Three phase dry-type distribution transformers 50 Hz, from 100 kVA to 3 150 kVA, with highest voltage for equipment not exceeding 36 kV. Part 1: General requirements. National complementary annex.
STANDARD published on 26.6.2013
Designation standards: UNE 21538-1:2013
Note: WITHDRAWN
Publication date standards: 26.6.2013
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Spanish technical standard
Category: Technical standards UNE