American National Standard Requirements for Ventilated Dry-Type Power Transformers, 501 kVA and Larger, Three-Phase, with High-Voltage 601 to 34 500 Volts, Low-Voltage 208Y/120 to 4160 Volts
NORM herausgegeben am 1.1.1981
Designation standards: IEEE/ANSI C57.12.51-1981
Note: UNGÜLTIG
Publication date standards: 1.1.1981
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Kategorie: Technische Normen IEEE