Check the listing for details. Push Bottom Switch Red Momentary AC 380V 5A Mushroom Head Pushbutton Switch 30mm. Condition: New. Listed at 15.47 USD. Description:-This button switch is suitable in AC 50Hz, 380V and DC 220V circuits for remote manual control of electromagnetic starter, contactor, relay coil and other electrical signal appliances.-Momentary Push Switch causes a temporary change in the state of an electrical circuit only while the switch is actuated. -Widely used in security systems, Industrial manufacturing equipment, Gaming, Audio/video equipment, Avionics, Fitness equipment, Test and measurement equipment.-Most often momentary switches are used for circuits control in electromagnetic starter: Doorbell button, stuff like relay, Horn Button Switch, PC Power Switch or any circuit controls.-NOTE: These switches are not positive break types and should not be used for emergency stop applications.