Spare parts and accessories 
  8.2 Optional accessories 
PM250 Power Module 
Hardware Installation Manual, 01/2016, A5E36265179B-AA 
71 
 
With a line filter, the inverter can achieve a higher radio interference class.  
The line filters integrated in the inverter correspond to Class A according to EN55011. 
The filters are available for radio interference suppression class A or B according to 
EN55011. Details are provided in the following tables. 
 
The line filter is damaged when operated on inadmissible line supplies 
The line filter is only suitable for operation on TN or TT line systems with a grounded 
neutral point. The line filter is damaged if operated on all other line supplies.  
•  For inverters equipped with line filter, only connect to TN or TT line systems with a 
grounded neutral point. 
Dimensions and drilling patterns  
 
Image 8-1  FSC dimensions 
 
Image 8-2  Mounting position FSC