosion
• Composite Body Construction: Advanced materials for structural integrity and insulation
• Screw Terminal Connection: Secure wire termination for permanent installations
• Twist-Lock Security: Hubbell's proven locking mechanism prevents disconnection
• Non-NEMA Marine Design: Optimized for specialized marine electrical requirements
• Wide Temperature Range: Operates reliably from -40°C to +75°C continuous

Technical Specifications

Advanced Marine Applications

Essential for sophisticated marine electrical systems:

• Large yacht and superyacht dual-voltage shore power systems
• Commercial vessel 240V equipment connections
• Marina power distribution with multiple voltage requirements
• High-capacity marine HVAC systems requiring 240V
• Marine galley equipment with dual voltage needs
• Industrial marine applications requiring higher voltages
• Shipyard and marine service facility power connections

3-Pole, 4-Wire Grounding Advantages

The 4-wire configuration provides superior electrical safety through:

• Dedicated Neutral: Separate neutral conductor for balanced electrical systems
• Equipment Grounding: Independent grounding conductor for enhanced safety
• Voltage Flexibility: Supports both 125V and 250V applications from single connection
• Balanced Loading: Proper load distribution across phases
• ABYC Compliance: Meets marine electrical safety standards for grounding

Dual Voltage Applications

The 125/250V capability enables:

• 125V Applications: Standard marine accessories, lighting, and electronics
• 250V Applications: High-efficiency marine HVAC, large galley equipment
• 240V Split-Phase: North American marina compatibility for high-power loads
• System Efficiency: Higher voltages reduce current and improve efficiency
• Equipment Compatibility: Accommodates both standard and high-voltage marine equipment

Professional Installation Requirements

50A dual-voltage marine connections require certified marine electrician installation:

• Proper Wire Sizing: Appropriate conductors for 50A service at operating voltage
• Voltage Verification: Confirm system voltage compatibility before connection
• Grounding Compliance: Proper 4-wire grounding per ABYC E-11 standards
• Overcurrent Protection: Appropriate protection for dual-voltage applications
• Phase Balance: Proper load distribution across electrical phases

Marine Environmental Durability

Engineered for extended marine service life:

• Galvanized finish provides sacrificial corrosion protection
• Composite materials resist UV degradation and chemical exposure
• Wide temperature range accommodates extreme marine conditions
• Impact resistance ensures reliability under mechanical stress
• Saltwater and moisture resistance for harsh marine environments

Safety & Compliance

The HBL63CM64's marine-grade construction and 4-wire grounding support ABYC E-11 compliance for marine electrical systems. The dual voltage capability and robust construction meet the demanding requirements of modern marine electrical installations.

Frequently Asked Questions

What wire sizes are required for 50A dual-voltage service?

Wire sizing depends on voltage and application. Consult ABYC E-11 standards and a certified marine electrician for proper conductor sizing based on your specific voltage and installation requirements.

Can this connector handle both 125V and 250V simultaneously?

The connector is designed for systems that can provide either 125V or 250V depending on how it's wired and connected, not both voltages simultaneously from a single connection.

What's the advantage of 4-wire grounding over 3-wire?

4-wire provides separate neutral and equipment grounding conductors, offering superior safety, better fault protection, and compliance with modern marine electrical standards.

Is this connector compatible with standard marina pedestals?

This Non-NEMA marine connector may require specific matching plugs. Verify compatibility with your specific marina or shore power system before installation.

How does dual voltage capability benefit marine installations?

Dual voltage allows a single connection to serve both standard 125V marine equipment and higher voltage systems like 240V HVAC or galley equipment, reducing infrastructure complexity.

What maintenance is required for galvanized marine connectors?

Regular visual inspection for corrosion or damage, fresh water rinsing after saltwater exposure, and verification of connection integrity. Replace if galvanizing shows signs of significant deterioration.

Hubbell Locking Devices, Twist-Lock®, Marine Grade, Female Connector Body, 50A 125/250V, 3-Pole 4-Wire Grounding, Non-NEMA, Screw Terminal, Galvanized

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