Shfuqizuar
Gives rules for AC circuit-breakers, the main contacts of which are to be connected to AC overhead contact lines; the nominal voltage of these circuits is in accordance with IEC 60850. Complements the general requirements given in IEC 60077-2.
WITHDRAWN
SSH IEC 60077-4:2003
95.99
Withdrawal of Standard
18 dhj 2024
PUBLISHED
SSH EN IEC 60077-4:2019