AS 3639.1-1989被替代
Low voltage switchgear and controlgear - Multiple function devices Automatic transfer switching equipment (automatic transfer switches)
出版：Standards Australia
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基本信息
标准编号： AS 3639.1-1989
标准类别：Standard
出版单位：Standards Australia
标准页数：15
标准简介
Specifies requirements for switching equipment designed to automatically transfer an electrical installation or part of an electrical installation from a normal source when it is interrupted or its voltage and frequency deviate unacceptably from specified values, and to automatically transfer it back when the normal source of supply meets specified requirements.
本标准替代的旧标准
替代本标准的新标准
