Norm
[AKTUELL]
UNE-EN 60255-121
UNE-EN 60255-121
Measuring relays and protection equipment - Part 121: Functional requirements for distance protection (Endorsed by AENOR in October of 2014.)
Titel (englisch)
Measuring relays and protection equipment - Part 121: Functional requirements for distance protection (Endorsed by AENOR in October of 2014.)