The DF63W-4EP-3.96C is a 4-position, crimp-style plug from the DF63W series of compact waterproof connectors for internal power supplies. It features a 3.96mm contact pitch and is designed to accommodate cables with an outer jacket diameter of φ2.8 to 3.2mm. This connector is IP67 rated for water resistance when mated, ensuring reliable performance in demanding environments. A robust positive locking structure provides a tactile click to prevent incomplete mating. Its smooth, rounded contour is optimized for wiring inside conduits and small structures, making it ideal for a variety of space-constrained power applications.