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three phase frequency converter


Our Three Phase Frequency Unit Converter is one of the most advanced AC to DC conversion products which can convert ordinary three-phase power to industrial three-phase power. The converter can supply power to all kinds of electric equipment, electric motors, pump, compressor, and other industrial power supply. Applicable to all types of load.


  • Reduced cost of investment on equipements.
  • Convienent for usage.
  • Suitable for all types of home appliances,electric tools, electric motors etc.
  • High efficiency and stable performance.
  • Powerful protection function against short circuit, overload and over temperature respectively.
  • Pure sine wave output with good response.

Technical Details

Input Voltage300V to 440V, 3 Phase 4 wire
Input Frequency47Hz to 53Hz
Input Power FactorBetter than 0.92
Output TypeIGBT based technology
Output Voltage400/415Volts PH to PH
Output Voltage Variation± 1%
Output Frequency50 Hz / 60Hz / 400Hz
Output Frequency Regulation± 0.01% (in non-sync mode)
Output Wave formSine wave
Output Harmonic Distortion< 3% THD for linear load
Output Overload Rating125% for 10 minutes,150% for 60 seconds
Output RegulationBetter Than 1%
Overall EfficiencyBetter than 92%
Rectifier ProtectionI/P AC Over voltage / Under voltage,Single Phase Failure,Over temperature
Inverter ProtectionO/P Over voltage / Under voltage,O/P Overload,O/P Short-circuit,Over temperature
AUDIO ALARMRectifier Trip, Overload, System Trip.