The disclosure relates to a device for securing a first module and a second module in a space between a first mount and a second mount. The device comprises a biasing apparatus configured to urge the first module and the second module away from each other, thereby urging the first module against the first mount and urging the second module against the second mount. Further, the device comprises a release apparatus configured to move the first module and the second module toward each other, thereby moving the first module away from the first mount and moving the second module away from the second mount. The device provides an uncomplicated and flexible mounting and demounting of the first module and second module, thus attaining a flexible and uncomplicated attachment of each module to the respective mount and a flexible and uncomplicated detachment of each module from the respective mount.