Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 2-4: Particular requirements - Test configurations, operational conditions and performance criteria for insulation monitoring devices according to IEC 61557-8 and for equipment for insulation fault location according to IEC 61557-9 ((IEC 61326-2-4:2020) EN IEC 61326-2-4:2021) (german version)
Edition 2023-01-01

Telecontrol equipment and systems - Part 5-103: Transmission protocols - Companion standard for the informative interface of protection equipment
Edition 1998-05-26

Communication systems for meters - Part 1: Data exchange
Edition 2021-12

Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 2-4: Particular requirements - Test configurations, operational conditions and performance criteria for insulation monitoring devices according to IEC 61557-8 and for equipment for insulation fault location according to IEC 61557-9
Edition 2021-06

Electromagnetic compatibility (EMC) - Part 3-11: Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems - Equipment with rated current
Edition 2019-11

Communication systems for meters - Part 3: Application protocols
Edition 2018-09

Helical-scan video tape cassette system using 12,65 mm (0,5 in) magnetic tape on type VHS. Part 5: D-VHS
Edition 2004-10

CENELEC standard voltages
Edition 2011-10