Registration number (WIID)Project No.TitleStatus
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
50664prEN 50XXXProtection equipment - Emission/HF requirements for EMCIzstrādē
77373prEN IEC 60255-167Measuring relays and protection equipment - Part 167: Functional requirements for directional overcurrent protectionIzstrādē
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