770073-1 is a panel-mount plug housing for the 5.0 mm Power Key Connectors (5.0 PKC) wire-to-board connector system, configured for 3 circuits. This connector features a compact design with a 19.4 mm mated height and 5.0 mm contact centerline spacing, designed specifically for power circuit applications in home appliances, particularly gas appliances. The housing 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. The connector is recognized under UL Component Program File No. E28476 and certified by Canadian Standards Association File No. LR7189, ensuring compliance with safety standards for power distribution in appliance environments.