Registration number (WIID)Project No.TitleStatus
76667prEN IEC 60255-187-2Measuring relays and protection equipment - Part 187-2 Functional requirements for busbar differential protectionIzstrādē
48408EN 60255-21-1:1995Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section 1: Vibration tests (sinusoidal)Izstrādē
51849EN 60255-121:2014Measuring relays and protection equipment - Part 121: Functional requirements for distance protectionIzstrādē
63189EN IEC 60255-181:2019Measuring relays and protection equipment - Part 181: Functional requirements for frequency protectionIzstrādē
76666prEN IEC 60255-187-3Measuring relays and protection equipment - Part 187-3: Functional requirements for differential protection - Line current differential protectionIzstrādē
63266EN IEC 60255-187-1:2021Measuring relays and protection equipment - Part 187-1: Functional requirements for differential protection - Restrained and unrestrained differential protection of motors, generators and transformersIzstrādē
53656EN 60255-127:2014Measuring relays and protection equipment - Part 127: Functional requirements for over/under voltage protectionIzstrādē
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
77267prEN IEC 60255-132Measuring relays and protection equipment - Part 132: Functional requirements for directional power protectionIzstrādē
43010EN 60255-21-3:1995Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section 3: Seismic testsIzstrādē
Displaying 91-100 of 103 results.