Floor mounted traditional dip switch for foot use, equivalent to Lucas part number 31284 (model FS22-1). Base plate measures 75mm x 40mm with 60mm hole centre fixing screws, three terminals with screw/plate connections, switch operating button 32mm diameter 35mm tall, overall height of switch from base plate 47mm. Very similar to switch no. 31226.
Ford part reference YE-13528-B