Push-Button Switch, DPDT, ON- (ON Momentary).
Take off – Go around switch (TOGA)
Used with GTN / GMC / G3X missed approach feature aka “remote go around”
Fits a 1/4″ hole
Note from Garmin:
“To prevent GEA 24 and GTN discrete inputs from affecting one another, do not connect together on a single pole switch.” -G3X install manual, Rev AM, page. 28-5