Moldova standards PDF

Measuring relays and protection equipment - Part 1- Common requirements. IEC 60255-1:2022-12(en-fr). Original standard IEC 60255-1-2022 in PDF full version. Additional info + preview on request

Document status: Active

Measuring relays and protection equipment - Part 11- Voltage dips, short interruptions, variations and ripple on auxiliary power supply port. IEC 60255-11:2008. Original standard IEC 60255-11-2008 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60255-26-2023

Electrical relays - Part 12- Directional relays and power relays with two input energizing quantities. CEI/IEC 255-12:1980. Original standard IEC 60255-12-1980 in PDF full version. Additional info + preview on request

Document status: Active

Measuring relays and protection equipment - Part 121- Functional requirements for distance protection. IEC 60255-121:2014-03(en-fr). Original standard IEC 60255-121-2014 in PDF full version. Additional info + preview on request

Document status: Active

Measuring relays and protection equipment - Part 127- Functional requirements for over under voltage protection. IEC 60255-127:2010. Original standard IEC 60255-127-2010 in PDF full version. Additional info + preview on request

Document status: Active

Electrical relays - Part 13- Biased (percentage) differential relays. CEI/IEC 255-13:1980. Original standard IEC 60255-13-1980 in PDF full version. Additional info + preview on request

Document status: Active