Three-phase oil-immersed distribution transformers 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV -- Part 1: General requirements.
NORMA vydána dne 7.6.2006
Designation standards: UNE 21428-1:2006
Note: NEPLATNÁ
Publication date standards: 7.6.2006
The number of pages: 30
Approximate weight : 90 g (0.20 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE