Requirements for generating plants to be connected in parallel with distribution networks - Part 1: Connection to a LV distribution network - Generating plants up to and including Type B; German version EN 50549-1:2019 + AC:2019
Edition 2020-10

Requirements for generating plants to be connected in parallel with distribution networks - Part 2: Connection to a MV distribution network - Generating plants up to and including Type B; German version EN 50549-2:2019 + AC:2019
Edition 2020-10

Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV - Part 3: Transformers with cable boxes on the high-voltage and/or low-voltage side - Cable boxes type 1 for use on transformers meeting the requirements of EN 50588-2; German version EN 50588-3:2018
Edition 2019-12

Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV - Part 4: Transformers with cable boxes on the high-voltage and/or low-voltage side - Cable boxes type 2 for use on transformers meeting the requirements of EN 50588-2; German version EN 50588-4:2018
Edition 2019-12

Rotating electrical machines - Part 18-32: Functional evaluation of insulation systems (Type II) - Electrical endurance qualification procedures for form-wound windings (IEC 60034-18-32:2022); German version EN IEC 60034-18-32:2022
Edition 2024-01

Rotating electrical machines - Part 18-41: Partial discharge free electrical insulation systems (Type I) used in rotating electrical machines fed from voltage converters - Qualification and quality control tests (IEC 60034-18-41:2014 + A1:2019 + COR1:2020); German version EN 60034-18-41:2014 + A1:2019 + AC:2020
Edition 2021-05

Rotating electrical machines - Part 18-42: Partial discharge resistant electrical insulation systems (Type II) used in rotating electrical machines fed from voltage converters - Qualification tests (IEC 60034-18-42:2017); German version EN 60034-18-42:2017
Edition 2017-12

Rotating electrical machines - Part 18-42: Partial discharge resistant electrical insulation systems (Type II) used in rotating electrical machines fed from voltage converters - Qualification tests (IEC 60034-18-42:2017/A1:2020); German version EN 60034-18-42:2017/A1:2020
Edition 2021-08

Radio-frequency connectors - Part 21: Two types of radio-frequency connectors with inner diameter of outer conductor 9,5 mm (O,374 in) with different versions of screw coupling - Characteristic impedance 50 Ω (Types SC-A and SC-B) (IEC 60169-21:1985 + A1:1996); German version EN 60169-21:1997
Edition 1998-02

Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482,6 mm (19 in) series - Part 3-108: Dimensions of R-type subracks and plug-in units (IEC 60297-3-108:2014); German version EN 60297-3-108:2015
Edition 2015-06