band-pass electronic filter / active / sine wave / motor
SFA 400 series Block Transformatoren-Elektronik



  • Bandwidth:


  • Type:


  • Other characteristics:

    sine wave, motor

  • Current:

    Max.: 60 A

    Min.: 1.3 A

  • Voltage:

    400 V

  • Frequency:

    60 Hz


General Data
Rated voltage 3 x 400 Vac
Rated current 1.3 ‑ 60 A
for motor rated output 1.5 ‑ 30 kW
for clock frequencies ≥8 kHz
Rated frequency from 0 to 60 Hz
Insulation class H
Maximum ambient temperature 40 °C
Degree of protection IP 20

Prevention of overvoltages on the motor
Long cable lengths possible
Reduction in motor noise
Minimize of bearing currents
Minimize of in leakage currents (is beneficial in the event of incorrect RCD tripping)
Reduction in line‑borne and field‑borne emitted interference: can be omitted from shielded cables, where necessary
Reduction in motor losses

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