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IEC 61557-7:2019/AMD1:2023 ED3

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

Publication date:   Aug 25, 2023

General information

60.60 Standard published   Aug 25, 2023

IEC

TC 85

International Standard

17.220.20   Measurement of electrical and magnetic quantities | 29.080.01   Electrical insulation in general | 29.240.01   Power transmission and distribution networks in general

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PREVIOUSLY

PUBLISHED
IEC 61557-7:2019 ED3

NOW

PUBLISHED
IEC 61557-7:2019/AMD1:2023 ED3
60.60 Standard published
Aug 25, 2023