NF EN 61558-2-4:1999被替代
Safety Of Power Transformers, Power Supply Units And Similar - Part 2-4: Particular Requirements For Isolating Transformers For General Use
出版：Association Francaise de Normalisation
专家解读视频
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.
Indice de classement: C52-558-2-4PR. 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)
SN EN 61558-2-4:1997 - Identical
BS EN 61558-2-4:1998 - Identical
DIN EN 61558-2-4 (1998-07) - Identical
IEC 61558-2-4 Ed. 1.0 - Identical
I.S. EN 61558-2-4:1998 - Identical
UNE EN 61558-2-4:1999 - Identical
SS EN 61558-2-4 Ed. 1 (1997) - Identical
