NZS/AS 1023.2-1989 标准详情
- 标准号:NZS/AS 1023.2-1989
- 中文标题:
- 英文标题:Low voltage switchgear and controlgear - Protection of electric motors - Current-sensing protection devices for a.c. motors
- 标准类别:其他国内外OTHERSS
- 发布日期:
Specifies requirements for five types of device or relay to protect a.c. electric motors from overtemperature damage caused by overload, phase failure or stalled drive, by sensing the magnitude, duration and, depending on the type, other properties o
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