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>UNE standards>UNE EN IEC 61557-7:2022/A1:2023 - 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 (Endorsed by Asociación Española de Normalización in November of 2023.)
in stockReleased: 2023-11-01
UNE EN IEC 61557-7:2022/A1:2023 - 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 (Endorsed by Asociación Española de Normalización in November of 2023.)

UNE EN IEC 61557-7:2022/A1:2023

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 (Endorsed by Asociación Española de Normalización in November of 2023.)

Seguridad eléctrica en redes de distribución de baja tensión hasta 1 000 V c.a. y 1 500 V c.c.. Equipos para ensayo, medida o vigilancia de las medidas de protección. Parte 7: Secuencia de fases. (Ratificada por la Asociación Española de Normalización en noviembre de 2023.)

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Standard number:UNE EN IEC 61557-7:2022/A1:2023
Pages:13
Released:2023-11-01
Status:Amendment
DESCRIPTION

UNE EN IEC 61557-7:2022/A1:2023

1 Scope Replace the NOTE by the following: NOTE Common three-phase distribution systems are depicted in IEC 61010-1:2010/AMD1:2016, Annex I.