Frecuencias normalizadas de IEC.
IEC standard frequencies
Fréquences normales de la CEI
Buy on AENOR
See part of the content of the standard
29.020 / Electrical engineering in general
CTN 217 - Electrical energy supply systems
EN 60196:2009 (Identical)
IEC 60196:2009 (Identical)
This standard is available in:
Print and digital format
Español / Inglés