The DCA-RPBU-01-01-A is a single-port dust cap featuring an integrated strap, intended for RPBU series USB Type A panel mount connectors. The cap is constructed from PA66 and the strap is made of rubber, providing protection from environmental contaminants. It is designed with a key dimension of 26.40 mm and ensures a secure fit with a minimum retention force of 4.4 N. This component is ideal for protecting unused ports in various panel-mounted applications from dust and debris.