BS EN IEC 62271-214:2024 PDF

High-voltage switchgear and controlgear - Internal arc classification for AC metal-enclosed pole-mounted switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV

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BS EN IEC 62271-214:2024

High-voltage switchgear and controlgear - Internal arc classification for AC metal-enclosed pole-mounted switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV

Статус документа:: Действующий
Формат:: Электронный (PDF)
Дата публикации:: 30 июня 2025 г.
ICS:: 29.130.10
Технический комитет:: CENELEC
SKU:: BS EN IEC 62271-214:2024

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Abstract

1 Scope This part of IEC 62271 specifies requirements for internal arc classification of AC metal-enclosed pole -mounted switchgear and controlgear with rated voltages above 1 kV and up to and including 52 kV with service frequencies up to and including 60 Hz. This document is applicable to three-phase, two-phase and single-phase open terminal equipment for which an internal arc classification is assigned. Enclosures may include fixed and removable components and may be filled with fluid (liquid or gas) to provide insulation.

NOTE 1 The IAC classification takes into account the installation disposition of the high-voltage switchgear and controlgear and worker's operating area.

NOTE 2 For the use of this document, high-voltage (IEC 60050‑601:1985, 601-01-27) is the rated voltage above 1 000 V. However, medium voltage (IEC 60050‑601:1985, 601-01-28) is commonly used for distribution systems with voltages above 1 kV and generally applied up to and including 52 kV; refer to [1] 1 .

This document does not preclude that other equipment may be included in the same enclosure . In such a case, any possible influence of that equipment on the switchgear and controlgear is to be taken into account.

BS EN IEC 62271-214:2024 PDF

Abstract

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