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NF EN 61558-2-4:2009現(xiàn)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
標準編號: NF EN 61558-2-4:2009
發(fā)布時間:2009/7/1 0:00:00
標準類別:Standard
出版單位:Association Francaise de Normalisation
標準頁數(shù):19
標準簡介

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.

標準備注

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)

本標準替代的舊標準

NF EN 60742:1997

NF EN 61558-2-4:1999