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Boat owners know the frustration of mismatched shore power connections at the dock. Whether you're upgrading from a standard 30-amp setup to tap into a more powerful 50-amp pedestal or need a versatile adapter for varying marina outlets, this Hubbell marine adapter bridges the gap seamlessly. Designed for the harsh marine environment, it converts a 30A 125V straight blade female connector to a robust 50A 125/250V twist-lock male plug, ensuring stable power delivery even in wet, salty conditions.
Built with corrosion-resistant composite materials, this yellow adapter stands out for safety and visibility while withstanding the elements. It's not just an accessory—it's a critical tool for keeping your electronics, air conditioning, and appliances running smoothly during extended stays at sea or in the harbor.
Transitioning between different power sources is a common challenge for recreational and commercial vessels alike. This adapter empowers you to access higher amperage without expensive rewiring or equipment swaps. It's perfect for:
Hubbell's legacy in marine-grade wiring devices means this adapter exceeds industry standards for safety and longevity. Unlike generic options that fail prematurely in saltwater, this one delivers consistent power while minimizing downtime and repair hassles.
Installation is straightforward—no tools required. Simply connect the 30A female end to your boat's shore power cord or inlet, then plug the twist-lock male into the 50A dock pedestal. The grounding design ensures full protection against faults, and the compact, lightweight build stores easily in your gear locker.
Pro Tip: Always match voltage ratings and use GFCI-protected outlets when available. Inspect connections before each use to maintain peak performance.
| Specification | Details |
|---|---|
| Application | Straight Blade Adapter |
| Color | Yellow |
| Material | Composite |
| Female Connector | 30A 125V, 2-Pole 3-Wire Grounding, Straight Blade |
| Male Connector | 50A 125/250V, 3-Pole 4-Wire Grounding, Twist-Lock |
| Operating Temperature | Max Continuous 75°C / Min -40°C (without impact) |
| Performance Rating | IP55 Moisture Resistance |
To maximize lifespan, rinse with fresh water after saltwater exposure, dry thoroughly, and store in a cool, dry place. Avoid overloading beyond rated capacities, and replace if any insulation damage appears. Regular checks keep it ready for your next adventure.
It adapts a 30A 125V straight blade female connector (common on boat cords) to a 50A 125/250V twist-lock male plug for dock pedestals.
Yes, its corrosion-resistant composite build and IP55 moisture rating make it ideal for harsh marine environments like saltwater exposure.
Absolutely. The IP55 rating ensures protection against water jets and condensation, perfect for dockside or on-deck use.
It performs from -40°C minimum (without impact) up to 75°C continuous, covering extreme boating conditions worldwide.
Yes, the 50A male end uses a secure twist-lock mechanism that resists vibration and movement, common on boats.
Rinse with fresh water after use in salt or chemicals, dry completely, inspect for wear, and store away from direct sunlight.
Yes, many RVs use similar shore power setups, and this adapter works great for hybrid RV-boat applications at waterfront sites.
Hubbell Adapter, Marine, Molded, Straight Blade, Yellow, 30A 125V, 2-Pole 3-Wire Grounding Female to 50A 125/250V, 3-Pole 4-Wire Grounding Locking Male, Yellow
Model: HBL61CM71Adapter, Marine, Molded, Straight Blade, Yellow, 30A 125V, 2-Pole 3-Wire Grounding Female to 50A 125/250V, 3-Pole 4-Wire Grounding Locking Male, Yellow
Corrosion Resistant
Specifications| Application | Straight Adapter Straight Adapter |
| Color | Yellow |
| Insulation | Insulated Body |
| Item Type | Adapters |
| Material | Composite |
| Number Of Pins | Male- 50A 125/250V 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 |
| Receptacle Type | Female- 30A 125V Twist-Lock® |
Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
US$40
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