Electronic device, in particular in automatic-control device

An electronic device, comprising:

• an circuit unit;
• and
• at least one coupling unit for connecting external leads to the circuit unit, the at least one coupling unit including a housing, the housing including at least one spring clip and a first aperture adapted for inserting therethrough a suitable tool in a first direction to open the at least one spring clip and for allowing external leads to be inserted therethrough in the first direction to couple with the at least one spring clip, the housing further including second and third apertures adapted for inserting the suitable tool therethrough in one of a second and a third direction to open the at least one spring clip,
• wherein the second direction is substantially opposite to the first direction and wherein the third direction is substantially perpendicular to the second direction.