DIN EN IEC 61557-7 VDE 0413-7:2024-10
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 7: Phase sequence
(IEC 61557-7:2019 + AMD1:2023); German version EN IEC 61557-7:2022 + A1:2023
Class/Status:
Standard,
valid
Released: 2024-10
VDE Art. No.: 0400659