自动复位万能转换开关取代按钮，一孔取代多孔。

The auto reversing universal changeover switch substitute for the button, and one hole substitute for multi-hole.

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内装交流接触器，热继电器，自复位万能转换开关等。

Built-in ac contactor, thermal relay and universal self-reset converting switch.

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内装元件主要有：万能转换开关，按钮，电流表，指示灯等，可按用户要求装其他仪表。

Install inside component: Omnipotent change-over switch, press the button, an ampere meter, Indicator lamp wait, can load other instruments with according to user "s request."

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内装元件主要有：万能转换开关，按钮，电流表，指示灯等，可按用户要求装其他仪表。

Install inside component: Omnipotent change-over switch, press the button, an ampere meter, Indicator lamp wait, can load other instruments with according to user "s request."

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