770071-1 is a 3-circuit panel-mount receptacle for the 5.0 mm Power Key Connectors (5.0 PKC) wire-to-board connector system. It features a compact design with a 19.4 mm mated height and 5.0 mm contact centerline spacing, designed specifically for power circuits in home appliances, particularly gas appliances. The connector incorporates a double lock plate for complete contact loading, locking levers surrounded by protective walls to prevent wire tangling, and bubble-release design for potted applications. With a receptacle A dimension of 0.670 inches (17.02 mm) and mating plug dimension of 0.770 inches (19.56 mm), this connector is recognized by Underwriters Laboratories (File No. E28476) and certified by Canadian Standards Association (File No. LR7189), making it suitable for demanding power distribution applications requiring reliable, compact interconnection.