DIN EN 61558-2-4 (1998-07)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：Verband Deutscher Elektrotechniker
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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.
DRAFT 2007 issued in Nov. 2007. (11/2007)
SS EN 61558-2-4 Ed. 1 (1997) - Identical
UNE EN 61558-2-4:1999 - Identical
I.S. EN 61558-2-4:1998 - Identical
SN EN 61558-2-4:1997 - Identical
BS EN 61558-2-4:1998 - Identical
IEC 61558-2-4 Ed. 1.0 - Identical
NF EN 61558-2-4:1999 - Identical
