American National Standard Requirements for Pad-Mounted, Compartmental-Type, Self-Cooled, Single-Phase Distribution Transformers With High-Voltage Bushings: High Voltage (34 500 GrdY/19 920 V and Below) and Low Voltage (240/120 V, 167 kVA and Smaller)
NORM herausgegeben am 31.12.1992
Designation standards: IEEE C57.12.21-2000
Note: UNGÜLTIG
Publication date standards: 31.12.1992
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Kategorie: Technische Normen IEEE