Cover DIN VDE 0674-20 VDE 0674-20:2020-04

DIN VDE 0674-20 VDE 0674-20:2020-04

Outdoor post insulators of ceramic material for a rated lightning impulse voltage 550 kV

Dimensions, materials, requirements, test and Designation

Class/Status: Standard, valid
Released: 2020-04
VDE Art. No.: 0600249

This standard is applicable for single unit outdoor post insulators made of porcelain material and assembled with metal end fittings. Post insulators according to this standard are electrically rated for a AC withstand voltage of 230 kV and a lightning impulse withstand voltage (BIL) of 550 kV similar to DIN IEC 60273 (VDE 0674-4). The insulating body consists of a solid core porcelain.