陕西施耐德交流接触器 湖南施耐德接触器代理

长沙汇业电气工程有限公司

1.维护保养为了使主断路器处于良好的工作状态，必须加强维护管理。
1. 保持空气潮湿或不洁，管道不干净，都可能造成一下后果：
（1） 潮湿气体在电弧作用解成氢、氧等混合气体，破坏主触头分断后断口间的绝缘，是电弧困难或电弧重燃，严重时会造成灭弧室炸裂。
（2） 使支持瓷瓶和灭弧室内腔绝缘强度降低，造成沿面放电。
（3） 管道中的漆皮、锈渣等异物可能堵塞气口，使主断路器动作失灵，发生卡位现象。
（4） 异物若进入灭弧室，可能会造成主触头接触不良，使非线性电阻因长期通电而烧损，严重时会造成非线性电阻瓷瓶炸裂。
因此，在主断路器储风缸的进气管上装有油水分离器，下部有放水阀，使用维护时应定期排水以保持气路洁净。
2．定期更换橡胶件
主断路器是一种结构复杂的气动电气，各部件对密封性能要求较高，为保证良好的密封性能，应定期更换橡胶件。
3．定期检查各主要部件
应定期检查各主要部件保持良好的技术状态。
（1）灭弧室
定期检测主触头**程和动触头复原弹簧的状态，动、静触头由于分、合频繁，会因相互摩擦而磨损，从而造成**程减小，接触压力减小。当**程减小到一定程度时，要更换动、静触头。动触头复原弹簧变形**过一定限度时，必须及时更换。
（2）非线性电阻
保持非线性电阻瓷瓶内控清洁，密封良好，定期更换非线性电阻瓷瓶中的干燥剂。检测非线性电阻片的阻值，阻值变化**过一定限度时，必须及时更换。
（3）主阀
定期检查活塞与阀体间的配合尺寸，尺寸不符合要求应及时更换。
（4）传动风缸
适当调节传动风缸的缓冲，保证隔离开关动作良好。定期检查活塞与缸体之间的配合精度，通过修整或更换零部件，保证其良好的动作性能。
（5）通风塞门
必须定期更换塞门中的填料，检测塞门的通风量，将其调整至允许范围之内。

接触器
接触器分为交流接触器（电压AC）和直流接触器（电压DC），它应用于电力、配电与用电场合。接触器广义上指工业电中利用线圈流过电生磁场，使触头闭合，以达到控制负载的电器。作用：在电工学上，因为可快速切断交流与直流主回路和可频繁地接通与大电流控制（达800A）电路的装置，所以经常运用于电动机做为控制对象﹐也可用作控制工厂设备﹑电热器﹑工作母机和各样电力机组等电力负载，接触器不仅能接通和切断电路，而且还具有低电压释放保护作用。接触器控制容量大，适用于频繁操作和远距离控制,是自动控制系统中的重要元件之一。在工业电气中其用处相当广泛。
Reference
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*2种：用电设备本身绝缘损坏而漏电（即设备中的N线与PE线短接）。
故障现象：插座回路用电时，插座回路漏电开关跳闸。
故障原因：经分析线路接线正确无误，负荷计算与漏电开关匹配，故判断为用电设备本身绝缘损坏而漏电（即设备中的N线与PE线短接）。
解决：更换或用电设备，保证用电设备具有良好的绝缘。
*3种：线路绝缘强度或线路短路引起漏电断路器故障跳闸。
故障现象：不用电时，插座回路漏电开关跳闸。
故障原因：经分析，1、线路绝缘强度，泄漏电流**过了漏电开关允许泄漏电流值。2、因线路短路所致。
解决：1、烘干线路，绝缘强度。2、检查线路若是短路所致，排除短路故障。
*4种：有人触电，插座回路漏电断路器跳闸。
故障现象：插座回路漏电开关突然跳闸。
故障原因：有人触电。
解决：宣传教育用户用电，避免触电事故发生，若发现有人触电，应及时抢救伤者。
*5种：员工接线不正确，照明回路中将N线接到PE线上了
故障现象：插座回路能正常用电，照明回路用电时，中的总漏电开关跳闸。
故障原因：经分析，线路接线不正确，将照明回路中的N线误接到PE线上了。
解决：进行改线，将照明回路中的PE线改接到N线上。
*6种：员工接线不正确，插座盒中的N线与PE线接错了
故障现象：照明回路能正常用电，插座回路用电时，ALY中的插座漏电开关跳闸，有时AL1中的总漏电开关也跳闸。
Reference
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应用范围
1、工业，基础设施，建筑
2、Tesys D接触器可以用于任何需要电动机起动器的场合。
4安装工作条件
周围空气温度为：-5℃～+40℃。内其平均值不**过+35℃；
海拔高度：不**过2000m；
大气条件：在+40℃时空气相对湿度不**过50%，在较低温度下可以有较高的相对湿度，湿月的月平均低温度不起过+25℃，该月的月平均大相对湿度不**过90%，并考虑因温度变化发生在产品上的凝露。
安装类别：Ⅲ类；污染等级：3级；
安装条件：安装面与垂直面倾斜度不大于±5°；
冲击振动：产品应安装和使用在无显著摇动、冲击和振动的地方。
M7C电压220V线圈Q7C380V
订货须知：
1.电流；
2.电压；
3.数量。
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