Moldova standards PDF

St IEC 60255-187-1-2021

Measuring relays and protection equipment - Part 187-1- Functional requirements for differential protection - Restrained and unrestrained differential protection of motors, generators and transformers. Original standard IEC 60255-187-1-2021 in PDF full version. Additional info + preview on request

Document status: Active

€35
St IEC 60255-187-1-2021 cor1-2023

Corrigendum 1 - Measuring relays and protection equipment - Part 187-1: Functional requirements for differential protection - Restrained and unrestrained differential protection of motors, generators and transformers. IEC 60255-187-1:2021-07/COR1:2023-04(en-fr). Original standard IEC 60255-187-1-2021 cor1-2023 in PDF full version. Additional info + preview on request

Document status: Active

€35
St IEC 60255-19-1-1983

Electrical relays. Part 19- Blank detail specification- Electromechanical all-or-nothing relays of assessed quality - Test schedules 1, 2 and 3. Original standard IEC 60255-19-1-1983 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 61811-11-2002

€35
St IEC 60255-19-1983

Electrical relays. Part 19- Sectional specification- Electromechanical all-or-nothing relays of assessed quality. Original standard IEC 60255-19-1983 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 61811-10-2002

€35
St IEC 60255-21-1-1988

Electrical relays - Part 21- Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section One- Vibration tests (sinusoidal). CEI/IEC 255-21-1:1988. Original standard IEC 60255-21-1-1988 in PDF full version. Additional info + preview on request

Document status: Active

€35
St IEC 60255-21-2-1988

Electrical relays - Part 21- Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section Two- Shock and bump tests. CEI/IEC 255-21-2:1988. Original standard IEC 60255-21-2-1988 in PDF full version. Additional info + preview on request

Document status: Active

€35