Test procedure for the determination of the temperature index of enamelled winding wires (IEC 60172:1987 + A1:1997 + A2:2010); German version EN 60172:1994 + A1:1998 + A2:2010— 26 стр.
Dielectric and resistive properties of solid insulating materials - Part 2-1: Relative permittivity and dissipation factor - Technical frequencies (0,1 Hz to 10 MHz) - AC Methods (IEC 62631-2-1:2018); German version EN IEC 62631-2-1:2018— 25 стр.
Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests (IEC 61558-1:2005 + A1:2009) (english version)
Automatic electrical controls for household and similar use - Part 2-9: Particular requirements for temperature sensing controls (IEC 60730-2-9:2008, modified) (english version)
Automatic electrical controls -- Part 2-9: Particular requirements for temperature sensing control ((IEC 60730-2-9:2015 + A1:2018) EN IEC 60730-2-9:2019 + A1:2019) (english version)