Customized solutions (custom filters)

Development of customized filtering solutions

For an application optimized solution in terms of radio interference and Immunity many criteria must be observed. For this reason we offer customized filters in addition to our standard solutions which meet most requirements. These were developed based on the applicable standards with regard to electrical and mechanical effects on the handling application. We can measure the compatibility of your device or system on request.

EPA is continually developing new customized filter solutions, both mechanically and electrically optimized and are thus precisely tailored to the application of our customers.

You will find a large part of the overall program of suppression components of EPA on our website . If an EMC problem mechanically or electrically can not be solved with a standard filter, so our customers have a large number of already tested special filters.

So we can offer appropriate solutions also for applications where less mounting space is available or the amount of leakage currents to earth play a significant role (e. g. the use of RCCBs). Mains filters for 690V- and IT networks are available from stock. EPA will advise you in selecting the filter actions for your application!

If you do not own measurement capabilities, you can have the necessary measurements done reliable in our laboratory accomplished by our qualified personnel without long waits.

We will be happy to help you find the best and most cost-effective solution for your application!


Special Filters

  • Current rating 1 – 2500 A
  • Individual filter circuit
  • Special voltage on request
  • Low leakage current
  • Connections via flexes or terminals
  • Mechanical design as requested

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Direct Current Filters

  • Nominal currents from 25 A up to 1000 A
  • Designed for industrial power installations in DC current
  • Principal applications: train, solar and wind energy as well as industrial DC applications
  • Mechanical compact structure with low weight and good thermal dissipation

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Input filters for Power Line Communication (PLC)

  • Applications smart meter, home automation, security systems
  • Reduces interference in the CENELEC EN50065 frequency band (35-95 kHz)
  • Rated current 63 A
  • Rated voltage 250 VAC (110 – 250)
  • Rated operation frequency 50 / 60 Hz
  • Nominal cross section 6 – 16 mm²

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RFI filter for lighting purposes

  • Current ratings from 1 A up to 10 A
  • Attenuation curve optimized to lighting applications
  • Additional differential mode stage
  • Compact plastic case style
  • Fast-on connectors for fast, secure connection

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Main input filters for rail systems

  • Rated currents 50 – 80 A
  • Fast Installation
  • For rail systems up to 60 mm
  • Mains input filter

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RFI filter with SchuKo type male/female connector

  • 115/230V 50/60Hz 16A
  • Extreme low leakage 1,5µA
  • Dimensions: 100x105x57mm
  • 2-stage filter design

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Input filters for mains switches

  • Rated currents 50 – 64 A
  • Fast Installation
  • Main input filter for cabinet
  • Matching mains switch

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Input filters for mains switches

  • Rated currents 250 – 800 A
  • Fast Installation
  • Main input filter for cabinet
  • Matching mains switch

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download » en » Data_Sheets » EMC » Special_Filters
EPA_Special-filters_NF-16-1ph-SchuKoPlus_data-sheet.pdf1.84 M
EPA_Special-filters_NF-16-1ph-SchuKo_data-sheet.pdf240.41 K
EPA_Special-filters_NF-1ph-PLC_data-sheet.pdf2.35 M
EPA_Special-filters_NF-Click-on_data-sheet.pdf3.01 M
EPA_Special-filters_NF-DC_data-sheet.pdf2.07 M
EPA_Special-filters_NF-S_data-sheet.pdf690.26 K
EPA_Special-filters_NF-Switch_data-sheet.pdf3.06 M
download » en » Data_Sheets » EMC » Single_Phase_RFI_Filters
EPA_RFI-filters_NF-1ph-LED_data-sheet.pdf734.33 K