An on-board charger for an electrically driven vehicle having (i) at least one connector for connecting a plug, the connector including a seal for sealing the connector; and (ii) an edge, running around the connector, for protecting the seal against sprayed water. A method for manufacturing the on-board charger includes the steps of injection molding a housing of the on-board charger, and integrally injection molding the edge onto the housing. A vehicle includes a drive which is supplied with electrical driving energy, a traction battery for storing the driving energy, and the on-board charger for charging the traction battery with the driving energy.