Norm DIN IEC 17C(Sec)128:1993
A.C. switchgear and controlgear for voltages above 1 kV; high-voltage metal-enclosed switchgear and controlgear for voltages up to 72,5 kV, factory-assembled, type-tested; amendment 2; identical with IEC 17C(Secretariat)128:1993 Zurückgezogen