EMI Filter

Electromagnetic interference (EMI) is a disturbance that affects an electrical circuit and electric devices. The EMI can cause a malfunction of the device or the circuit. EMI Filters can protect your devices from EMI and guarantee a proper functionality. EMI filters are used for digital processing systems, telecommunication systems and for power converter applications. The Sourcetronic Three-phase EMI Filters are based on a state-of-the-art filter concept with a minimized volume to ensure an easy installation. The filter modules can be used with AC-Drives ranging from 0.75KW up to 630KW with currents from 5A up to 1200A and work properly in area temperatures from -25°C up to 85°C.
The functionality of a frequency inverter is achieved by pulsing a DC voltage. There is a basic wave and many upper waves. They can unintentionally unite in different devices, systems and systems in various ways.

In addition, a frequency converter generates high frequency electromagnetic waves. These can spread in the room and unintentionally interfere with the wavelength in equipment and lines and lead to a malfunction. Energized interference voltages from the mains are a problem for many frequency converters. However, electrical and electronic apparatus and systems in the vicinity of a frequency converter are also impaired by its emitted interference. In both cases, an EMI line filter is provided at the power supply input. Such a filter suppresses the energetic interference voltages from the network. First, the mains choke, which is integrated in the EMI line filter, reduces the low-frequency noise. Other components, which are integrated in the EMI line filter, filter out the high-frequency interference.

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  1. EMI Filter IP20
    EMI-Filter 37kW STFI-0080-TB
    £288.47
    Excl. 0% VAT
    £288.47
    Incl. 0% VAT
    • IP20 protection
    • Power: 37 kW
    • Current: 80 A
    • Voltage: 400 V
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  2. EMI Filter IP20
    EMI-Filter 45 - 55kW STFI-0110-TB
    £341.08
    Excl. 0% VAT
    £341.08
    Incl. 0% VAT
    • IP20 protection
    • Power: 45 - 55kW
    • Current: 110 A
    • Voltage: 400 V
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  3. IP 20 EMI Filter
    EMI-Filter 75kW STFI-0150-TB
    £419.99
    Excl. 0% VAT
    £419.99
    Incl. 0% VAT
    • IP20 protection
    • Power: 75 kW
    • Current: 150 A
    • Voltage: 400 V
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  4. EMI Input Filter 37KW
    EMI Input Filter STI 37 kW 690V
    £604.12
    Excl. 0% VAT
    £604.12
    Incl. 0% VAT
    • Power: 37 kW
    • Current: 80 A
    • Voltage: 690V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  5. EMI Input Filter 55-75KW
    EMI Input Filter STI 55-75 kW 690V
    £875.92
    Excl. 0% VAT
    £875.92
    Incl. 0% VAT
    • Power: 55-75 kW
    • Current: 150 A
    • Voltage: 690V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  6. EMI Input Filter 93KW
    EMI Input Filter STI 90 kW 690V
    £1,016.21
    Excl. 0% VAT
    £1,016.21
    Incl. 0% VAT
    • Power: 90 kW
    • Current: 200 A
    • Voltage: 690V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  7. EMI Input Filter 110-132KW
    EMI Input Filter STI 110-132 kW 690V
    £1,279.25
    Excl. 0% VAT
    £1,279.25
    Incl. 0% VAT
    • Power: 110-132 kW
    • Current: 250 A
    • Voltage: 690V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  8. EMI Input Filter 160KW
    EMI Input Filter STI 160 kW 690V
    £1,366.93
    Excl. 0% VAT
    £1,366.93
    Incl. 0% VAT
    • Power: 160 kW
    • Current: 300 A
    • Voltage: 690V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  9. EMI Input Filter 55-75KW
    EMI Input Filter STI 55 - 75 kW
    £310.39
    Excl. 0% VAT
    £310.39
    Incl. 0% VAT
    • Power: 55-75 kW
    • Current: 150 A
    • Voltage: 400 V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  10. EMI Input Filter 160KW
    EMI Input Filter STI 160 kW
    £516.44
    Excl. 0% VAT
    £516.44
    Incl. 0% VAT
    • Power: 160 kW
    • Current: 300 A
    • Voltage: 400 V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  11. EMI Input Filter 37KW
    EMI Input Filter STI 37 kW
    £192.02
    Excl. 0% VAT
    £192.02
    Incl. 0% VAT
    • Power: 37 kW
    • Current: 80 A
    • Voltage: 400 V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  12. Sine Wave Filter
    Sine Wave Filter 45kW STSF-0120-EM52
    £1,182.80
    Excl. 0% VAT
    £1,182.80
    Incl. 0% VAT
    • Power: 45 kW
    • Current: 120 A
    • Voltage: 400 V
    • Provides a sine-wave ouput voltage
    Learn More
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