EAO Series 82 Pushbutton – EAO 82-4561.1000, This EAO 82-4561.1000 Series 82 82-4561.1000 Pushbutton is a momentary switch which is resistant to vandalism and sealed for use in harsh environments. This protection makes the switches ideally suited for exposed public use. EAO 82-4561.1000 EAO Series82 82-4561.1000 Pushbutton Mo 16mm Al Raised Plug