Chokes & filters

Mains chokes (commutating reactor), common mode chokes, motor chokes and many more..

With our experience and expertise, we are able to design and manufacture custom-made chokes especially for your application. We have already developed various mains chokes or common mode chokes and delivered them to the satisfaction of our customers. We are also specialised in the field of filter applications, for example in the form of sinusoidal filters. The highly complex requirements in throttle and filter design and dimensioning drive us every day and allow us, together with our customers, to achieve great things.

Below you will find a small extract from our program:

Pulverkerndrossel PKD

Three-phase powder core choke

  • Type: PKD
  • Inductance: 3x 0.3mH
  • Current: 3x 30.0A
  • Nominal frequency: 500-1800Hz
  • Pulse frequency <= 16kHz
  • Duty cycle: S1/100%ED

Application: for filtering or limiting currents


Single phase choke

  • according to DIN/EN61558-2-20
  • standing on foot angles
  • inductance adjustable via additional windings in the range from 46 to 54mH
  • with additional 9 coil control winding
  • connection to min. 500mm long H07Z-K strands 6.0mm², for installation
  • Inductance: 50mH +/-2%
  • Current: 25.0A
  • Nominal frequency: 50Hz
  • Duty cycle: S1/100%ED

Application: in combination with capacitors and rectifiers for pipeline inspection


Three-phase choke

  • according to DIN/EN61558-2-20
  • standing on foot angles
  • connection to touchproof terminals according to DGUV-V3, for installation
  • Inverter voltage: 3x 280V 3x 400V 3x 400V
  • Rated inductance: 3x 0.6mH +/-20
  • Nominal phase current: 3x 127A 3x 108A 3x 78A
  • Nominal basic frequency: 100Hz 400Hz 163Hz
  • Nominal switching frequency: 4kHz
  • Ripple current max (peak to peak): 65A 50A 90A
  • Duty cycle: S1/100%ED
  • Ambient temperature: 40°C
  • Insulation class: F
  • Copper losses: 282W 205W 117W
  • Iron losses: 268W 395W 518W
  • Protection class: IP00
  • Impregnation: impregnating resin
  • Dimensions WxDxH approx.: 290x140x320mm
  • Copper weight: 11.0kg
  • Total weight approx.: 41.5kg

Application: series reactor for synchronous motors


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