Copper: Known for high conductivity, durability, and thermal performance, copper is a top choice for high-voltage busbars, though it is heavier and more costly. Aluminum: Lighter and more affordable than copper, aluminum is suitable for applications where weight. Typical busbar applications include switchgear, panel boards, power invertors, powered electronics, and high-voltage battery packs. Eaton offers numerous busbar manufacturing technologies, ensuring the right busbar for every application. They are also used to connect high voltage equipment at. In one sentence: medium-voltage switchgear busbars usually use copper because copper delivers higher electrical conductivity, more stable joints, better thermal behavior, stronger short-circuit withstand, and a more compact cabinet design than aluminum in most real commercial and industrial. Busbars are the backbone of a low-voltage switchboard: rigid conductors that collect and distribute current safely between incoming devices and outgoing feeders. In most assemblies you will find horizontal main bars, vertical risers, neutral and equipment-ground buses, and purpose-designed. Molex provides a versatile range of high-current high-voltage busbar solutions suitable for various applications and environments. Construction and Working Principle of Busbars Busbars are constructed from conductive metal bars, typically made of copper.