Mike Krzyzewski is really a famous coach of Dream Team. She has coached north america men's basketball team for some time, that's clinched numerous medals for his country. Following London Olympic was over, Krzyzewski told The Associated Press that this game will be his final one as national coach, a job he's held for seven years. He had left open the possibility of staying with the team beyond the London Games, when practice on Saturday said these will be his last Olympics.When asked if he was sure, Krzyzewski didn't hesitate before again saying, "yes," this will be his last game "If we could win it, then it might be three major championships in a row, i always do not know when that has been done because we haven't usually won the globe championships," Krzyzewski said. "It becomes an enormous thing for the program." Whatever, he's an awesome coach. His achievement are going to be remembered by the country.

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CJ20交流接觸器

更新:2013/9/7 14:47:42      点击:
  • 産品品牌   
  • 産品型號   CJ20
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    CJ20交流接觸器,是上海人民电气有限公司 http://www.shamandq.com 为您提供的关于CJ20交流接觸器型號,CJ20交流接觸器价格,有关CJ20交流接觸器的相关资料,上海人民电气...

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CJ20系列交流接觸器(以下簡稱接觸器),主要用于交流50Hz,額定電壓至660V(個別等級至1140V),電流至630A的電力線路中,做頻繁地接通和分斷電路及控制交流電動機用, 並適宜于與熱繼電器或電子式保護裝置組成電磁起動器。

CJ20系列交流接觸器为双断点直动式结构,25A及以下規格采用兩層布置,下層爲主觸頭,上層爲輔助觸頭,40A及以上規格的輔助觸頭組裝于主觸頭兩側;25A以下規格利用導電體的電動力滅弧,25A以上規格采用多縱縫滅弧罩或柵片滅弧罩滅弧。

周围空气温度上限为+40℃,下限为-5℃;并且24h内其平均值不超过+35℃;安装地点的海拔不超过2000m;安装地点的空气相对湿度,在最高周围空气温度为+40℃时不超过50% ;在较低的温度下可允许有较高的相对湿度,最湿月的平均最大相对湿度不超过90%同时该月的平均最低温度不超过+25℃,由于温度变化发生在产品上的凝露情况必须采取相应措施;安装类别为Ⅲ类;污染等级:3级;安装面与垂直面的倾斜度不超过±5°,且应无冲击和长时间振动。

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