Housing For Air Guidance; Motor Connection Cover - Siemens Sinamics S120 Manual

Cabinet design and EMC
8.3 Cabinet installation, vertical and horizontal installation
8.3.4

Housing for air guidance

The fan(s) can suck the air out of the device only if air cannot be sucked in between the
device and the fan. A housing (enclosure/partition) must therefore be provided between the
fan and the device.
8.3.5

Motor connection cover

The motor connection on a horizontally mounted module must be covered. This cover must
be perforated. The perforations should have an opening area of 8 x 30 mm with a perforation
spacing of 3 to 5 mm.
Figure 8-9 Example of a protective cover for the motor connection
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Liquid-cooled chassis power units
Manual, (GH7), 11/2016, 6SL3097-4AM00-0BP7