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. 16% VAT
    £89.51
    Incl. 16% VAT
    • IP20 protection
    • Power: 0,75 - 2,2 kW
    • Current: 7 A
    • Voltage: 400 V
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
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  2. EMI-Filter 4 - 5,5kW STFI-0016-TB
    EMI-Filter 4 - 5,5kW STFI-0016-TB
    £99.08
    Excl. 16% VAT
    £114.93
    Incl. 16% VAT
    • IP20 protection
    • Power: 4 - 5,5kW
    • Current: 16 A
    • Voltage: 400 V
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
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  3. EMI Filter IP20
    EMI-Filter 7,5 - 11kW STFI-0030-TB
    £111.35
    Excl. 16% VAT
    £129.17
    Incl. 16% VAT
    • IP20 protection
    • Power: 7,5 - 11 kW
    • Current: 30 A
    • Voltage: 400 V
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
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  4. EMI Filter IP20
    EMI-Filter 15 - 18kW STFI-0042-TB
    £156.95
    Excl. 16% VAT
    £182.06
    Incl. 16% VAT
    • IP20 protection
    • Power: 15 - 18kW
    • Current: 42 A
    • Voltage: 400 V
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
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  5. EMI Filter IP20
    EMI-Filter 22kW STFI-0050-TB
    £165.72
    Excl. 16% VAT
    £192.24
    Incl. 16% VAT
    • IP20 protection
    • Power: 22 kW
    • Current: 50 A
    • Voltage: 400 V
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
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  6. EMI Filter IP20
    EMI-Filter 30kW STFI-0065-TB
    £253.40
    Excl. 16% VAT
    £293.94
    Incl. 16% 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. 16% VAT
    £334.63
    Incl. 16% VAT
    • IP20 protection
    • Power: 37 kW
    • Current: 80 A
    • Voltage: 400 V
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
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  8. EMI Filter IP20
    EMI-Filter 45 - 55kW STFI-0110-TB
    £341.08
    Excl. 16% VAT
    £395.65
    Incl. 16% 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. 16% VAT
    £487.19
    Incl. 16% 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. 16% VAT
    £73.13
    Incl. 16% 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. 16% VAT
    £77.20
    Incl. 16% 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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  12. Radio interference filter HLE 310-230/16
    Radio interference filter HLE 310-230/16
    £84.09
    Excl. 16% VAT
    £97.54
    Incl. 16% 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. 16% VAT
    £184.09
    Incl. 16% VAT
    • Power: 2.2 - 4 kW
    • Current: 10 A
    • Voltage: 690V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
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  14. EMI Input Filter 5.5 - 7.5KW
    EMI Input Filter STI 5.5 - 7.5 kW 690V
    £213.06
    Excl. 16% VAT
    £247.15
    Incl. 16% VAT
    • Power: 5.5 - 7.5 kW
    • Current: 20 A
    • Voltage: 690V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
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  15. EMI Input Filter 11 - 15KW
    EMI Input Filter STI 11-15 kW 690V
    £257.78
    Excl. 16% VAT
    £299.02
    Incl. 16% VAT
    • Power: 11 - 15 kW
    • Current: 36 A
    • Voltage: 690V 3-phase
    • Reduces Voltagepeaks
    • Category: C2
    • Attenuates electromagnetic radiation

     

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  16. EMI Input Filter 18.5 - 22KW
    EMI Input Filter STI 18.5-22 kW 690V
    £321.79
    Excl. 16% VAT
    £373.28
    Incl. 16% VAT
    • Power: 18.5 - 22 kW
    • Current: 50 A
    • Voltage: 690V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
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  17. EMI Input Filter 30KW
    EMI Input Filter STI 30 kW 690V
    £475.23
    Excl. 16% VAT
    £551.27
    Incl. 16% VAT
    • Power: 30 kW
    • Current: 65 A
    • Voltage: 690V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
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  18. EMI Input Filter 37KW
    EMI Input Filter STI 37 kW 690V
    £604.12
    Excl. 16% VAT
    £700.78
    Incl. 16% VAT
    • Power: 37 kW
    • Current: 80 A
    • Voltage: 690V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
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  19. EMI Input Filter 55-75KW
    EMI Input Filter STI 55-75 kW 690V
    £875.92
    Excl. 16% VAT
    £1,016.07
    Incl. 16% VAT
    • Power: 55-75 kW
    • Current: 150 A
    • Voltage: 690V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
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  20. EMI Input Filter 93KW
    EMI Input Filter STI 90 kW 690V
    £1,016.21
    Excl. 16% VAT
    £1,178.80
    Incl. 16% VAT
    • Power: 90 kW
    • Current: 200 A
    • Voltage: 690V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
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  21. EMI Input Filter 110-132KW
    EMI Input Filter STI 110-132 kW 690V
    £1,279.25
    Excl. 16% VAT
    £1,483.93
    Incl. 16% VAT
    • Power: 110-132 kW
    • Current: 250 A
    • Voltage: 690V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  22. EMI Input Filter 160KW
    EMI Input Filter STI 160 kW 690V
    £1,366.93
    Excl. 16% VAT
    £1,585.64
    Incl. 16% VAT
    • Power: 160 kW
    • Current: 300 A
    • Voltage: 690V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  23. EMI Input Filter 200kW
    EMI Input Filter STI 200 kW 690V
    £1,454.61
    Excl. 16% VAT
    £1,687.35
    Incl. 16% VAT
    • Power: 200 kW
    • Current: 400 A
    • Voltage: 690V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
    Learn More
  24. EMI Input Filter 215-250KW
    EMI Input Filter STI 215-250 kW 690V
    £1,840.40
    Excl. 16% VAT
    £2,134.86
    Incl. 16% VAT
    • Power: 215-250 kW
    • Current: 600 A
    • Voltage: 690V 3-phase
    • Category: C2
    • Reduces Voltagepeaks
    • Attenuates electromagnetic radiation
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  25. Radio interference suppression filter HLD 310-500/130
    Radio interference suppression filter HLD 310-500/130
    £403.24
    Excl. 16% VAT
    £467.76
    Incl. 16% VAT
    • Rated voltage: 3 x 520 Vac
    • Voltage range: 0 - 3 x 520 Vac
    • Rated current: 3 x 130 A
    • Leakage current (50 Hz)*: < 0.40 mA
    • Leakage current (50 Hz)**: < 3.50 mA
    • Power loss: 90.0 W
    • Overrating Capacity: 150% shortly
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