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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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