Power Line Filters

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Our Power Line Filter range includes single-phase and three-phase types for industrial, medical and general purpose applications.

A power line filter, also called an EMI power line filter, is a passive bi-directional network, which effectively filters out a particular frequency point in the power line, or passes a selected frequency. Designed to block mains-born electromagnetic interference (EMI), power line filters are frequency-selective two-port networks usually comprising inductors, capacitors, and resistors.

They operate as reflection filters, which provide high series impedance and low parallel impedance in the filter stop band, severely mismatching noise source impedance and load impedance; thus transmitting the undesired frequency components back to the noise source.

Choosing a power line filter

When selecting the power line filter, three main indicators should be considered: firstly, voltage and current, then insertion loss, and finally, size and structure. Since the filter is typically potted, environment is not a primary concern. However, the temperature characteristics of all potting materials and filter capacitors have some influence on the environmental characteristics of the power filter.

Insertion loss is one of the most important technical parameters of an EMI power filter. It should be as high as possible to ensure the safety of the equipment in which the filter is used, and the surrounding environment.

Insertion loss is a function of frequency, expressed in dB. Insertion loss of an EMI power line filter includes common mode (CM) insertion loss and differential mode (DM) insertion loss.

Applications for power line filters

EMI power line filters are used in the following applications:
  1. Household appliances
  2. Military/Aerospace Systems
  3. Medical Equipment
  4. Computers
  5. Energy Management Systems
  6. Automotive Battery Charger
  7. Industrial Equipment
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80KESS10BFPW
80KESS10BFPW - Power Line Filter, General Purpose, 520 VAC, 80 A, Three Phase, 1 Stage, Chassis Mount

3586164

Power Line Filter, General Purpose, 520 VAC, 80 A, Three Phase, 1 Stage, Chassis Mount

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General Purpose 520VAC 80A Three Phase 1 Stage Chassis Mount Terminal Block Terminal Block KES Series
100KEBS10BFPD
100KEBS10BFPD - Power Line Filter, General Purpose, 520 VAC, 100 A, Three Phase, 1 Stage, Chassis Mount

3586148

Power Line Filter, General Purpose, 520 VAC, 100 A, Three Phase, 1 Stage, Chassis Mount

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General Purpose 520VAC 100A Three Phase 1 Stage Chassis Mount Terminal Block Terminal Block KEB Series
25KEMS10BFPD
25KEMS10BFPD - Power Line Filter, General Purpose, 520 VAC, 25 A, Three Phase, 1 Stage, Chassis Mount

3586178

Power Line Filter, General Purpose, 520 VAC, 25 A, Three Phase, 1 Stage, Chassis Mount

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General Purpose 520VAC 25A Three Phase 1 Stage Chassis Mount Terminal Block Terminal Block KEM Series
75KEMS10BFPD
75KEMS10BFPD - Power Line Filter, Industrial, 520 VAC, 75 A, Three Phase, 1 Stage, Chassis Mount

3586181

Power Line Filter, Industrial, 520 VAC, 75 A, Three Phase, 1 Stage, Chassis Mount

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Industrial 520VAC 75A Three Phase 1 Stage Chassis Mount Terminal Block Terminal Block KEM Series
15KEBS6BFPD
15KEBS6BFPD - Power Line Filter, General Purpose, 520 VAC, 15 A, Three Phase, 1 Stage, Chassis Mount

3586140

Power Line Filter, General Purpose, 520 VAC, 15 A, Three Phase, 1 Stage, Chassis Mount

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General Purpose 520VAC 15A Three Phase 1 Stage Chassis Mount Stud Stud KEB Series
MA-2023
MA-2023 - Power Line Filter, General Purpose, 250 VAC, 2 A, Single Phase, 1 Stage, Through Hole

3290516

Power Line Filter, General Purpose, 250 VAC, 2 A, Single Phase, 1 Stage, Through Hole

KEMET

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General Purpose 250VAC 2A Single Phase 1 Stage Through Hole - - MA Series
75KEMS10BBSD
75KEMS10BBSD - Power Line Filter, Industrial, 520 VAC, 75 A, Three Phase, 1 Stage, Chassis Mount

3586188

Power Line Filter, Industrial, 520 VAC, 75 A, Three Phase, 1 Stage, Chassis Mount

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Industrial 520VAC 75A Three Phase 1 Stage Chassis Mount Terminal Block Terminal Block KEM-BS Series
15KEHD10BFPD
15KEHD10BFPD - Power Line Filter, Industrial, 520 VAC, 15 A, Three Phase, 2 Stage, Chassis Mount

3586229

Power Line Filter, Industrial, 520 VAC, 15 A, Three Phase, 2 Stage, Chassis Mount

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Industrial 520VAC 15A Three Phase 2 Stage Chassis Mount Terminal Block Terminal Block KEH Series
80KEBS6AFPD
80KEBS6AFPD - Power Line Filter, General Purpose, 440 VAC, 80 A, Three Phase, 1 Stage, Chassis Mount

3586132

Power Line Filter, General Purpose, 440 VAC, 80 A, Three Phase, 1 Stage, Chassis Mount

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General Purpose 440VAC 80A Three Phase 1 Stage Chassis Mount Stud Stud KEB Series
100KEBS6BFPD
100KEBS6BFPD - Power Line Filter, General Purpose, 520 VAC, 100 A, Three Phase, 1 Stage, Chassis Mount

3586144

Power Line Filter, General Purpose, 520 VAC, 100 A, Three Phase, 1 Stage, Chassis Mount

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General Purpose 520VAC 100A Three Phase 1 Stage Chassis Mount Stud Stud KEB Series
100KEMS10BBSD
100KEMS10BBSD - Power Line Filter, Industrial, 520 VAC, 100 A, Three Phase, 1 Stage, Chassis Mount

3586189

Power Line Filter, Industrial, 520 VAC, 100 A, Three Phase, 1 Stage, Chassis Mount

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Industrial 520VAC 100A Three Phase 1 Stage Chassis Mount Terminal Block Terminal Block KEM-BS Series
75KEHD10BBSD
75KEHD10BBSD - Power Line Filter, AC/DC Drives, HVAC, Robotics, UPS, 520 VAC, 75 A, Three Phase, 2 Stage

3586240

Power Line Filter, AC/DC Drives, HVAC, Robotics, UPS, 520 VAC, 75 A, Three Phase, 2 Stage

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AC/DC Drives, HVAC, Robotics, UPS 520VAC 75A Three Phase 2 Stage Chassis Mount Terminal Block Terminal Block KEH-BS Series
10KEMS10BFPD
10KEMS10BFPD - Power Line Filter, Industrial, 520 VAC, 10 A, Three Phase, 1 Stage, Chassis Mount

3586469

Power Line Filter, Industrial, 520 VAC, 10 A, Three Phase, 1 Stage, Chassis Mount

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Industrial 520VAC 10A Three Phase 1 Stage Chassis Mount Terminal Block Terminal Block KEM Series
100KEMS10BFPD
100KEMS10BFPD - Power Line Filter, Industrial, 520 VAC, 100 A, Three Phase, 1 Stage, Chassis Mount

3586183

Power Line Filter, Industrial, 520 VAC, 100 A, Three Phase, 1 Stage, Chassis Mount

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Industrial 520VAC 100A Three Phase 1 Stage Chassis Mount Terminal Block Terminal Block KEM Series
7KEVD10BBSW
7KEVD10BBSW - Power Line Filter, AC/DC Drives, HVAC, Robotics, UPS, 520 VAC, 7 A, Three Phase, 2 Stage

3586473

Power Line Filter, AC/DC Drives, HVAC, Robotics, UPS, 520 VAC, 7 A, Three Phase, 2 Stage

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AC/DC Drives, HVAC, Robotics, UPS 520VAC 7A Three Phase 2 Stage Chassis Mount Terminal Block Terminal Block KEV-BS Series
16KEMS10BFPD
16KEMS10BFPD - Power Line Filter, General Purpose, 520 VAC, 16 A, Three Phase, 1 Stage, Chassis Mount

3586177

Power Line Filter, General Purpose, 520 VAC, 16 A, Three Phase, 1 Stage, Chassis Mount

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General Purpose 520VAC 16A Three Phase 1 Stage Chassis Mount Terminal Block Terminal Block KEM Series
16KEPS10BBSW
16KEPS10BBSW - Power Line Filter, Industrial, 520 VAC, 16 A, Three Phase, 1 Stage, Chassis Mount

3586208

Power Line Filter, Industrial, 520 VAC, 16 A, Three Phase, 1 Stage, Chassis Mount

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Industrial 520VAC 16A Three Phase 1 Stage Chassis Mount Terminal Block Terminal Block KEP-BS Series
150KEHD10BBSD
150KEHD10BBSD - Power Line Filter, AC/DC Drives, HVAC, Robotics, UPS, 520 VAC, 150 A, Three Phase, 2 Stage

3586243

Power Line Filter, AC/DC Drives, HVAC, Robotics, UPS, 520 VAC, 150 A, Three Phase, 2 Stage

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AC/DC Drives, HVAC, Robotics, UPS 520VAC 150A Three Phase 2 Stage Chassis Mount Terminal Block Terminal Block KEH-BS Series
20KEVD10AFPW
20KEVD10AFPW - Power Line Filter, Industrial, 440 VAC, 20 A, Three Phase, 2 Stage, Chassis Mount

3586245

Power Line Filter, Industrial, 440 VAC, 20 A, Three Phase, 2 Stage, Chassis Mount

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Industrial 440VAC 20A Three Phase 2 Stage Chassis Mount Terminal Block Terminal Block KEV Series
16KEVD10ABSW
16KEVD10ABSW - Power Line Filter, AC/DC Drives, HVAC, Robotics, UPS, 440 VAC, 16 A, Three Phase, 2 Stage

3586246

Power Line Filter, AC/DC Drives, HVAC, Robotics, UPS, 440 VAC, 16 A, Three Phase, 2 Stage

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AC/DC Drives, HVAC, Robotics, UPS 440VAC 16A Three Phase 2 Stage Chassis Mount Terminal Block Terminal Block KEV-BS Series
120KEMS10ABSD
120KEMS10ABSD - Power Line Filter, General Purpose, 440 VAC, 120 A, Three Phase, 1 Stage, Chassis Mount

3586175

Power Line Filter, General Purpose, 440 VAC, 120 A, Three Phase, 1 Stage, Chassis Mount

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General Purpose 440VAC 120A Three Phase 1 Stage Chassis Mount Terminal Block Terminal Block KEM-BS Series
150KESS6BFPW
150KESS6BFPW - Power Line Filter, General Purpose, 520 VAC, 150 A, Three Phase, 1 Stage, Chassis Mount

3586163

Power Line Filter, General Purpose, 520 VAC, 150 A, Three Phase, 1 Stage, Chassis Mount

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General Purpose 520VAC 150A Three Phase 1 Stage Chassis Mount Stud Stud KES Series
36KEPS10BFPW
36KEPS10BFPW - Power Line Filter, Industrial, 520 VAC, 36 A, Three Phase, 1 Stage, Chassis Mount

3586201

Power Line Filter, Industrial, 520 VAC, 36 A, Three Phase, 1 Stage, Chassis Mount

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Industrial 520VAC 36A Three Phase 1 Stage Chassis Mount Terminal Block Terminal Block KEP Series
75KEMS10ABSD
75KEMS10ABSD - Power Line Filter, Industrial, 440 VAC, 75 A, Three Phase, 1 Stage, Chassis Mount

3586173

Power Line Filter, Industrial, 440 VAC, 75 A, Three Phase, 1 Stage, Chassis Mount

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Industrial 440VAC 75A Three Phase 1 Stage Chassis Mount Terminal Block Terminal Block KEM-BS Series
100KEHD10BBSD
100KEHD10BBSD - Power Line Filter, AC/DC Drives, HVAC, Robotics, UPS, 520 VAC, 100 A, Three Phase, 2 Stage

3586241

Power Line Filter, AC/DC Drives, HVAC, Robotics, UPS, 520 VAC, 100 A, Three Phase, 2 Stage

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AC/DC Drives, HVAC, Robotics, UPS 520VAC 100A Three Phase 2 Stage Chassis Mount Terminal Block Terminal Block KEH-BS Series