Application: it's applied to break or contact fire fighting alarm system by remote control for electric circuit, it's also available for remote trip by pressing emergency stop button.
应用：可对电气线路遥控断开、联络消防报警系统，也可以通过急停按钮遥控脱扣。
Application: it's applied to break or contact fire fighting alarm system by remote control for electric circuit, it's also available for remote trip by pressing emergency stop button.
应用：可对电气线路遥控断开、联络消防报警系统，也可以通过急停按钮遥控脱扣。
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