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 0,75 - 2,2kW STFI-0007-TB
    £77.16
    Excl. 0% VAT
    £77.16
    Incl. 0% VAT
    • IP20 protection
    • Power: 0,75 - 2,2 kW
    • Current: 7 A
    • Voltage: 400 V
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  2. EMI-Filter 4 - 5,5kW STFI-0016-TB
    EMI-Filter 4 - 5,5kW STFI-0016-TB
    £99.08
    Excl. 0% VAT
    £99.08
    Incl. 0% VAT
    • IP20 protection
    • Power: 4 - 5,5kW
    • Current: 16 A
    • Voltage: 400 V
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  3. EMI Filter IP20
    EMI-Filter 7,5 - 11kW STFI-0030-TB
    £111.35
    Excl. 0% VAT
    £111.35
    Incl. 0% VAT
    • IP20 protection
    • Power: 7,5 - 11 kW
    • Current: 30 A
    • Voltage: 400 V
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  4. EMI Filter IP20
    EMI-Filter 15 - 18kW STFI-0042-TB
    £156.95
    Excl. 0% VAT
    £156.95
    Incl. 0% VAT
    • IP20 protection
    • Power: 15 - 18kW
    • Current: 42 A
    • Voltage: 400 V
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  5. EMI Filter IP20
    EMI-Filter 22kW STFI-0050-TB
    £165.72
    Excl. 0% VAT
    £165.72
    Incl. 0% VAT
    • IP20 protection
    • Power: 22 kW
    • Current: 50 A
    • Voltage: 400 V
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  6. EMI Filter IP20
    EMI-Filter 30kW STFI-0065-TB
    £253.40
    Excl. 0% VAT
    £253.40
    Incl. 0% VAT
    • IP20 protection
    • Power: 30 kW
    • Current: 65 A
    • Voltage: 400 V
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  7. 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
  8. 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
  9. 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
  10. Radio interference filter HLE 310-230/4
    Radio interference filter HLE 310-230/4
    £63.04
    Excl. 0% VAT
    £63.04
    Incl. 0% VAT
    • Rated voltage: 250 Vac
    • Voltage range: 0 - 250 Vac
    • Rated current: 4 A
    • Leakage current (50Hz): <3.00mA
    • Rated frequency: 50 - 60 Hz
    • Overload capacity: 150%, short-term
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  11. Radio interference filter HLE 310-230/8
    Radio interference filter HLE 310-230/8
    £66.55
    Excl. 0% VAT
    £66.55
    Incl. 0% VAT
    • Rated voltage: 250 Vac
    • Voltage range: 0 - 250 Vac
    • Rated current: 4 A
    • Leakage current (50Hz): <3.00mA
    • Rated frequency: 50 - 60 Hz
    • Overload capacity: 150%, short-term
    Learn More
  12. Radio interference filter HLE 310-230/16
    Radio interference filter HLE 310-230/16
    £84.09
    Excl. 0% VAT
    £84.09
    Incl. 0% VAT
    • Rated voltage: 250 Vac
    • Voltage range: 0 - 250 Vac
    • Rated current: 16 A
    • Leakage current (50Hz): <3.00mA
    • Rated frequency: 50 - 60 Hz
    • Overload capacity: 150%, short-term
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  13. EMI Input Filter 2.2 - 4 KW
    EMI Input Filter STI 2.2 - 4 kW 690V
    £158.70
    Excl. 0% VAT
    £158.70
    Incl. 0% VAT
    • Power: 2.2 - 4 kW
    • Current: 10 A
    • Voltage: 690V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
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