EMC/EMI Filter

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EMC/EMI Filter

An EMI filter, or electromagnetic interference filter, is an electronic passive device which is used in order to suppress conducted interference that is present on a signal or power line. EMI filters can be used to suppress interference that is generated by the device or by other equipment in order make a device more immune to electromagnetic interference signals present in the environment. EMC filters reduce the transfer of electromagnetic noise between the drive and mains power supply. All Optidrives are fitted as standard with an internal EMC filter, except where specified by the customer, and for most industrial applications, this will be sufficient. In the event that a higher level of filtering is desired or required, the external EMC filter can be added to either a drive which already has the internal EMC filter, or a drive without EMC filter. Best performance is achieved by using a filtered drive and the appropriate external EMC filter. There are many different kinds of EMI/EMC filters. These filters are in the most common types categorized by type, case size / dimension, impedance, maximum DC resistance, capacitance and rated current. Applications for EMI/EMC Filters: Typical EMI filter applications include: • Data lines • Secondary power supply lines for digital audio / video and communications equipment • Computer motherboards • USB hubs • Printers • Hard disk drives • CD and DVD ROMs • AC adapters • Electronic musical instruments The EMI/EMC products include DC Filters, EMC/EMI Single Phase Filter, Three Phase Filter with neutral line, PCB Filter, Pulse Transformer, Chock and inlet power modulus. Bornika is the exclusive agent of Schaffner and the sales agent of Murrelectronic Companies in the fields of consultation , sales and distribution of power industry products including EMI/EMC products.

Products

Compact filtered power entry module

The FN 280 power entry module combines an IEC inlet, a mains filter with single or dual- fuse holder and a 2-pole rocker switch in a small form factor. Choosing FN 280 product line brings you the rapid availability of a standard filter associated with the necessary safety acceptances. Standard IEC connector filters are a practical solution helping you to pass EMI system approval in a short time. A wide selection on amperage ratings, fuse options, mounting possibilities and filters for medical applications are designed to offer you the desired solution.

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General Purpose EMI Filter

General Purpose EMI Filter produced by Scahffner company are designed for easy and fast chassis mounting. FN 2010 filters are also available as B versions without Y-capacitors for medical applications as well as A version with low capacitance for safety critical applications with necessity for low leakage.

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Multi-stage General Purpose EMI Filter

Multi-stage General Purpose EMI Filter produced by Scahffner company are designed for easy and fast chassis mounting. FN 2010 filters are also available as B versions without Y-capacitors for medical applications as well as A version with low capacitance for safety critical applications with necessity for low leakage.

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Multi stage EMI Filter

Multi stage EMI Filter FN 352Z series is developed to meet high filter attenuation requirements by using multi-stage filter design. Multi stage EMI Filter is component of single phase filters produced by Schaffner company. Additional high surge pulse voltage protection up to 2 kA is integrated to protect sensitive equipment Choosing FN 352Z product line brings you the rapid availability of a standard filter associated with the necessary safety acceptances.

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Common mode Suppression chokes

common mode suppression chokes are mainly used for filter noise on AC power lines. noise on commercial power lines could enter the requirement and disturb the proper function. noise generated by the equipment for example from switch mode power supplies need to be filtered and spread of such generated noise need to be suppressed. common mode suppression chokes together with line bypass capacitors building an AC EMI suppression filter device.

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IEC C13 Rewireable Connector for individual Power Cord with Locking System

IEC C13 Rewireable Connector produced by Schaffner company is versatile with IEC standards and it is suitable for EMC/EMI filters. The locking system has a tensile force of typical 300N. It is recommended to use it with flange mount filters.

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Schaffner Saturating Chokes

RI saturating type chokes change impedance at the moment of switching, and can be used to attenuate differential-mode noise or symmetrical interference as generated in fast switching high current applications. These chokes are typically used in conjunction with suppression capacitors. For optimum attenuation chokes must be connected as close as possible to the semiconductor switching device .

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AC Feedthrough Capacitor

Feedthrough capacitors offer a high insertion loss across a broad band of frequencies from a few tens of kHz up to the GHz region. The construction of feedthrough capacitors cause a better suppression performance over a much wider frequency range than a conventional two-wire capacitor of equivalent value. Different versions are available offering a wide selection on operating currents and performance levels. AC feedthrough capacitors are designed and approved for up to 300 VAC 50/60 Hz operation.

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AC Feedthrough Filter

Feedthrough filters offer a high insertion loss across a broad band of frequencies from a few tens of kHz up to the GHz region. In general, feedthrough filters offer a higher level of EMI suppression than feedthrough capacitors of the same current rating. This is particularly relevant to applications where source impedance is smaller than 50Ω. Different versions are available offering a wide selection on operating currents and performance levels. AC feedthrough filters are designed and approved for up to 300 VAC 50/60 Hz operation.

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EMC-filter 4×440 V AC

EMC-filter 4×440 V AC, with 4×440 VAC operating voltage and neutral is available in 3A to 20A current ranges.

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EMC-filter 3x600 VAC

EMC-filter 3x600 VAC, with 3×600 VAC operating voltage without neutral is available in 8A to 180A current ranges.

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DC Feedthrough Filter

DC Feedthrough filters offer a high insertion loss across a broad band of frequencies from a few tens of kHz up to the GHz region. In general, feedthrough filters offer a higher level of EMI suppression than feedthrough capacitors of the same current rating. This is particularly relevant to applications where source impedance is smaller than 50Ω. Different versions are available offering a wide selection on operating currents and performance levels. AC feedthrough filters are designed and approved for up to130VDC / 130 VAC 50/60 Hz operation.

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