770091-1 is a panel-mount receptacle connector designed for 9-circuit 5.0 mm Power Key Connector (5.0 PKC) systems, serving as a wire-to-board connector component. The connector features a compact design with a mated height of 19.4 mm and an A dimension of 0.670 inches (17.02 mm) for the receptacle. It is designed without detents and operates at 600 V AC or DC, with a flammability rating of UL94V-2. The connector incorporates protective features including locking levers surrounded by walls to prevent tangling with wires, double lock plates for complete contact loading, and bubble-release design for potted applications. This connector is commonly used in power circuits of home appliances, particularly gas appliances, where reliable high-voltage connections and compact form factors are essential.