This part 2 of IEC 61558 applies to stationary or portable, single-phase or polyphase, air-cooled safety isolating transformers, associated or othervvise, having a rated supply voltage not exceeding 1000 V a.c. and rated frequency not exceeding 500 Hz, the rated output not exceeding: - 10 kVA for single-phase transformers; - 16 kVA for polyphase transformers. This standard is also applicable to safety isolating transformers vvithout limitation of the rated output; hovvever such transformers are considered as special transformers and are subjected to an agreement betvveen the purchaser and the supplier.
SANS 61558-2-6-1997由ZA-SANS 发布于 1997-02,于 2009-05-22 废止。
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