EFB-Elektronik 19-Inch Profile Rails 12U, Set of 2, Rear 19-Inch Mounting Level for EFB Wall Cabinets, Zinc-Plated Steel

The EFB-Elektronik 691776.12 is a set of two 12U 19-inch profile rails that adds a second, rear 19-inch mounting level to EFB one-part and two-part wall cabinets, for installers who need to support long devices at the back as well as the front.

Most wall cabinets ship with a single pair of front 19-inch rails. That is enough for patch panels and light switches, but a deeper switch, a small server, a UPS or a shelf loaded from the front only is left hanging on two points. Adding a rear rail pair turns the cabinet into a four-point mounting frame, so rails, fixed shelves and rack kits that need front and rear fixing can be used properly.

• 2 x 19-inch profile rails, 12U
• Mounting hardware for fixing the rails in the cabinet

• You get a real rear 19-inch plane, so equipment with rear brackets and four-point shelves can be installed instead of hanging from the front only.
• Rails are screw-fixed at defined positions rather than sliding freely, so the rear plane stays square once installed.
• Plan the rail position before installing heavy devices — moving the rear plane later means emptying that section of the cabinet.

• Cabinets that are not 12U: the rails are made in fixed heights (EFB also offers 4U to 21U versions), so a 12U set will not fit a 9U or 15U cabinet.
• Floor-standing 42U or 47U server cabinets — this set is designed for EFB wall cabinets.
• Stepless depth adjustment: the fixing is not stepless, so the rear plane sits at the positions provided by the cabinet frame.
• Cage nuts for your devices are not part of the set — they are ordered separately in the M5 or M6 size your equipment uses.