用一定的動作力通過一定的行程，使觸點速動而進行電路轉換的靈敏開關。具有微小觸點間隙、瞬時動作和微小行程的特點。按鈕開關廣氾應用於各種電子產品、儀器儀表和家用電器等頷域。如：汽車電子產品、通訊設備、軍工產品、測試儀器、燃氣熱水器、小家電等。

It is a sensitive switch with tiny contact clearance, instant action and tinny travel .it can drive the contact rapidly and directly in certain travel with certain action force in order to switch over the circuit. The micro switches are widely used in the fields of electronic product, instrument and meter, household appliance, such ascomputer mouse, autombile electronic product, communication facility, military product, test instrument, gas water heater, gas burner, small household facility and so on.