1.Our porcelain indoor standoff insulators are made of porcelain body and brassin fittings on each end of the insulators with a center mounting hole in each fittings. The fittings are attached to the porcelain body with portland cement so that they will remain in place when in high mechanical strength and high temperature.The glaze is gray as standard and will dispel dirt from adhering to the porcelain body surface.
2.The porclain indoor standoff insulators are usually used to support cooper or aluminum bus bar lines in various electrical equipment and usually act as an very important role in those electrical equipment. They isolate power sources from contacting with some conductive surface.
3.We supply porcelain indoor standoff insulators from 2.5kV to 15kV. For 2.5kV :there is 70100. For 5kV, there are 70105,70125,70150,70155,70160,70200. For 8.7kV, there are 70110,70130,70169,70170,70205,70210 etc. For 15kV,there are 70140,70174,70175,70176,70214,70215 etc.
4.The main market of our porcelain indoor standoff insulators is America, and some other times export to Europe, east Asia,etc.We promise you a high quality and very competitive price for this products.