Siemens SINAMICS S120 Manual page 65

Air-cooled chassis power units

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Malfunctions through magnetic fields

Reactors produce magnetic fields that can disturb or damage components and cables.

• Arrange the components and cables at a suitable distance (at least 200 mm) or shield the

magnetic fields appropriately.

Length of connection cables

The connection cables between line reactor and Line Module, as well as between line reactor

and line filter, must be kept as short as possible (max. 5 m).

You must use shielded connection cables, whose cable shields are attached at both ends.

Shielding can only be omitted if the following conditions are met:

• The cables do not exceed 1 m in length.

• The cables are laid flush with the rear metal wall of the control cabinet.

• The cables are laid in a way that keeps them physically separate from signal cables.

Do not route any cables near the line reactor. If this cannot be avoided, observe a minimum

distance of 200 mm.

Air-cooled chassis power units

Equipment Manual, 06/2020, 6SL3097-5AE00-0BP3

Line-side power components

4.4 Line reactors for Basic Line Modules