IEC 61557-7:2019/AMD1:2023

Amendment 1 - 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
OEN:
IEC
Langue:
English
Code(s) de l'ICS:
17.220.20; 29.080.01; 29.240.01
Statut:
Publié
Date de Publication:
2023-08-24
Numéro Standard:
IEC 61557-7:2019/AMD1:2023