Current Collectors are widely used by electric locomotives, trolleybuses, trams, EMUs and other industries for carrying electrical power from the electrical third rails to the vehiclesâ electrical equipment. They are designed in lead-free carbon material using high-quality, pure or impregnated metal such as bronze or copper. These collectors are machined and extrusion or stamped according to the different demands and needs of the industries. They are welded, bonded or crimped to ensure to provide mechanically robust as well as durable collectors. In addition to this, they are provided for different speed ranges as well as operating voltages.