Hubbell HBL63CM65 Male Plug 50A 250V
Hubbell HBL63CM65 Male Plug 50A 250V — Product description
Engineered for the Harsh Marine Environment
When you're out on the water, reliability isn't optional—it's essential. The Hubbell HBL63CM65 male plug delivers that dependability with its marine-grade construction, designed to withstand the relentless assault of saltwater, humidity, and constant motion. This 50A 250V twist-lock connector ensures a secure, vibration-resistant power connection for boats, docks, and marine equipment, preventing costly downtime or safety hazards.
Unlike standard plugs that loosen under wave-induced vibrations or corrode from exposure, this Hubbell model uses premium materials to maintain peak performance season after season. Boaters and marina operators trust it for powering high-demand systems like shore power cords, battery chargers, and heavy-duty appliances without compromise.
Superior Materials for Unmatched Durability
- Nickel-Plated Brass Shell: Provides precise alignment during mating and superior corrosion resistance, even in brackish or saltwater conditions.
- Copper Crimp Barrels: Deliver rock-solid terminations that won't pull out under strain, ensuring long-term electrical integrity.
- Nickel-Plated Brass Contacts: Resist pitting and oxidation, maintaining low-resistance connections for efficient power transfer.
- Galvanized Housing: Adds an extra layer of protection against rust, ideal for cord-mounted installations in wet environments.
These features go beyond basic specs, offering real-world toughness that standard plugs simply can't match. The composite body further enhances impact resistance, making it perfect for the rough-and-tumble of marine life.
Key Specifications at a Glance
- Amperage & Voltage
- 50A 125/250V
- Poles & Wires
- 3-Pole, 4-Wire Grounding
- Configuration
- Non-NEMA Twist-Lock®
- Terminals
- Screw Terminal
- Mounting
- Cord Mounted
- Environmental Rating
- IP20 Moisture Resistance (Indoor Dry or Protected)
- Color
- Metallic
This setup supports heavy marine loads while prioritizing safety through grounding and twist-lock security. It's built by Hubbell Wiring Device-Kellems, a name synonymous with innovation in electrical solutions.
Why Choose the HBL63CM65 for Your Vessel?
In marine applications, power failures can mean more than inconvenience—they can strand you miles from shore. The HBL63CM65's twist-lock mechanism locks in place with a simple quarter-turn, resisting accidental disconnection from waves, engine vibration, or crew movement. Its corrosion-resistant design extends service life, reducing replacement frequency and maintenance costs.
Ideal for shore power inlets, extension cords, and portable equipment on yachts, fishing boats, or commercial docks. Pair it with matching receptacles for a complete, code-compliant system that handles the demands of 240V appliances like air conditioners, refrigerators, and winches.
Installation Insights
Prep your cable by stripping insulation precisely, insert into crimp barrels, and secure with a proper crimping tool for optimal contact. Use screw terminals for straightforward wiring, and always test continuity post-install. Pro tip: Apply dielectric grease to contacts for added moisture protection in splash zones.
Frequently Asked Questions
What makes the Hubbell HBL63CM65 suitable for marine use?
Its nickel-plated brass components and galvanized construction provide exceptional corrosion resistance against saltwater and humidity, while the twist-lock design ensures secure connections in vibrating environments.
Is the HBL63CM65 compatible with standard shore power systems?
Yes, it's designed for 50A 125/250V marine shore power, featuring 3-pole 4-wire grounding for safe, high-capacity connections to inlets and receptacles.
Can I use this plug in outdoor freshwater applications?
While optimized for marine conditions, its IP20 rating suits indoor dry or protected outdoor use. For direct freshwater exposure, add weatherproof covers.
How do I properly terminate wires on the HBL63CM65?
Use the screw terminals or copper crimp barrels: Strip wire ends cleanly, insert fully, and tighten screws or crimp securely with calibrated tools for reliable performance.
What's the difference between this plug and a NEMA version?
Non-NEMA twist-lock offers superior retention against disconnection, crucial for marine safety, versus standard NEMA plugs that rely on friction.
Does the HBL63CM65 support 240V appliances?
Absolutely—rated at 125/250V, it handles split-phase 240V loads common in marine AC systems like HVAC and large motors.
Is this plug cord-mountable for custom lengths?
Yes, its cord-mounted design allows easy installation on custom shore power cords or extensions for flexible marine setups.
Hubbell Locking Devices, Twist-Lock®, Marine Grade, Male Plug, 50A 125/250V, 3-Pole 4-Wire Grounding, Non-NEMA, Screw Terminal, Galvanized
Model: HBL63CM65- Nickel plated brass shell for positive alignment
- Copper crimp barrels for reliable terminations
- Nickel plated brass contacts for corrossion resistance
| Application | Marine Wiring Devices |
| Color | Metallic |
| Environmental Conditions | Indoor Dry Unless Protected By Additional Means |
| Item Type | Standard |
| Material | Composite |
| Material - Mounting Hardware | Cord Mounted |
| Number Of Poles | 3-Pole |
| OEM Brand Name | Hubbell Wiring Device-Kellems |
| Performance | Environmental - Moisture Resistance - IP20 Suitability |
SKU: NVN-1002603
MPN: HBL63CM65
UPC: 783585808734
Technical specifications
| Brand | Hubbell Marine |
| Model | Hubbell HBL63CM65 Male Plug 50A 250V |
| SKU / MFR# | 1002603 |
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