IEC 60989 Ed. 1.0 b PDF
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Separating transformers, autotransformers, variable transformersand reactors.
Published by | Publication Date | Number of Pages |
IEC | 04/18/1991 | 238 |
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IEC 60989 Ed. 1.0 b – Separating transformers, autotransformers, variable transformersand reactors.
Applicable to stationary or portable, single-phase or polyphase, air-cooled separating transformers, autotransformers, variable transformers and small reactors, associated or not, having a rated supply voltage not exceeding 1 000 V a.c., a rated no-load or load output voltage not exceeding 15 kV a.c. or d.c. and a rated output not exceeding:– single-phase transformers:1 kVA– single-phase reactors:2 kVAR– polyphase transformers: 5 kVA– polyphase reactors:10 kVAR. Has the status of a group safety publication.
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