Calculation of the cyclic and emergency current rating of cables. Part 1: Cyclic rating factor for cables up to and including 18/30(36) kV.
NORMA vydaná dňa 22.4.2009
Designation standards: UNE 21191-1:1992/2M:2009
Note: Zmena
Publication date standards: 22.4.2009
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE