用一定的動作力通邊一定的行程，使觸點連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。It is a sensitive swith tiny contact clearnce,instant action,and finny travel.it candrive the contrac rapidly and directly incertain travel with certain action force in order to switch over the circuit.

廣氾應用於各種電子產品、儀器儀表和家電器等領域。如：電腦鼠標器、汽車電子產品、通訊設備、軍工產品、測試儀器、燃氣熱水器、煤氣灶、小家電等。The micro switches are widely used in the fields of electronic product,instrument and meter,household appliance,such as computer mouse,autombile electronic oduct,communication facility,military product,test instrument,gas water heater,gas burner,small household facility and so on.