Download the Drives catalogue and see information about this and other products.


Harmonic Filter CNW 957

Regenerative harmonics filter (400V/50 Hz)


LCL filters are used especially in regenerative converters (AFE), but also for inverters for renewable energies. The main purpose of this filter is to eliminate the PWM frequencies to protect the supply network.


  • Increases the efficiency of the drive by improving power quality
  • Low losses save high energy costs
  • Compact design and low weight
  • Natural cooling
  • Optional charging resistor

Technical Specifications

  • Rated voltage: 3 x 400V / 50Hz
  • Climatic category: 25/085/21 DIN IEC 68 Part 1
  • Ambient temperature: 40°C
  • Protection rating: IP00
  • Optional: available with charging resistor

Technical specification

Harmonic Filter CNW 957

Suitable for this product