A modular control device (1) is proposed, containing a support module arrangement (3) equipped with a control module arrangement (15). Additionally provided information-carrying modules (42) make it possible to make information regarding the control modules (16) available. They respectively contain a fastening section (43) fixed in place on the support module arrangement (3) and an information-carrying section (45), which is pivotably seated on hinge means (44). The information-carrying section is embodied in an L-shape and can be selectively positioned in a working position, in which it extends over the control module arrangement (15), or in a release position, in which it makes the control module arrangement (15) accessible.