BS EN 61557-3:2007 PDF
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures - Loop impedance
Название (английский):
BS EN 61557-3:2007
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures - Loop impedance
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Дата публикации:
- 29 июня 2007 г.
- ICS:
- 17.220.20
- Технический комитет:
- CENELEC
- SKU:
- BS EN 61557-3:2007
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Язык документа:
Срок поставки:1 раб. дн. (перевод)
Цена:50 €
Abstract
1 Scope This part of IEC 61557 specifies the requirements applicable to equipment for measuring the loop impedance between a phase conductor and the protective conductor or between a phase conductor and neutral or between two phase conductors by using the voltage drop when the circuit under test is loaded.
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