Generating sets - Uninterruptible power supply - Part 12: Dynamic UPS systems with and without reciprocating internal combustion engines
Edition 1996-06

Pumps - Methods of qualification and verification of the Energy Efficiency Index for rotodynamic pump units - Part 2: Testing and calculation of Energy Efficiency Index (EEI) of single pump units; German version EN 17038-2:2019 + AC:2021
Edition 2022-08

Maritime navigation and radiocommunication equipment and systems - Part 1: Shipborne automatic transponder system installation using VHF digital selective calling (DSC) techniques; operational and performance requirements, methods of testing and required test results (IEC 61993-1:1999); German version EN 61993-1:1999
Edition 2000-06

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

Analogue audio disk records and reproducing equipment (IEC 60098:2020); German version EN IEC 60098:2020
Edition 2021-01

Expression of performance of electrochemical analyzers - Part 1: General (IEC 60746-1:2003); German version EN 60746-1:2003
Edition 2003-09

Methods of measurement for equipment used in terrestrial radio-relay systems; part 3: simulated systems (IEC 60487-3:1975); German version HD 477.3 S1:1988
Edition 1994-01

Electrical measuring instruments; X-Y recorders (IEC 61028:1991); German version EN 61028:1993
Edition 1993-12

Requirements for process cells for the handling of radioactive materials
Edition 2020-12

Urban Rail - Requirements for electrotechnical and mechanical systems
Edition 2024-09