Registration number (WIID)Project No.TitleStatus
79508prEN IEC 60255-21Measuring relays and protection equipment - Part 21: Vibration, shock, bump and seismic tests requirementsIzstrādē
82774EN IEC 60255-26:2025/prAAMeasuring relays and protection equipment - Part 26: Electromagnetic compatibility requirementsIzstrādē
81389FprEN IEC 60255-27:2022/prA1Measuring relays and protection equipment - Part 27: Product safety requirementsIzstrādē
82204prEN IEC 60255-216-2Measuring relays and protection equipment - Part 216-2: Digital interface - Requirements for binary input-output iedIzstrādē
57853CLC/prTR 50639Measuring relays and protection equipment - Protection schemes and functions applicable for distributed energy generationIzstrādē
77964EN IEC 60255-187-1:2021/AC:2023-04Measuring relays and protection equipment - Part 187-1: Functional requirements for differential protection - Restrained and unrestrained differential protection of motors, generators and transformersIzstrādē
77373prEN IEC 60255-167Measuring relays and protection equipment - Part 167: Functional requirements for directional overcurrent protectionIzstrādē
56528EN 60255-24:2001Electrical relays - Part 24: Common format for transient data exchange (COMTRADE) for power systemsIzstrādē
77102prEN IEC 60255-24Measuring relays and protection equipment - Part 24: Common format for transient data exchange (COMTRADE) for power systemsIzstrādē
76925prEN IEC 60255-216-3Measuring relays and protection equipment - Part 216-3: Digital interface - Test specification for protection data communication of line current differential protectionIzstrādē
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