ZPB遥控按钮盒供远距离控制各种电器设备的启动、正转、反转、紧急停止及风油切断等用处，并通过指示显示工作状态。
ZPB Remote Button Box use of far distance control start, stop, emergency stop and shut off fans & oil pumps of various kinds of electrical equipment and display working state by indicator.
当按一下按钮，门铃触发奏完一曲后即自动切断交流电源，不会误触发。可用来取代现有的电子音乐门铃。
When its button is pressed once, the bell is triggered to play a music and then AC power supply is automatically cut off without error triggering.
此外只有有权限的人才能使用的紧急按钮，切断电源而阻止过往车辆。
It also features an emergency trip button that authorized personnel can use to cut power to the track to halt an oncoming train.
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