DIN EN 50187 VDE 0670-811:2023-10

High-voltage switchgear and controlgear

Gas-filled compartments of AC switchgear and controlgear with rated voltages above 1 kV up to and including 52 kV;

DIN EN 50187 VDE 0670-811:1997-05

Gas-filled compartments for A.C. switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV;