1. Introduce

The wall bushing is used in power station and apparatus, and used to ensure the conductor pass through the wall, the floor, or the shell of other apparatus. And to keep the primary high-voltage insulate from the ground or shell.

The wall porcelain bushing is made of porcelain tube, conductor, terminal attachments and flange.

 

2. Class

In used site: indoor wall bushing ( indoor – indoor ), outdoor bushing ( outdoor – indoor )

In conductor material: bus bushing ( no conductor ), Cu bushing, AL bushing

 

3. Insulate level of common voltage

Note: 33kV 36kV is same with the 40.5kV