643408-1 is an 11-circuit pin header connector designed for wire-to-board power circuit applications in home appliances, particularly gas appliances. This connector features a 5.0 mm contact centerline and operates with a UL94V-0 flammability rating nylon housing material. The connector incorporates duplex plating with pre-tin finish and includes positive lock mechanisms for secure contact retention. It is designed with a compact mated height of 19.4 mm and includes protective features such as locking levers surrounded by walls to prevent tangling with wires. The connector is recognized under UL Component Program File No. E28476 and certified by Canadian Standards Association File No. LR7189, making it suitable for demanding power distribution applications requiring reliable electrical connections.