Siemens Sinamics G120 Hardware Installation Manual page 76

Technical data
7.7 Electromagnetic compatibility of variable-speed drives
With the external filters, from Section
integrated filter comply with the requirements of the second environment, Category C2
with reference to interference emission.
If you use inverters without integrated filter or a filter other than those mentioned above,
then you are responsible for verifying that the interference emission is limited.
You can use a dedicated radio interference suppression filter for each inverter - or a
common filter for several inverters.
Interference emission - operation in the second environment, Category C4
When connected to IT line supplies, only filtered inverters are permissible. Use external
filters without capacitors with respect to ground to limit symmetrical interference emission.
When necessary, contact one of our Solution Partners
(https://www.automation.siemens.com/solutionpartner/partnerfinder/Home/Index?country=D
E&program=1&technology=19&lang=en).
76
Line filter (Page 88), the inverters without
Hardware Installation Manual, 07/2016, A5E36985441C AA
Power Modules PM240