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Hubbell HBL504NM 50A 125/250V Shore Power Inlet - Dual-Voltage Marine Power Connection
Advanced dual-voltage 50-amp marine shore power inlet designed for vessels requiring both 125V and 250V power capabilities. The Hubbell HBL504NM features heat-resistant thermoset interior construction with professional box lug terminals, providing secure connections for high-power marine electrical systems on luxury yachts and large powerboats.
This non-metallic inlet combines corrosion-free construction with superior electrical performance, featuring UV-resistant white Centrex cover that maintains weatherproof integrity. The advanced terminal design accommodates the demanding wiring requirements of dual-voltage shore power systems.
Key Features & Dual-Voltage Benefits
- Dual-Voltage Capability: Supports both 125V and 250V shore power systems for maximum electrical flexibility
- High-Capacity 50-Amp Rating: Handles demanding electrical loads from large vessels with comprehensive electrical systems
- Heat-Resistant Interior: Thermoset material construction withstands high electrical loads without degradation
- Professional Box Lug Terminals: Secure, high-current connections for large gauge marine wiring
- Corrosion-Free Design: Non-metallic construction eliminates galvanic corrosion concerns
- UV-Resistant Cover: White Centrex material maintains integrity and appearance under marine sun exposure
- Complete Weather Protection: IP56 rating ensures weatherproof performance when properly closed
Technical Specifications
Dual-Voltage System Advantages
The 125/250V capability provides exceptional flexibility for vessels with sophisticated electrical systems requiring different voltage levels. This dual-voltage design accommodates various shore power configurations while maintaining the safety and reliability essential for marine electrical systems.
Voltage Configuration Benefits:
- 125V Systems: Standard marina power for lighting, electronics, and small appliances
- 250V Systems: High-power applications including large air conditioning units and water heaters
- Split-Phase Operation: Enables efficient power distribution for large vessel electrical loads
- Marina Compatibility: Works with various shore power configurations found at different marinas
- System Flexibility: Accommodates both single and dual voltage shore power sources
Professional Box Lug Terminal System
The heat-resistant thermoset interior features professional-grade box lug terminals designed for secure connections with large gauge marine wiring. This terminal configuration ensures reliable electrical connections that can handle the high current demands of 50-amp dual-voltage systems.
Box Lug Terminal Benefits:
- High-Current Capacity: Designed for secure 50-amp connections
- Large Wire Accommodation: Accepts appropriate gauge wiring for high-amp applications
- Heat Resistance: Thermoset material withstands electrical heating without degradation
- Secure Connections: Box lug design prevents wire pullout and ensures long-term reliability
- Professional Installation: Facilitates proper marine electrician wiring practices
Installation & Marine Applications
Designed for permanent installation on large vessels requiring high-capacity dual-voltage shore power, this inlet is ideal for luxury yachts, large powerboats, and commercial vessels with sophisticated electrical systems that demand both voltage levels.
Professional Applications:
- Large luxury yachts with comprehensive electrical systems
- Powerboats requiring high-capacity air conditioning and heating
- Charter yachts with residential-level electrical demands
- Commercial vessels requiring both 125V and 250V power
- Live-aboard boats with dual-voltage appliance requirements
- Marina service vessels and floating platforms
Advanced Corrosion Resistance
The non-metallic construction completely eliminates galvanic corrosion concerns while providing superior durability in harsh marine environments. The UV-resistant Centrex cover maintains its appearance and structural integrity over years of marine service.
Marine Durability Features:
- Galvanic Corrosion Immunity: Non-metallic construction eliminates metal corrosion issues
- UV Stability: White Centrex cover resists sun degradation and discoloration
- Saltwater Resistance: Materials unaffected by saltwater exposure
- Temperature Stability: Heat-resistant interior maintains performance in varying conditions
- Long Service Life: Materials engineered for extended marine exposure
Electrical Safety & Performance
Engineered to meet stringent marine electrical safety standards, this inlet provides reliable dual-voltage power handling with professional-grade terminal connections. The IP56 rating ensures weatherproof performance while maintaining electrical safety in marine environments.
Safety & Performance Standards:
- 50-amp continuous current rating for demanding applications
- 125/250V AC rating for flexible voltage requirements
- Heat-resistant materials for high-current applications
- Professional box lug terminals for secure connections
- IP56 weatherproof rating for marine environments
- ABYC-compliant design for marine electrical systems
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