是实现自动警和停机的一种保护性开关。
It is a protective switch to realize automatic alarm and stop.
电源开关用于控制仪表箱电源的通断和正常停机操作。
Power switch for controlling power supply meter box-off and normal shutdown operation.
紧急停机按钮；保护用的接触开关；确保操纵人员的使用安全。
Emergency button and the protection of contact switch, make sure the personnel security of manipulator.
紧急停机按钮；保护用的接触开关；确保操纵人员的使用安全。
Emergency button and the protection of contact switch, make sure the personnel security of manipulator.
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