IEC 60255-1:2009 specifies common rules and requirements applicable to measuring relays and protection equipment including any combination of devices to form schemes for power system protection such as control, monitoring and process interface equipment in order to obtain uniformity of requirements and tests. Covers all measuring relays and protection equipment used for protection within the power system environment.
WITHDRAWN
IEC 60255-6:1988 ED2
WITHDRAWN
IEC 60255-1:2009 ED1
99.60
Withdrawal effective
Dec 15, 2022
PUBLISHED
IEC 60255-1:2022 ED2