SN EN 61558-2-4 : 1997
Current
The latest, up-to-date edition.
SAFETY OF POWER TRANSFORMERS, POWER SUPPLY UNITS AND SIMILAR - PART 2-4: PARTICULAR REQUIREMENTS FOR ISOLATING TRANSFORMERS FOR GENERAL USE
12-01-2013
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.
| DocumentType |
Standard
|
| PublisherName |
Swiss Standards
|
| Status |
Current
|
| Standards | Relationship |
| UNE-EN 61558-2-4:2010 | Identical |
| I.S. EN 61558-2-4:2009 | Identical |
| IEC 61558-2-4:2009 | Identical |
| NF EN 61558-2-4 : 2009 | Identical |
| BS EN 61558-2-4:2009 | Identical |
| EN 61558-2-4:2009 | Identical |
| DIN EN 61558-2-4 : 2009 | Identical |
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