STM PDF

Edison screw lampholders. Original standard IEC 60238-2017 in PDF full version. Additional info + preview on request

Document status: Active

Measuring relays and protection equipment - Part 1: Common requirements. IEC 60255-1:2009. Original standard IEC 60255-1-2009 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60255-1-2022

Measuring relays and protection equipment - Part 24: Common format for transient data exchange (COMTRADE) for power systems. IEC 60255-24:2013. Original standard IEC 60255-24-2013 in PDF full version. Additional info + preview on request

Document status: Active

Measuring relays and protection equipment - Part 26: Electromagnetic compatibility requirements. IEC 60255-26:2013. Original standard IEC 60255-26-2013 in PDF full version. Additional info + preview on request

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

Measuring relays and protection equipment - Part 27: Product safety requirements. IEC 60255-27:2013. Original standard IEC 60255-27-2013 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60255-27-2023

Single input energizing quantity measuring relays with dependent specified time. Original standard IEC 60255-4-1976 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60255-3-1989