Page 9 - Industrial Technology EXTRA 22nd February 2021

that the issued protection class remains intact. connections of current conductors. A frequently
Variants that can be made on this: a profile for cable used method is to fix the cables with cable clamps.
entry between bottom plates (symmetrical) or These are available in different designs and sizes,
between enclosure frame and bottom plates (rear). which allows the use of a universal profile.
Cable glands, modular cable glands or connector
glands are also used for the AX wall and floor Cable support and rails
cabinets. The basic requirement is the same: Also consider the slide rail for the mounting plate
maintaining the protection class. with the VX25 extension unit. When the plate is in
For machines with cable tray systems it is its final position, these rails are, in principle,
advisable to apply additional edge protection over unnecessary.
the parts where cables are pulled with a plastic Nevertheless, due to the C-shape of the system
protective edge, grommet or rounding. Simply chassis, they can be used for cable fixation with
deburring sheet metal edges is often not sufficient to clamps for C-rails. These cable clamps are of course
prevent damage to the sheaths of lead-through provided with a plastic part, to protect the cables
cables. from damage.
The bottom plates of the VX25 are double- Cable fixings can also be placed in mounting
folded and have a rounded edge. This prevents a rails. Cable ties are very useful for quickly securing
cable from being damaged when being fed-in from cables to system chassis, mounting rails and
below. In addition, these plates are extra sturdy and profiles to the cabinet frame of the VX25. These
resistant to bending, making a substantial cable ties are easy to press into the round system
contribution to the protection class. bore, after which it is a matter of bending and
Finally, attention must be made to the securing the cable. The cable tie is also suitable for
connections of cables. They must be sufficiently securing cables in the cable hose holder.
supported to prevent mechanical stress on the www.rittal.co.uk

The new one: the AX/the KX.

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