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.

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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