Programmable controller having a heatsink

The invention refers to an automation device (1) configured for an automation environment and for automating an industrial process, including a first printed circuit board (31), a second printed circuit board (32), a first electronic component (30a) arranged on the first printed circuit board (31) and a second electronic component (30b) arranged on the second printed circuit board (32), a heatsink (20) arranged on the first printed circuit board (31), wherein the first electronic component (30a) is arranged between the first printed circuit board (31) and the heatsink (20), the heatsink (20) has a cuboid shape and rests on the first electronic component (30a) with a first cooling contact surface (24a) incorporated in a first lateral surface (22) of the cuboid and a second cooling contact surface (24b) incorporated in a second lateral surface (23) of the heatsink rests on the second electronic component (30b), and the second printed circuit board (32) is arranged essentially vertically with respect to the firs