Spacers

Substation spacers, also known as busbar spacers or insulating spacers, are critical components used in electrical substations. They serve the purpose of providing insulation and maintaining proper spacing between high-voltage conductors or busbars within the substation.

Material 

Body - aluminum alloy

Bolts & Nuts - hot dip galvanized steel (ISO1461,ASTM 153)

Note - There are Corona proof design options according to requirement.