1-1564544-1 is an HDSCS tab housing connector designed for industrial and commercial transportation applications. This 16-way connector features group E configuration with a single key in black color and includes a sealed flange for environmental protection. The connector accommodates 12 size 1.5K contacts and 4 size 2.8 contacts, providing flexible contact sizing for various electrical requirements. The included wedge/TPA simplifies assembly and ensures secure contact retention. This sealed flange design is ideal for harsh environments where moisture and contaminant ingress must be prevented, making it suitable for automotive, industrial control systems, and transportation equipment requiring reliable multi-pin connections.