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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.


  • available in differtent heights
  • frames: 3 / 4 / 6 U
  • 4U: installation depth 126 mm; installation of eurocards (100 mm x 100 mm)
  • cover brackets: 15 x 15 x 2 mm

Illustrative animation movie of the apra- subracks: