Measuring relays and protection equipment - Common requirements Ingestion-build-73073 and measuring instruments used in

and measuring instruments used in laboratories or in collection or storage silos

The purpose of this document is to define the services provided to:

“working source” and “reference transfer instrument”

Guidelines for incorporating ecodesign into an EMS

Measuring relays and protection equipment - Common requirements Ingestion-build-73073 and measuring instruments used in1 Scope This part of IEC 60255 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. All measuring relays and protection equipment used for protection within the power system environment are covered by this