Three-phase oil-immersed distribution transformers 50 Hz, from 25 kVA to 3 150 kVA with highest voltage for equipment not exceeding 36 kV -- Part 1: General requirements. National complementary annex.
NORM herausgegeben am 1.2.2017
Designation standards: UNE 21428-1:2017
Note: UNGÜLTIG
Publication date standards: 1.2.2017
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: Spanish technical standard
Kategorie: Technische Normen UNE