Support Insulator of Pantographic Disconnector is a solid core insulator which is primarily used to support the metallic pole and is also used to provide the required insulation between the live parts and ground. The Support Insulator comes with an insulator corona ring that is provided on the top and the lower portion is mounted on to the support structure column. The Support Insulator ensures optimum safety and provides efficient performance. Support Insulator of Pantographic Disconnector is easy to install and can be maintained without any hassles.