相序保护器HYJ_IV 保护特点：
动态缺相、静态缺相保护：指被保护设备在运行状态或非运行状态时，任意一相发生断相故障。指示灯形式为：黄灯灭。
错相保护：防止T、S、R三相交流电源相序接错的一种保护措施。即时动作。指示灯形式为：黄灯灭。
过压保护：指被保护线路电压高于设定值。指示灯形式为：LED灯灭
欠压保护：指被保护线路电压低于设定值。指示灯形式为：LED灯灭
Characteristics of protection
Dynamic phase-lacking protection and static phase-lacking protection, which starts to work if one phase opens when the protected equipment is in operating course or un-operating state. The yellow indicator lamp goes out。
Error-phase protection: It is a protection method preventing T, S and R three-phase power supply connecting incorrectly. It can work instantly and the yellow indicator lamp goes out.
Over-voltage protection: means the voltage of the protected circuit is higher than the set value; the LED indicator lamp goes out.
Under-voltage protection: means the voltage of the protected circuit is lower than the set value; the LED indicator lamp goes out.
相序保护器HYJ_IV ：http://www.czhengye.cn/goods/show-218.html
898995850
