The porcelain bus bar insulators are made of insulator body and aluminum inserts fittings. Generally the cooper bus-bar lines and high voltage swithching equipments need this type porcelain insualtors. Usually for indoor used,so we also call them indoor post insulators. It is also a small porcelain post insulator or ceramic post insulator.
The porcelain bus bar insulator has the following types:
There is no need to care about the maintenace of our porcelain bus bar insulators . The gray glaze on the outer face of the insulator body will keep dirt and pollutant from adhering. The porcelain material our insulator used and the aluminum inserts will save them from high temperature. The aluminum fittings are perfect for support cooper bus bar lines since they won’t corrupt.