20.99 Oct 18, 2024
CD Dec 26, 2025
IEC
TC 85
International Standard
PROJECT
IEC 61557-19 ED1
20.99
WD approved for registration as CD
Oct 18, 2024
Electrical safety in low voltage distribution systems up to 1.000 v AC and 1.500 v DC - Equipment for testing, monitoring or measuring the protective measures in energy distribution system - Part 19: Monitoring device for earthing impedance in IT-systems
10.99 New project approved