Electronic filters are devices that process and remove unwanted frequencies from a signal or power line. The most common type of filter is the passive filter, which uses a combination of resistor, inductors and capacitors to block or conduct high or low frequency signals.

A low-pass filter allows low frequencies to pass through the circuit and suppresses high frequencies, and high-pass filters allow high frequencies to pass. Band-pass filters allow frequencies within a certain range, and band-stop filters allow frequencies outside of a certain range. The type of filter used depends on application requirements.

Electronic filters are typically used to suppress electromagnetic and radio frequency interference, mitigate harmonics, and protect valuable equipment like motors and drive from undesired power conditions.

V1K Series Image
  • Increase the Voltage Rise Time
  • Extend the Life of the Motor
  • Improve System Productivity
  • Protect Long Lead Lengths
  • Increased Energy Savings
  • Reduce Common Mode
  • Prevent Motor Failure
  • Protect Cable Runs
dV Sentry Series Image
  • True common mode reduction, peak voltage protection, and rise time reduction
  • World leading motor protection technology in the market
  • Low watts loss
  • Small, advanced, robust design, easily installed
  • Three-year warranty
The dV Sentry is like nothing you’ve seen before. Our latest technological innovation has made the dV Sentry the revolutionary solution for motor protection. With its patented design, the dV Sentry is the first proven filter that provides common mode reduction, peak voltage protection and rise time reduction – all in one unit. This gives greater motor protection over time. It features a small footprint and easy terminations to make installation faster and easier. Plus, it runs quietly and radiates less heat than previous filters. The dV Sentry is unique, and when it comes to motor protection, there is nothing better.
  • Increases motor life
  • Easy to integrate, install and service
  • Operates in high ambient temperatures
  • High performance and reliability
  • Three year warranty
Motor protection and power quality don't have to be a mystery. MTE makes it easy. Case in point: The new SineWave Guardian Filter. This best-in-class filter delivers unequaled performance in cleaning the PWM waveforms generated by Variable Frequency Drives (VFDs). It virtually eliminates high frequency content and voltage peaks, thereby reducing motor heating to give you extended motor life and less downtime. The SineWave Guardian also offers incredible reliability and durability. It is more efficient and tolerates higher ambient temperatures, making it ideal for a variety of applications from steel mills to oil fields. Its modular design and smaller footprint make it easier to integrate and install. It all adds up to the best SineWave Filter, and the best value on the market today. Improve efficiency, improve motor life, and improve your bottom line with our new SineWave Guardian.
850 Series Image
  • Voltage Rating 115/250 Voltage AC
  • Current Rating 10 Amps RMS MAX
  • Operating Frequency 50/60Hz
  • JJH Approved
Matrix AP Series Image
  • Adapts to varying power loads
  • Best performance in the industry
  • Extends the service life of electrical equipment
  • Generator compatible
  • Performance guarantee
Simply put, the Matrix AP is the most advanced passive filter on the market today. Most traditional filters work fine at 100% power load, but severely underperform at lower loads. Matrix AP is different, because we know almost no one runs at full load all the time. Its patented Adaptive Passive Technology virtually eliminates harmonic distortion by adapting to varying power loads. It delivers better THID performance, increases energy efficiency, and allows you to meet IEEE-519 requirements. Its unique design generates less heat, and is easy to install and maintain. Plus it is generator compatible. With Matrix AP Harmonic Filters, power quality, energy efficiency and reduced downtime are easy to achieve.
HLD310 Series Image
  • Low Leakage Current
  • Single-Stage Filter Concept
  • Efficient Filter Effect Against Line-Bound Interference Emissions
HLD103 Series Image
  • Increase in the Interference Immunity of the Connected Consumer
  • Single-Stage Filter Concept
  • Efficient Filter Effect Against Line-Bound Interference Emissions
HLE110 Series Image
  • Increase in the Interference Immunity of the connected Consumer
  • Single-Stage Filter Concept
  • Efficient Filter Effect Against Line-Bound Interference Emissions
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