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Power Quality Products
Line & Load Reactors   Matrix Harmonic Filters  
DC Link Chokes   RFI/EMI Filters  
Surge Protection Devices   3rd Harmonic Filters  
3-Phase Reactors with Surge Arrestors   Motor Protection Filters  
Harmonic Analysis Software   Noise Suppression  
Harmonic Compensated and IGBT Compatible

MTE Matrix Filters solve the problem of harmonic distortion on virtually any kind of six pulse rectifier. These power supplies are commonly found in three phase electronic equipment such as adjustable speed motor drives, uninterruptable power supplies (UPS), welders, battery chargers, servo drives and other equipment.

The Matrix has recently been redesigned to accomplish its task with less size, weight, and material--more effective in every respect.

MatrixTM Harmonic Filters

1000 Volts DC
Filters 300/360 Hz Ripple Current

Use DC Link Chokes in many applications such as:


  • AC PWM inverters/drives
  • DC to AC inverters
  • Variable frequency motor drives
  • Electric vehicle inverters

DC Link Chokes

Single Phase & Three Phase
50/60 Hertz
Available in Ratings up to 600 Volts


RFI/EMI Filters

  • 3-Phase
  • 50/60Hz, 600 volts max.

PR-O-TECT surge arrestors help to protect sensitive electronics equipment from dangerous voltage transients and spikes.

Surge Protection Devices

  • Single Phase
  • 120 & 240 Volts AC
  • 50 & 60 Hz Versions

3rd Harmonic Filters by MTE Corporation will substantially reduce harmonic currents caused by:

  • Personal Computers
  • Electronic Ballasts
  • Lighting Dimmer Controls
  • Uninterruptible Power Supplies
  • 1-Phase Motor Drives/Inverters

3rd Harmonic Filters

Guard-ACTM PLUS reactors with surge arrestors offer enhanced protection of diodes, transistors, SCRs, thyristors, etc. from dangerous voltage spikes and current surges. They can reduce overall system operating costs by reducing equipment down time and increasing system reliability and efficiency.

Guard-ACTM PLUS offers a combined benefit of both reactors and MOVs including absorption spike reduction and harmonic attenuation.

Guard-ACTM PLUS combines the benefits of reactor and MOV (metal-oxide varistor) technology to provide enhanced surge/spike protection for variable speed drive/inverter applications.

3-Phase Reactor with Surge Arrestors

MTE Motor Protection Filters are designed to protect AC motors from the destructive affects of long cable runs between an inverter and motor.

Motor Protection Filters

MTE Corporation has created a visual basic program that performs harmonic analysis. To Download this file, simply click on the link below. Your browser should identify it as a downloadable file and should launch a window asking you where to save the file. Once downloaded you will need to extract the files to your computer and install. If you have any problems downloading this file, please email the

Harmonic Analysis Software

MTE Corporation type M-1877 Noise Suppression Network offers an economical solution to many facility interference problems caused by the high frequency emissions of adjustable speed drives and inverters. The type M-1877 Noise Suppression Network can reduce interference with other sensitive electronic loads such as micro-processor based equipment, sensors, automation equipment, energy management systems, laboratory instruments and radio receivers. Type M-1877 Noise Suppression Network

Type M-1877 Noise Suppression Network Solves Noise Problems

All Copyright © Reserved:: MCT/RAM :: 2006