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IEC 60742:1983 ed1.0

Заменен
Isolating transformers and safety isolating transformers. Requirements — 202 стр.
Applies to stationary or portable, single-phase or polyphase, air-cooled isolating and safety isolating transformers, associated or otherwise, having a rated supply voltage not exceeding 1000 V alternating current and 1000 V unsmoothed direct current and rated frequency not exceeding 500 Hz. Has the status of a group safety publication in accordance with IEC Guide 104.
ICS
29.180 Transformers. Reactors / Трансформаторы. Реакторы