LJW26系列转换幵关主要用于交流50HZ，额定工作电压690V及以下，直流电压240V及以下、约定电流至160A的电气线路中，供手动不频繁接通或分断电路作控制和转换之用，也可直接控制小容量交流电动机和作主令控制及电路测量之用，产品用途广泛，可作为电路控制开关、测试设备开关、电动机控制开关、主令控制开关及电焊机开关等。

      LJW26系列开关具有体积小、功能多、机构紧凑、选材讲究、绝缘好、转换操作灵活、安全可靠以及外观造型新颖等特点，其中LJW26-20/04GS或称LJH13型护指式电源切断开关具有护指功能简称为护指开关。

      LJW26 series changeover switch is used in the circuits of AC 50Hz, rated voltage up to 690V, DC voltage up to 240V, rated current up to 100A, to not frequently switch on/off circuit, transfer and control circuits, also it can directly control small capacity motor or be used for master control or electric meters. The switch is used widely in circuit control, test equipment,switch for motor, master control, welding machine and etc.

      Advantages: small size, multifunction, compact structure, high quality material, good insulation，agile operation，reliability, safety, good appearance. LJW26-20/04GS or LJH13 type armor power switch is off to protect functions for protection as to switch.