3-643228-0 is a 3-circuit wire-to-board power connector designed for the 5.0 mm Power Key Connectors (5.0 PKC) family, featuring a duplex contact finish with pre-tin plating and gold mating area. The connector has a compact mated height of 19.4 mm and accommodates single wire diameters from 0.040 to 0.190 inches (1.02 to 4.83 mm). It features dimension A of 0.800 inches (20.32 mm), dimension B of 1.495 inches (37.97 mm), and dimension C of 1.080 inches (27.43 mm), with a double lock plate for complete contact loading and locking levers surrounded by protective walls. The connector is UL94V-0 flammability rated and recognized under UL Component Program File No. E28476, as well as certified by Canadian Standards Association File No. LR7189. This connector is ideal for power circuits in home appliances, particularly gas appliances, where reliable electrical connections and compact design are essential.