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NF EN 61558-2-4:2009现行

Safety Of Transformers, Reactors, Power Supply Units And Similar Products For Voltages Up To 1100 V - Part 2-4: Particular Requirements And Tests For Isolating Transformers And Power Supply Units Incorporating Isolating Transformers

出版：Association Francaise de Normalisation

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基本信息

标准编号： NF EN 61558-2-4:2009

发布时间：2009/7/1 0:00:00

标准类别：Standard

出版单位：Association Francaise de Normalisation

标准页数：19

标准简介

Applicable to stationary or portable, single-phase or polyphase, air cooled isolating transformers, associated or otherwise, with a rated supply voltage up to and including 1000 V a.c., and rated frequency up to and including 500 Hz, with rated output not in excess of 25 kVA for single-phase and 40 kVA for polyphase transformers. Also applicable to isolating transformers without limitation of the rated output; these transformers are considered as special transformers and party to an agreement between purchaser and supplier.

标准备注

Indice de classement: C52-558-2-4. Supersedes NF EN 60742. To be used in conjunction with NF EN 61558-1. (04/2004) PR NF EN 61558-2-4 October 2007. (10/2007) 1999 version is still active. (07/2009)

本标准替代的旧标准

NF EN 60742:1997

NF EN 61558-2-4:1999

等同采用的国际标准

I.S. EN 61558-2-4:2009 - Identical

BS EN 61558-2-4:2009 - Identical

DIN EN 61558-2-4 (2009-12) - Identical

UNE EN 61558-2-4 : 2010 - Identical

I.S. EN 61558-2-4:2009 - Identical

IEC 61558-2-4 : 2.0 - Identical

BS EN 61558-2-4 : 2009 - Identical

EN 61558-2-4 : 2009 - Identical