DIN EN 61558-2-4 VDE 0570-2-4:1998-07
Safety of power transformers, power supply units and similar
Particular requirements for isolating transformers for general use
(IEC 61558-2-4:1997); German version EN 61558-2-4:1997
Class/Status:
Standard,
withdrawn
Released: 1998-07
VDE Art. No.: 0570002