apra-norm offers frames and cover brackets in various heights.
frame 3 U: single row with 2 threaded inserts
frame 6 U: double row with 2 or 4 threaded inserts
19″ frame 4 U: This frame is the ideal supplement for control panel enclosures. It can be installed in switch cabinet doors or similar applications. The installation of active components and/or eurocards is possible. The frame is delivered in kit form.
Cover brackets are used for subracks in control panels to overlap the cut-out in a control. They are delivered unmounted.
Illustrative animation movie of the apra- subracks: