6186-M15ALTR+常用模块6186M15ALTR

6186-M15ALTR
6186-M15ALTR
6186-M15ALTR
欠电压继电器(KV)用于线路的欠电压保护，其释放整定值为线路额定电压的0.1～0.6倍。当被保护线路电压正常时，衔铁可靠吸合；当被保护线路电压降至欠电压继电器的释放整定值时，衔铁释放，触点机构复位，控制接触器及时分断被保护电路。零电压继电器是当电路电压降低到5％～25％UN时释放，对电路实现零电压保护。用于线路的失压保护。中间继电器实质上是一种电压继电器。它的特点是触点数目较多，电流容量可增大，起到中间放大(触点数目和电流容量)的作用。
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