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CJ40接触器上海人民电器厂概述

2020/9/10 11:21:32      点击:
产品介绍

CJ40交流接触器主要用于交流50Hz或60Hz,CJ40交流接触器额定电压至660V或1140V,电流至1000A的电力系统中接通和分断电路,CJ40接触器并与适当的热过载继电器组成交流电动机起动器,CJ40交流接触器以保护运行中可能发生过载的电路。

 1.1  CJ40交流接触器适用于交流50Hz、额定电压至660V、电流至1 000A的电力系统中接通与分断电路,并与适当的热继电器或电子式保护装置组合成电动机起动器,以保护可能发生过载的电路。         

接触器按GB14048.4及JB8591.3设计、制造与检验。

1.2  CJ40交流接触器正常工作条件和安装条件 

1.2.1  CJ40交流接触器周围空气温度:上限为+40℃,24h内其平均值不超过+35℃;下限为-5℃。 

1.2.2  CJ40交流接触器海拔:安装地点的海拔高度不超过2 000m。 

1.2.3  CJ40交流接触器大气条件:安装地点的空气相对湿度在最高温度为+40℃时不超过50%;在较低温度下允许有较高的相对湿度;在最湿月平均最低温度不超过+25℃时该月的月平均最大相对湿度不超过90%,并应考虑因温度变化发生在产品表面的凝露。

1.2.4  CJ40接触器污染等级:污染等级为3级。 

1.2.5   CJ40接触器安装类别(过电压类别):安装类别为Ⅲ。 

1.2.6   CJ40接触器安装条件:安装面与垂直的倾斜度不大于5°