EMC / EMI / RFI Filters
GD Rectifiers stock Enerdoor's complete range of EMC Filters, designed to reduce the transfer of electromagnetic noise between the drive and mains power supply.
They design an extensive range of filters, including the following: Custom Filter, Single Phase RFI Filter Models, Three Phase RFI Filter Models, Three Phase Plus Neutral, Parallel Filter, DC Filter and Military Filters.
Typical Applications
Used in data lines, secondary power supply lines for digital audio/video, computer motherboards, USB hubs, printers, hard disk drives, CD/DVD ROMs, AC adapters and electronic musical instruments.
Custom Filters
Eichhoff Elektro can design and build custom filters for most applications. To discuss technical capabilities please contact .(JavaScript must be enabled to view this email address) / 01444 243 452.
Single Phase RFI Filter Models
The single-phase filter series offers a current range from 1 to 100A with nominal voltage up to 690 Vac. These filters guarantee high attenuation with compact mechanical dimensions. Available with various connections such as: IEC plugs, fastons, terminal blocks, cables, and screws. Additional DIN rail mounting provides fast and easy installation into the enclosure. For all models, a dedicated low leakage current solution is available for medical applications.
| Part No. | Phase | Rated Currents | Nominal Voltage | Characteristics |
| FIN21 | Single Phase | 3 - 20A | 250 Vac | DIN rail mounting, available for medical applications |
| FIN26 | Single Phase | 3 - 20A | 250 Vac | DIN rail mounting, high differential and common-mode accenuation, available for medical applications |
| FIN27 | Single Phase | 3 - 20A | 250 Vac | DIN rail mounting, high differential and common-mode accenuation, available for medical applications |
| FIN33 | Single Phase | 3 - 75A | 250 Vac | Compact housing, high differential and common-mode accenuation |
| FIN35 | Single Phase | 5 - 24A | 250 Vac | High differential and common-mode accentuation |
| FIN40 | Single Phase | 5 - 24A | 250 Vac | High differential and common-mode accenuation |
| FIN50 | Single Phase | 3 - 24A | 250 Vac | Very high differential and common-mode accenuation |
| FIN60 | Single Phase | 1 - 6A | 250 Vac | IEC inlet filters |
| FIN70 | Single Phase | 1 - 6A | 250 Vac | IEC inlet filters, available in single or dual fuse |
| FIN80 | Single Phase | 1 - 10A | 250 Vac | IEC inlet filters, available in single or dual fuse, available with main switch |
Three Phase EMI Filter Models
The three-phase filter series offers a current range from 1 to 3000A with nominal voltage up to 690 Vac. This series is one of the largest and most complete for solutions in the industrial automation industry. These filters provide high attenuation in a compact case with low leakage currents and are suitable for several industries.
Available with terminal block, cable, screw and busbar connections and with finger safe protection for screw and bus bar options. DIN rail mounting provides fast and easy installation into the enclosure. Enerdoor offers solutions in traditional TN and TNS networks and in specific applications such as IT power line configurations. Customised voltage, current, connection, and attenuation solutions are available to satisfy various application needs.
| Part No. | Phase | Rated Currents | Nominal Voltage | Characteristics |
| FIN1351 | Three Phase | 6 - 16A | 480 Vac | Very compact housing, DIN rail mounting |
| FIN538 | Three Phase | 3 - 30A | 480 Vac | High differential and common-mode attenuation, DIN rail mounting |
| FIN538S | Three Phase | 3 - 180A | 600 Vac | High differential and common-mode attenuation |
| FIN538S1 | Three Phase | 3 - 2500A | 600 Vac | Very high differential and common-mode attenuation, Ideal to comply with EN61000-6-4 |
| FIN539S | Three Phase | 400 - 2500a | 600 Vac | High differential and common-mode attenuation, high performance in compact case, Ideal to comply with EN61000-6-4 |
| FIN1200/FIN1200HV | Three Phase | 5 - 2000A | 480 Vac (HV version 600 Vac) | Very low leakage current (<3mA) |
| FIN1200HHV | Three Phase | 16 - 2500A | 750 Vac | Very low leakage current (<3mA) |
| FIN1500/FIN1500HV | Three Phase | 5 - 3000A | 480 Vac (HV version 600 Vac) | Very high accentuation low frequency range, Ideal to comply with EN61000-6-2, EN61000-6-4 & FCC part 15 (class A & B) |
| FIN1600 | Three Phase | 7 - 200A | 480 Vac | High differential and common-mode accenuation |
| FIN1700/FIN1700G | Three Phase | 6 - 200A | 600 Vac | Very high accenuation low frequency (G version), very low leakage current (<3mA) |
| FIN1700E/FIN1700EG | Three Phase | 7 - 230A | 500 Vac | Compact case, very high accenuation low frequency (G version), very low leakage current (<3mA), available L and 0 version with low leakage <0.5mA and no leakage current |
| FIN1700IT | Three Phase | 6 - 200A | 600 Vac (up to 690 Vac) | IT network application |
| FIN1900/FIN1900G | Three Phase | 6 - 200A | 600 Vac | Very high accenuation low frequency (G version), very high differential and common-mode accenuation, very low leakage (<3mA) |
| FIN1900E/FIN1900EG | Three Phase | 7 - 230A | 500 Vac | Compact case, very high accenuation low frequency (G version) |
| FIN1900S | Three Phase | 42 - 200A | 600 Vac | Excellent high differential and common-mode accenuation from 50KHz to 30MHz |
| FIN3755 | Three Phase | 7 - 100A | 480 Vac | Very compact case |
Three Phase Plus Neutral Filters
Eichhoff’s three-phase plus neutral filter series offers a current range from 1 to 2000A with nominal voltages up to 600 Vac. This series provides high attenuation in a compact case with low leakage current and is suitable for several industries. Available with terminal block, cable, screw and bus bar connections and with finger safe protection for screw and bus bar options. DIN rail mounting provides fast and easy installation into the enclosure. Customised voltage, current, connection, and attenuation solutions are available to satisfy various application needs.
| Part No. | Phase | Rated Currents | Nominal Voltage | Characteristics |
| FIN15 | Three Phase Plus Neutral | 3 - 20A | 480 Vac | Compact case, DIN rail mounting |
| FIN1240 | Three Phase Plus Neutral | 5 - 2000A | 480 Vac | Very high differential and common-mode accenuation, high performance in low frequency range |
| FIN1740 | Three Phase Plus Neutral | 3 - 200A | 600 Vac | High differential and common-mode accenuation |
| FIN1740ESM | Three Phase Plus Neutral | 10 -180A | 500 Vac | Compact case, very low leakage, available L and 0 version low leakage current <0.5mA and no leakage current |
| FIN1940 | Three Phase Plus Neutral | 3 - 200A | 600 Vac | Very high differential and common-mode accenuation |
Parallel Filters
The parallel filter series is a unique solution available with nominal voltage up to 750 Vac and handles any current level due to the parallel nature. These filters are available in 3-phase and 3-phase plus neutral, are UL recognised and feature DIN rail mounting allowing for fast and easy installation. Parallel filters provide high attenuation in the frequency range of 10 KHz to 5 MHz thus providing a solution for applications with low frequency problems. When used in conjunction with an Enerdoor filter series, this combination ensures RF protection for equipment in any environment.
The FIN730 and FIN740 filters reduce EMI interference in the 30 kHz to 10 MHz frequency range. The FIN230 filter has a resonance frequency of 150 kHz and provides a large interference reduction in the frequency range between 50 kHz and 5 MHz. Enerdoor parallel filters provide protection for variable frequency drives, SCR, controllers, and other electric equipment.
| Part No. | Phase | Nominal Voltage | Characteristics |
| FIN130SP.001.M | Three Phase | 600 Vac | Compact housing, high differential common-mode accenuation in low frequency range (50KHz - 5MHz), DIN rail mounting |
| FIN230SP.001.M | Three Phase | 600 Vac | Compact housing, very high differential common-mode accenuation in low frequency range (50KHz - 5MHz), DIN rail mounting |
| FIN730.001.M | Three Phase | 750 Vac | Compact housing, very high differential common-mode accenuation in low frequency range (100KHz - 10MHz), DIN rail mounting |
| FIN730.001.MLCP | Three Phase | 480 Vac | Compact housing, very high differential common-mode accenuation in low frequency range (100KHz - 10MHz), DIN rail mounting |
| FIN730.002.MC | Three Phase | 600 Vac | Compact housing, very high differential common-mode accenuation in low frequency range (100KHz - 10MHz), DIN rail mounting |
| FIN735.001.M | Three Phase | 650 Vac | Compact housing, very high differential common-mode accenuation in low frequency range (10KHz - 10MHz), DIN rail mounting |
| FIN740.068.M | Three Phase Plus | 480 Vac | Compact housing, very high differential common-mode accenuation in low frequency range (100KHz - 10 MHz), DIN rail mounting |
DC Filters
DC Filters were designed specifically for the photovoltaic industry and offer a current range from 5 to 3000A with nominal voltage up to 1000 VDC. The FIN1220 and FIN1520 models, installed between PV inverters and solar panels, reduce EMI interference in the DC power line. The FIN1220.0V and FIN1520.0V models offer the possibility of ground connections separated from the virtual zero point. This is particularly useful for critical networks on the protective earth conductor. Custom DC filters are available upon request, contact GD Rectifiers for more information.
| Part No. | Rated Current | Nominal Voltage | Characteristics |
| FIN1220 | 16 - 2500A | 1200 Vdc | Helps to protect solar panels, reduces EMI radiation, high differential and common-mode attenuation |
| FIN1220.0V | 16 - 2500A | 1200 Vdc | OV insulated by the enclosure, helps to protect solar panels, reduces EMI radiation, high differential common-mode accenuation |
| FIN1520 | 16 - 2500A | 1200 Vdc | Helps to protect solar panels, reduces EMI radiation, very high differential common-mode accenuation |
| FIN1520.0V | 16 - 2500A | 1200 Vdc | OV insulated by the enclosure, helps to protect solar panels, reduced EMI radiation, very high differential common-mode accenuation |
Medical & Military Filters
The medical filter series is designed to achieve a high level of shielding on protected environments. All models are characterized by high levels of attenuation above 100 dB. For each application, there are models suitable for filtering supply lines from 50 and 60 Hz from single phase to three phase, with currents up to hundreds of amps. Additionally, filters for signal lines such as remote controls, lines connecting sound, video, telephony and digital signals are available.
Filters for Military Applications - 10KHz - 10GHz
Filters for Medical Applications - 5MHz - 5GHz
Filters for Applications Scientific and Industrial Laboratories, for example measuring 100KHz - 10GHz
| Part No. | Type | Rated Currents | Nominal Voltage | Characteristics |
| ENC201 Fire Alarm Filter | Fire Alarm Filter | 1A | 120 Vac | 100dB at 14KHz, 100dB at 1GHz |
| ENR205 RF Power Line Filter | RF Power Line Filter | 5A | 277 Vac | 100dB at 10MHz, 100dB at 1GHz |
| ENR230 RF Power Line Filter | RF Power Line Filter | 30A | 277 Vac | 100dB at 10MHz, 100dB at 1GHz |
| ENT205 Telephone Filter | Telephone Filter for Medical Shielded Enclosures | 2A | 120 Vac |
100dB at 10MHz, 100dB at 1GHz
|
For further information on EMI, EMC or RFI Filters please call: 01444 243 452 or email: .(JavaScript must be enabled to view this email address).
Eichhoff Elektro
Eichhoff Elektro manufactures safety transformers and electronic ignition systems for gas.
Eichhoff Elektro joined the Enerdoor Group in 2011 which consists of Enerdoor in North America and Europe, Finmotor and Finlab in Italy and Eichhoff Elektro in Hungary.
Further information:
You can find further information on Eichhoff Elektro using the following links:
Tel: 01444 243 452
Fax: 01444 870 722
Email: enquiries@gdrectifiers.co.uk