Includes Clause 5, Protection system, and Clause 9, General alarms. The IEC 60231 series of standards is no longer up-to-date and will not be revised by IEC. The standards are maintained for the time being for bibliographical purposes and because they were used in the past for the design of nuclear power plants which are still in operation.
PUBLISHED
IEC 60231A:1969 ED1
60.60
Standard published
Jan 1, 1969