SANS 61558-2-4-1997
电力变压器、电源装置及类似设备的安全性．第2．4部分：通用隔离变压器的特殊要求已作废

Safety of power transformers, power supply units and similar Part 2-4: Particular requirements for isolating transformers for general use

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标准号

SANS 61558-2-4-1997

发布日期

1997年02月

实施日期

废止日期

2009-05-22

发布单位

ZA-SANS

适用范围

This part 2 of IEC 61558 applies to stationary or portable, single-phase or polyphase, air-cooled 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: - 25 kVA for single-phase transformers; - 40 kVA for polyphase transformers. This standard is also applicable to 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.

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