• Hydrogen Technologies Standards form the basic framework for market ramp-up

    More information
  • Climate change Standards and specifications support climate targets

    More information
  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

    More information

Projects of IEC/SC 37A

IEC 37A/197/DC 2007-11-09 Temporary OverVoltage (TOV) - tests and Temporary overvoltages and maximum durations to be expected in low-voltage applications More  Comment 
IEC 37A/139A/CDV 2003-06-13 Revised: Amendment 2 to IEC 61643-1: Surge protective devices connected to Low-voltage power distribution systems - Performance requirements and testing methods. More  Comment 
IEC 37A/141A/CDV 2003-06-13 Revised: Amendment 2 to IEC 61643-1: Surge protective devices connected to Low-voltage power distribution systems - Performance requirements and testing methods More  Comment 
IEC 37A/138/CDV 2003-02-14 Amendment 2-f1 to IEC 61643-1: Surge protective devices connected to Low-voltage power distribution systems - Performance requirements and testing methods. More  Comment 
IEC 37A/140/CDV 2003-02-14 Amendment 2-f3 to IEC 61643-1: Surge protective devices connected to Low-voltage power distribution systems - Performance requirements and testing methods. More  Comment 
IEC 37A/142/CDV 2003-02-14 Amendment 2-f5 to IEC 61643-1: Surge protective devices connected to Low-voltage power distribution systems - Performance requirements and testing methods. More  Comment 
IEC 37A/123A/CD 2002-08-09 Revised - Amendment 2 to IEC 61643-1: Surge protective devices connected to Low-voltage power distribution systems - Performance requirements and testing methods. More  Comment 

TOP