Siemens SINAMICS V20 Operating Instructions Manual page 374

Options and spare parts
B.1 Options
Installation
For three phase AC 400 V converters FSA to FSD and single phase AC 230 V converters
FSAC to FSC
The resistors can be installed in a vertical or horizontal position and secured to a heat
resistant surface. The required minimum clearance distances are shown below:
For single phase AC 230 V converters FSAA to FSAB and three phase AC 400 V converter
FSE
The resistors must be installed in a vertical position and secured to a heat resistant surface.
At least 100 mm must be left above, below and to the side of the resistor to allow an
unimpeded airflow.
372
SINAMICS V20 Converter
Operating Instructions, 10/2019, A5E34559884-012