Busbars are produced in a variety of shapes, including flat strips, solid bars and rods, and are typically composed of copper, brass or aluminium as solid or hollow tubes. Some of these shapes allow heat to dissipate more efficiently due to their high surface area to. Here, we provide an overview of common substation busbar configurations—Single Bus, Main and Transfer, Double Breaker/Double Bus, Ring Bus/Ring Main, and Breaker and a Half. Designing a substation involves not only the visible equipment and ratings but also the less apparent factors—operational. While compliance and safety are major players in the move to busbar power, the need to optimize the use of space inside an industrial enclosure and the demand for faster, more efficient configuration and installation are also leading the charge toward busbar power. North America Copper Busbar. Busbar systems are widely used in: A complete busbar system typically includes the following components: Busbars are the primary current-carrying elements of the system. Made from copper or aluminum, they serve as a central point where multiple circuits can connect, ensuring stable and reliable power flow. Early Stage (1950s-1970s) The historical development of busbars.