DIN EN IEC 61557-3 VDE 0413-3:2022-12
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC – Equipment for testing, measuring or monitoring of protective measures
Part 3: Loop impedance
(IEC 61557-3:2019); German version EN IEC 61557-3:2022
Class/Status:
Standard,
valid
Released: 2022-12
VDE Art. No.: 0400564