RSTA型按钮开关适用于铁路机车司机室、动车组等工业自动化设备，在辅助电路中用来控制主令电器。

本型号按钮开关具有品种齐全，结构紧凑，体积小、重量轻、抗振性好、寿命长，安装使用方便等特点。触头具有自净、速动、密封等性能。

RSTA button switch is for industrial automation equipment of railway locomotive cab, motor train unit and so on, and is used to control the master electrical apparatus in the auxiliary circuit.

This model button switch, is with a great variety, compact structure, small size, light weight, good vibration resistance, long life, and easy to install and use. And the contact is with the performance of self-cleaning, quick-action and sealing, etc.