Guide for procurement of power station equipment - Part 2-4: Electrical equipment; high power static converters; German version EN 45510-2-4:2000— 17 стр.
Direct acting indicating analogue electrical-measuring instruments and their accessories - Part 1: Definitions and general requirements common to all parts (IEC 60051-1:1997); German version EN 60051-1:1998— 25 стр.
IEC standard voltages - supplementary remarks on the state of international standardization and european harmonization of nominal voltage 230/400 V and consequences of adaption from 220/380 V
Operating conditions for industrial-process measurement and control equipment - Part 2: Power (IEC 60654-2:1979 + A1:1992); German version HD 413.2 S2:1994