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
76666prEN IEC 60255-187-3Measuring relays and protection equipment - Part 187-3: Functional requirements for differential protection - Line current differential protectionIzstrādē
56528EN 60255-24:2001Electrical relays - Part 24: Common format for transient data exchange (COMTRADE) for power systemsIzstrādē
76667prEN IEC 60255-187-2Measuring relays and protection equipment - Part 187-2 Functional requirements for busbar differential protectionIzstrādē
50664prEN 50XXXProtection equipment - Emission/HF requirements for EMCIzstrādē
46232prEN 60255-22-4Electrical relays - Part 22: Electrical disturbance tests for measuring relays and protection equipment - Section 4: Fast transient disturbance testIzstrādē
54504EN 60255-151:2009Measuring relays and protection equipment - Part 151: Functional requirements for over/under current protectionIzstrādē
48909prEN 60255-22-1Electrical relays - Part 22: Electrical disturbance tests for measuring relays and protection equipment - Section 1: 1 MHz burst disturbance testsIzstrādē
81389FprEN IEC 60255-27:2022/prA1Measuring relays and protection equipment - Part 27: Product safety requirementsIzstrādē
58034EN 60255-21-2:1995Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section 2: Shock and bump testsIzstrādē
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