
THREE-PHASE LOW-VOLTAGE DISTRIBUTION TRANSFORMERS, 50 Hz, FROM 25 TO 2500 kVA.
NORM herausgegeben am 23.11.1990
Designation standards: UNE 20138:1990
Note: UNGÜLTIG
Publication date standards: 23.11.1990
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: Spanish technical standard
Kategorie: Technische Normen UNE