Hubbell Wiring Device-Kellems HBL7484V Midget Locking Connector ML3-15R 15 A 125/250V AC 3 Pole 3 Wire Black

Hubbell ML3-15R Locking Connector

The Hubbell HBL7484V is a straight midget locking connector rated at 15 A and 125/250V AC for single-phase circuits. Its three-pole, three-wire configuration suits equipment that requires a secure twist-lock connection in commercial or light-industrial settings. The black nylon housing resists shattering and cracking under mechanical stress. Screw terminals accept conductors sized for cable diameters between .3 in and .43 in.

Sustained-load behaviour

The IP20-rated nylon body and brass contacts maintain stable contact resistance during continuous 15 A operation without forced cooling. The shatter-resistant housing withstands vibration and thermal cycling that can loosen lesser connectors over time. Hinged wiring style keeps the terminal screws accessible for periodic re-torquing without disassembling the entire device. No shroud is present, so the installer must ensure adequate strain relief on the cable side.

Build and day-to-day use

The connector uses a hinged nylon shell that opens for wiring and snaps shut, eliminating loose caps or covers that can be lost on site. Screw terminals are standard, so no special crimp tools are required for field termination. The ML3-15R NEMA configuration mates only with matching inlets, preventing accidental cross-connection with other voltage ratings. Black colour coding aids quick visual identification in panels or on stage-power distros.