Measuring relays and protection equipment - Part 181: Functional requirements for frequency protection (IEC 60255-181:2019); German version EN IEC 60255-181:2019
Edition 2020-02

Telecontrol equipment and systems - Part 5-103: Transmission protocols; companion Standard for the informative interface of protection equipment (IEC 60870-5-103:1997); German version EN 60870-5-103:1998
Edition 1999-11

Fixed resistors for use in electronic equipment; blank detail specification: fixed power resistors; assessment level E; identical with IEC 60115-4-1, edition 1983
Edition 1987-04

Fixed resistors for use in electronic equipment; blank detail specification; fixed resistor networks in which not all resistors are individually measurable; assessment level E; identical with IEC 60115-7-1:1984
Edition 1989-08

Electrical ingeneering; basic environmental testing procedures; tests; guidance to test Kd: hydrogen sulphide H₂S (high concentration) for electrical contacts and connections; identical with IEC 60068-2-46, edition 1982
Edition 1985-08

Electrical engineering; basic environmental testing procedures; guidance to test Kc: sulphur dioxide SO₂ (high concentration) for electrical contacts and connections; indentical with IEC 68-2-49, edition 1983
Edition 1985-08

Concepts, abbreviations and symbols in geodesy - Part 6: Geodetic reference systems and reference surfaces
Edition 2021-04

Ultrasonics - Hydrophones - Part 2: Calibration for ultrasonic fields up to 40 MHz (IEC 62127-2:2007 + Cor.:2008 + A1:2013 + A2:2017); German version EN 62127-2:2007 + A1:2013 + A2:2017
Edition 2018-02

Fibre optic sensors - Part 1-1: Strain measurement - Strain sensors based on fibre Bragg gratings (IEC 61757-1-1:2020); German version EN IEC 61757-1-1:2020
Edition 2022-07

Radionuclide imaging devices - Characteristics and test conditions - Part 2: Gamma cameras for planar, wholebody, and SPECT imaging (IEC 61675-2:2015); German version EN 61675-2:2015
Edition 2021-04