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 EN 60850. Complements the general requirements given in EN 60077-2.
Legislation related to this standard
DIRECTIVE 2008/57/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 17 June 2008 on the interoperability of the rail system within the Community (Recast)
WITHDRAWN
EN 60077-4:2003
99.60
Withdrawal effective
Nov 29, 2022
PUBLISHED
EN IEC 60077-4:2019