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. Section 2: Requirements for dual-voltage transformers in low-voltage.
NORMA vydána dne 4.5.2011
Designation standards: UNE 21428-1-2:2011
Note: NEPLATNÁ
Publication date standards: 4.5.2011
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE