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交流接触器        

更新:2013/9/7 14:47:42      点击:
  • 产品品牌   
  • 产品型号   CJ20
  • 产品描述

    CJ20交流接触器         ,是上海人民电气有限 公司 http://www.shamandq.com 为您提供的关于  CJ20交流接触器         型号,CJ20交流接触器         价格,有关CJ20交流接触器         的相关资料,上海人民电气...

产品介绍

适用范围

CJ20系列交流接触 器(以下简称接触器 ),主要用于交流 50Hz,额定电压至 660V(个别等级至 1140V),电流至630A的电力线路中,做 频繁地接通和分断电路及控制交流电动机用, 并适宜于与热继电 器或电子式保护装置组成电磁起动器。

CJ20系列交流接触 器     为双断点直动式结构,25A及以下规格采用两 层布置,下层为主触头,上层为辅助触头,40A及以上规格的辅助 触头组装于主触头两侧;25A以下规格利用导电 体的电动力灭弧,25A以上规格采用多纵 缝灭弧罩或栅片灭弧罩灭弧。

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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