Short-circuit currents in three-phase a.c. systems - Part 3: Currents during two separate simultaneous line-to-earth short-circuits and partial short-circuit currents flowing through earth (IEC 60909-3:2009); German version EN 60909-3:2010, Corrigendum to DIN EN 60909-3 (VDE 0102-3):2010-08; (IEC-Cor.:2013 to IEC 60909-3:2009)
Edition 2014-02

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-15: Particular requirements and tests for isolating transformers for the supply of medical locations (IEC 61558-2-15:2011); German version EN 61558-2-15:2012
Edition 2012-09

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-15: Particular requirements and tests for isolating transformers for medical IT systems for the supply of medical locations (IEC 96/508/CDV:2021); German and English version prEN IEC 61558-2-15:2021
Edition 2022-07

Electrical networks; algebraification of topology and fundamentals of electrical network calculation
Edition 1988-04

Aerospace series - Modular and Open Avionics Architectures - Part 003: Communications/Network; German and English version EN 4660-003:2019
Edition 2020-03

Open systems interconnection; internal organization of the network layer; identical with ISO 8648:1988
Edition 1990-07

Automatic electrical controls - Part 1: General requirements (IEC 60730-1:2013/A2:2020); German version EN 60730-1:2016/A2:2022
Edition 2023-01

Automatic electrical controls - Part 1: General requirements (IEC 60730-1:2013, modified + COR1:2014 + A1:2015); German version EN 60730-1:2016 + A1:2019
Edition 2021-06

External a.c. - d.c. and a.c. - a.c. power supplies - Determination of no-load power and average efficiency of active modes (german version)
Edition 2014-10-01

External a.c. - d.c. and a.c. - a.c. power supplies - Determination of no-load power and average efficiency of active modes
Edition 2014-09