Spare parts and accessories   
8.2 Optional accessories 
  PM250 Power Module 
78  Hardware Installation Manual, 01/2016, A5E36265179B-AA 
 
The sine-wave filter at the inverter output limits the voltage rate-of-rise and the peak voltages 
at the motor winding. The maximum permissible length of motor feeder cables is increased 
to 300 m.  
The following applies when using a sine-wave filter: 
●  Operation is only permissible with pulse frequencies from 4 kHz to 8 kHz.  
From 110 kW power rating of the Power Modules (according to the rating plate) only 
4 kHz is permissible. 
●  The inverter power is reduced by 5%. 
●  The maximum output frequency of the inverter is 150 Hz at 380 V to 480 V. 
●  Operation and commissioning may only be performed with the motor connected, as the 
sine-wave filter is not no-load proof. 
●  An output reactor is superfluous. 
Dimensions and drilling patterns  
 
Image 8-8  Dimensions - footprint filter 
Mounting position 
 
Image 8-9  Mounting position - footprint filter