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>UNE EN IEC 61557-3:2022 - 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 3: Loop impedance (Endorsed by Asociación Española de Normalización in July of 2022.)
sklademVydáno: 2022-07-01
UNE EN IEC 61557-3:2022 - 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 3: Loop impedance (Endorsed by Asociación Española de Normalización in July of 2022.)

UNE EN IEC 61557-3:2022

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 3: Loop impedance (Endorsed by Asociación Española de Normalización in July of 2022.)

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 3: Impedancia de bucle. (Ratificada por la Asociación Española de Normalización en julio de 2022.)

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Označení normy:UNE EN IEC 61557-3:2022
Počet stran:20
Vydáno:2022-07-01
Status:Norma
DESCRIPTION

UNE EN IEC 61557-3:2022

This part of IEC 61557 specifies the requirements applicable to equipment for measuring the loop impedance between a line conductor and the protective conductor or between a line conductor and neutral or between two line conductors by using the voltage drop when the circuit under test is loaded.

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