Hubbell HBL2731 Industrial Twist-Lock Plug 30A 480V L16-30P Insulgrip Heavy-Duty 3-Phase Locking Power Connection for L16-30R Receptacles

The Hubbell HBL2731 is a robust Insulgrip® twist-lock plug engineered for demanding industrial environments requiring safe, stable 3-phase power delivery. Designed for 30A and 480V AC systems, it provides a locking connection that prevents accidental unplugging while supporting heavy-duty equipment needs.

Why It Helps

This twist-lock plug ensures a secure electrical connection in applications where vibration, movement, or heavy-load power demands may cause standard plugs to loosen. Its nylon housing enhances grip and durability, while the clear terminal retainer and brass contacts support consistent, long-term performance.

Key Highlights

• The Insulgrip® design offers improved handling, resistance to chemicals, and rugged durability, supporting dependable use across a wide range of industrial settings.

• Its screw-type terminations and funnel-shaped wire entry simplify installation and help maintain proper conductor alignment during wiring.

• The plug accommodates a wide cord diameter range, ensuring compatibility with appropriately rated industrial cables.

• IP20 moisture protection and UL/CSA listings provide confidence that the plug meets essential industry standards for performance and safety.

Applications

Suitable for 3-phase 480V AC equipment requiring a 30A twist-lock connection, including industrial machinery, generators, and power distribution devices. Its secure locking mechanism helps ensure stable performance in environments where reliability is critical.