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ÖVE/ÖNORM EN 61558-2-4:2010-02

Действует
Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers (IEC 61558-2-4:2009) (english version)
ICS
29.180 Transformers. Reactors / Трансформаторы. Реакторы