UNE 20138:1990

THREE-PHASE LOW-VOLTAGE DISTRIBUTION TRANSFORMERS, 50 Hz, FROM 25 TO 2500 kVA.

STANDARD published on 23.11.1990

Spanish -
electronic design (pdf) (80.20 USD)

The information about the standard:

Designation standards: UNE 20138:1990
Note: WITHDRAWN
Publication date standards: 23.11.1990
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: Spanish technical standard
Category: Technical standards UNE