Insulating liquids - Contamination by polychlorinated biphenyls (PCBs) - Method of determination by capillary column gas chromatography (IEC 61619:1997); German version EN 61619:1997
Edition 1998-02

Insulating liquids - Determination of the dielectric dissipation factor by measurement of the conductance and capacitance - Test method (IEC 61620:1998); German version EN 61620:1999
Edition 1999-09

Dry, solid insulating materials - Resistance test to high-voltage, low-current arc discharges (IEC 61621:1997); German version EN 61621:1997
Edition 1999-01

Corrugated pressboard and presspaper for electrical purposes - Part 1: Definitions, designations and general requirements (IEC 61628-1:1997); German version EN 61628:1997
Edition 1999-03

Corrugated pressboard and presspaper for electrical purposes - Part 2: Methods of test (IEC 61628-2:1998 + A1:2007); German version EN 61628-2:1999 + A1:2007
Edition 2008-04

Aramid pressboard for electrical purposes - Part 1: Definitions, designations and general requirements (IEC 61629-1:1996); German version EN 61629-1:1996
Edition 1998-04

Aramid pressboard for electrical purposes - Part 2: Methods of test (IEC 61629-2:1996); German version EN 61629-2:1996
Edition 1998-04

Test method for the mechanical strength of cores made of magnetic oxides (IEC 61631:2020); German version EN IEC 61631:2020
Edition 2022-12

Industrial a.c. networks affected by harmonics - Application of filters and shunt capacitors (IEC 61642:1997); German version EN 61642:1997
Edition 1998-11

Low-voltage surge protective devices - Part 01: General Requirements and test methods (IEC 37A/401/CDV:2023); German and English version prEN IEC 61643-01:2023
Edition 2025-06