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Electromagnetic interference elimination solutions: EMI filters

Concurrent with the rapid growth of devices that utilize digital techniques, the problems of Electro-Magnetic interference (EMI) are becoming more severe. Electromagnetic interference filters, popularly called as EMI filters, are just what you need to reduce interference generated by the device or by other devices present near for a clearer signal.​

Our partners for EMI filters are leading global suppliers Delta Electronics and Enjoye Electronic. They offer EMI filters with varied voltage range, single phase 115/250 V, 3 Phase 520 V and up to 600 A maximum rated current. Different kinds of connection are also available. Our EMI filter can solve the EMC problem effectively, shorten the design cycle time and provide reliable EMC solutions. 

You can read more about what EMI filters are and how they work in the news item EMI filters for high-reliability applications.

How to choose the right EMI filter?

(for designers of electrical or electronic devices)

When choosing EMI filters, we decide based on several parameters:

Housing size

Housing size

Resistance

Insulation resistance

I-O connection

I/0 connectors

Penetrative voltage

Breakthrough voltage

Installation

Mounting method

Puls

Pulse or peak attenuation at high voltage

Safety standards

Compliance with international safety standards

Operating temperature

Operating temperature

Voltage

Nominal voltage

DC resistance

One-way resistance

Current

Nominal current

Loss

Loss

Runaway current

Leakage current

Medical filters

Leakage current and breakdown voltage are important parameters for medical filters.

The perfect selection of EMI filters against electromagnetic interference

Nexum offers a wide range of EMI filters that give your devices electromagnetic capability (EMC). Our offer includes 1-phase or 3-phase main filters, main filters with IEC socket, power entry filters and chassis mounting filters. We also offer quality medical network filters.

EMI filters in our offer comply with international safety standards, are reliable and of high quality, as they comply with the EN 60939-2 standard and operate in the temperature range between -25 °C and 100 °C. All filters are equipped with UL and CSA marks, and more that 300 models in offer are equipped with the VDE mark and are approved under the numbers: VDE 11641-4730, UL E79109 and CSA LR48852C.

 

EMI filters are suitable for use in the following areas:

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Medicine

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LED signalisation and LED

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IT communications

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Measuring technology

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Smart home installations

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E-mobility

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Automatization

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Transport systems (railways, vessels)

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Electrical and electronic equipment manufacture

We work with a variety of manufacturers who are our direct partners: Delta Electronics, XP Power in Enjoye Electronic, who are unbeatable in design and experience in the field of network filters.

Za montažo na ogrodje

Chassis mount EMI filters

We offer the widest range of chassis mount EMI filter products ranging from 1 A to 30 A, manufactured by Delta Electronics and Enjoye Electronic. We offer a wide selection of different housings and I/O connection methods (with cable lugs, wired connection or IEC socket). Certain models are also suitable for use in medicine.

Example of an EMI filter with a cable lug

EMI filter with cable lug

Example of an EMI filter with wired connection

EMI filter with wired connection

Example of EMI filter with IEC socket and terminal/wire/screw termination options

EMI filter with IEC socket

Example of a high-quality filter for PCB mounting

High-quality EMI filter

Easy direct PCB mounting, UL, CSA and VDE certified, an option for medical use is also available.

Example of a cylindrical filter with screws and for quick installation

Cylindrical EMI filter

Screw type

Snap type

10 A and 16 A compact cylindrical filter for easy installation, designed for switching power supplies, office equipment and household appliances.

Catalogues and Brochures:

Z IEC vtičnico

IEC inlet EMI filters

Example of screw mounting IEC inlet EMI filter

Screw mounting IEC inlet EMI filter

Example of SNAP-IN IEC inlet EMI filter

SNAP-IN IEC inlet EMI filter

Example of PCB mounting IEC inlet EMI filter

PCB mounting IEC inlet EMI filter

Example of switch/dual-fuse IEC inlet EMI filter

Switch/dual-fuse IEC inlet EMI filter

Catalogues and brochures:

Za tiskana vezja

PCB mounting EMI filters

PCB mounting filters are available with IEC socket or in a classic housing.

Example of a high-quality EMI filter for PCB mounting

EMI filter for PCB mounting

Easy direct PCB mounting, UL, CSA and VDE certified, an option for medical use is also available.

Example of PCB mounting EMI filter

EMI filter for quick PCB mounting

High-quality EMI filters for quick PCB mounting for space-constrained applications. 1 A, 2 A and 2 A filters are available.

Catalogues and brochures:

3-fazni

3-phase EMI filters

We offer a wide selection of high-quality 3-phase EMI filters from 10 A to 50 A, intended for following applications: electric equipment, UPS, machine tool, copy machine, automation equipment, robot, AC motor drive. Different mounting methods, different housing and I/O connections are possible.

Example of screw mounting 3-phase EMI filter

Screw mounting 3-phase EMI filter

Example of 3-phase EMI filter with cable lugs

3-phase EMI filter with cable lugs

Example of DIN rail mounting 3-phase plastic case EMI filter

3-phase plastic case EMI filter

Example of vertical 3-phase EMI filter, 480 VAC and 500 VAC

Vertical 3-phase EMI filter

Example of high current 3-phase EMI filter (from 200 A to 600 A), 480 VAC

High current 3-phase EMI filter

Catalogues and brochures:

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