[PDF] IEC 61557-1:2019/AMD1:2024 gratis
Fecha de publicación: 15/10/2024 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 1: General requirements IEC 61557-1:2019/AMD1:2024