DIN EN 61558-1/A1 VDE 0570-1/A1:2009-11
Safety of power transformers, power supplies, reactors and similar products
Part 1: General requirements and tests
(IEC 61558-1:2005/A1:2009); German version EN 61558-1:2005/A1:2009
Class/Status:
Standard,
withdrawn
Released: 2009-11
VDE Art. No.: 0570029