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Siemens SIMATIC RF300 System Manual Page 87

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Filtering of the supply voltage
External interference from the mains can be prevented by installing line filters. Correct
installation is extremely important, in addition to appropriate dimensioning. It is essential that
the line filter is mounted directly at the cabinet inlet. As a result, interference is filtered
promptly at the inlet, and is not conducted through the cabinet.
Figure 4-23
SIMATIC RF300
System Manual, 01/2009, A5E01642529-03
Filtering of the supply voltage
RF300 system planning
4.7 EMC Directives
87

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