Dry-type transformers 50 Hz, 100 up to 2500 kVA; general requirements and requirements for transformers U<(Index)m> up to 24 kV; German version of HD 538 S1:1992— 11 стр.
Three-pole disconnectors and switch-disconnectors for indoor switchgear; rated voltage 12 kV up to 36 kV; rated normal current 400 A up to 1250 A; main dimensions— 2 стр.