SINE WAVE
FILTERS

Converts the PWM output of Variable Frequency Drives into a near-perfect sinusoidal waveform – protecting motor insulation, eliminating reflected wave effects and extending motor bearing life for reliable VFD-driven systems.

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Sine Wave Filters

KEY FEATURES

01
Near-Perfect Sinusoidal Output
Converts PWM output of VFDs into a near-perfect sinusoidal waveform.
02
Motor Insulation Protection
Protects motor insulation by reducing high dv/dt and voltage spikes.
03
Long Motor Cable Support
Eliminates reflected wave phenomenon for long motor cable lengths.
04
Reduced Bearing Currents
Reduces bearing currents and extends motor bearing life.
05
Lower Motor Heating & Noise
Minimizes harmonic currents, switching losses and audible motor noise.
06
Universal VFD Compatibility
Compatible with ABB, Siemens, Schneider Electric, Danfoss, Yaskawa and other major VFD brands.
Benefits to Users & Common Problems Solved
Benefits to Users
✓ Extends Motor Insulation Life
✓ Reduces Voltage Spikes & High dv/dt
✓ Eliminates Reflected Wave Effects
✓ Supports Long Motor Cable Installations
✓ Reduces Motor Heating
✓ Minimizes Bearing Failures
✓ Reduces Motor Noise & Vibration
✓ Improves Motor Efficiency
✓ Reduces Maintenance Costs
✓ Increases Reliability of VFD-Driven Systems
Common Problems Solved
✓ High dv/dt Voltage Spikes
✓ Motor Insulation Failure
✓ Reflected Wave Phenomenon
✓ Bearing Current Damage
✓ Excessive Motor Heating
✓ High Acoustic Motor Noise
✓ Long Motor Cable Issues
✓ Premature Motor Failure
Applications
• Variable Frequency Drives (VFDs)
• AC Induction Motors
• HVAC Systems
• Pumps
• Compressors
• Conveyors
• Elevators & Escalators
• CNC Machines
• Textile Machinery
• Plastic Processing Machines
• Paper & Pulp Industries
• Steel Plants
• Cement Plants
• Water & Wastewater Treatment Plants
• Mining Industries
• Oil & Gas Industries
• Marine Applications
• Industrial Automation Systems

WHY CHOOSE MAGNETIC AND CONTROLS?

Near-Perfect Sine Wave Output
Protects Long Cable Runs
Reduces Bearing & Motor Heating
Compatible with All Major VFDs
Custom-Designed Solutions

Need the right sine wave filter
for your VFD system?

Our engineers are ready to help you find the perfect motor protection solution.

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