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Products
Power Line EMC Filters

Power Line EMC Filters

Power Line EMC Filters Overview

TERMINOLOGY RFI: Radio Frequency Interference.Traditionally considered to cover the radio spectrum 150kHz – 300MHz. EMI: Electro Magnetic Interference.A more modern term to cover typically 10kHz – 10GHz. EMC: Electro Magnetic Compatibility.The ability of equipments and systems to function as designed in an electromagnetic environment. EMP/NEMP/HEMP: […]
Standard Performance EMC Filter Range

Standard Performance EMI filters for electrical connection to SP&N and TP&N mains distribution systems. The filters offer attenuation against electromagnetic noise present on the power lines between the ranges of 100kHz to 18GHz to 100dB. The supply should have a balanced return current and the […]
Extended Performance EMC Filter Range

Extended Performance EMI filters for electrical connection to SP&N and TP&N mains distribution systems. The filters offer attenuation against electromagnetic noise present on the power lines between the ranges of 10kHz to 40GHz to 100dB. The supply should have a balanced return current and the […]
Low Leakage Standard Performance Filter Range

Low Leakage Standard Performance EMI filters for electrical connection to SP&N and TP&N mains distribution systems. The filters offer attenuation against electromagnetic noise present on the power lines between the ranges of 100kHz to 18GHz to 100dB. This range of filters has been designed with […]
Low Leakage Extended Performance Filter Range

Low Leakage Standard Performance EMI filters for electrical connection to SP&N and TP&N mains distribution systems. The filters offer attenuation against electromagnetic noise present on the power lines between the ranges of 10kHz to 40GHz to 100dB. This range of filters has been designed with […]
Ultra Low Leakage Power Filter Range

A high performance range of 2 Phase or SP&N, 3 Phase and TP&N Power Line filters with ultra low line to earth leakage current supporting system/equipment compliance with overarching requirements of NATO TEMPEST SDIP-27 and SDIP-29 standards. They provide high attenuation from 100kHz to 10GHz […]
High Current (Low Leakage) Standard Performance Range

This range of filters has been developed for use on high current three phase and neutral mains supplies. These filters employ MPE’s proprietary feedthrough filter design incorporating current compensating inductors to provide very low losses and heat dissipation, hence low running costs. Insertion Loss Performance […]
High Current Extended Performance Range

This range of filters has been developed for use on high current three phase and neutral mains supplies. These filters employ MPE’s proprietary feedthrough filter design incorporating current compensating inductors to provide very low losses and heat dissipation, hence low running costs. Insertion Loss Performance […]
Single Line DC Filter Range – Rectangular

Single line DC power line filters packaged in a rectangular case designed for bulkhead mounting. They are suitable for voltages up to 250VDC. The filters offer 100dB attenuation against electromagnetic noise present on the power lines from a frequency range of 10kHz to 10GHz. Insertion […]
Single Line DC Filter Range – Tubular

Single line DC power line filters packaged in a tubular case designed for bulkhead mounting. The construction style provides high performance filtering in a high packing density. Suitable for voltages up to 250VDC, they are often utilised in military power supplies where their high current […]
Two Line DC Filter Range

Two line DC power line filters feature a combination of feedthrough capacitors with high permeability toroidal current compensating inductors for high performance filtering in a small rectangular case, designed for mounting on a bulkhead. To achieve the full benefits of this design, it is important […]
Single Line AC Filter Range – Tubular

Single line AC power line filters packaged in a tubular case designed for bulkhead mounting. The construction style provides high performance filtering in a high packing density. Suitable for voltages up to 250VAC 50/60Hz, they are often utilised in military power supplies where their high […]
Single Line AC Filter Range – Rectangular

Single line AC power line filters packaged in a rectangular case designed for bulkhead mounting. Suitable for voltages up to 250VAC 50/60Hz, they are particularly suited to high current power and control line applications where the return current has to return via a different route. […]
Two Phase Filter Range

This range of filters was specifically designed to provide optimum high performance filtering on special two line mains supplies where neither line is tied to neutral. They are suitable for voltages up to 250VAC 50/60Hz phase to earth and 440VAC 50/60Hz phase to phase. They […]
Clean Power Filter Range

The Clean Power range of filters for electrical connection to SP&N and TP&N mains distribution systems, are designed for use in industrial applications or EMC installations where very high frequency performance is not required. The filters are housed in a rugged stainless steel rectangular case, […]
400Hz Filter Range

This range of filters has been specifically designed for use on 400Hz systems and utilises capacitors with low loss dielectric material to minimise heat dissipation. By using coupled choke designs, it has been possible to provide a good performance with comparatively low capacitance values and […]
1500VDC Power Line Filter Range

From screened rooms to industrial power equipment, uncontrolled radio interference presents a common hazard. This range of filters is designed specifically for use on DC supplies up to 1500VDC. These filters have the same robust and reliable construction as MPE’s Power Line AC filter designs […]
Fixing Kits for Power Line Filter Range

Bulkhead Penetration Kits Optional bulkhead penetration kits can be provided for rectangular case style filters. The tube thread size should be chosen to match the pre-pierced end compartment conduit holes. These high-quality bulkhead penetration kits have been designed to provide an RFI tight bulkhead penetration […]
Installation Details

Typical installation details are shown below. Cable Entry Options The following standard cable entry hole positions are available on all rectangular filters with terminal compartments. The required cable entry is simply specified by adding the appropriate suffix to the filter part number as shown below. […]
Installation Filters Applications Notes