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LW5万能转换开关

更新:2013-9-11 16:15:46      点击:
  • 产品品牌   
  • 产品型号   LW5
  • 产品描述

    LW5万能转换开关,是上海人民电气有限公司 http://www.shamandq.com 为您提供的关于LW5万能转换开关型号,LW5万能转换开关价格,有关LW5万能转换开关的相关资料,上海人民电气...

产品介绍

控制5.5KW三相鼠笼型异步电动机用转换开关

1海抜高度不超过2000m.

2周围空气温度不高于+40℃及不低于-5℃,且24h平均值不超过+35℃.

3空气相对湿度+40℃时不大于50%,较低温度(十20℃)可达90%。对温度变化偶 尔产生的凝露应采取特殊的措施。

4在无爆炸危险的介质中,且介质中无足以腐蚀金属和破坏绝缘的气体和尘埃。

5开关应安装在无显著摇动和冲击振动且没有雨雪侵袭的地方。

6开关污染等级为3级。

7开关安装类别为Ⅲ类。

8开关外壳防护等级为IP40。

分类

1.开关按节数分有1~16节,共16种。

2开关按操作方式分有:

a)按操作方式分定位型和自复型;

b)按手柄分球型和旋钮式;

c)开关按定位特征可分为15种:(见表1)

基本参数

1、额定绝缘电压:500V、约定发热电流:16A。

2、允许正常操作频率:120次/H。

3开关机械寿命100×104次,电寿命20×104次。

4、开关的接通和分断能力见表3,控制电动机用开关的接通和分断能力见表4。

 

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