When a low-voltage busbar fails

A failed busbar could result in power outages, overheating, fire hazards, electrical equipment destruction, and a large amount of lost time due to downtime (i. Even though busbars are built to withstand extreme conditions, they can still fail. This guide will describe the. IEC 61439 is a standard developed by the International Electrotechnical Commission (IEC) that covers design verification for low-voltage electrical products and assemblies. However, despite their rugged design and material with high conductivity, such as copper or aluminum, these components are prone to failures that can propagate into costly downtimes, equipment damage, and safety hazards. Because of this convergence, short circuits located on or near the busbar tend to have very high magnitude currents.