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. Low-cost and flexible, the 10 point terminal busbar offers (10) 15amp connections, with (2) 1/4" connection posts. The 10 point busbar can be used with a cover, protecting the connection points and complying with industry safety requirements. Low-cost and flexible, the 12 point terminal busbar. In essence, a terminal bus bar is a solid metallic strip or bar that serves as a common electrical node used to distribute power from a single source to multiple branch circuits. The choice of a particular arrangement depends upon various factors such as system voltage, position of sub-station, degree of reliability, cost etc. The standard replaced IEC 60439 and shifted the focus from component-level.
[PDF Version]