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Energy saving, dedicated to HVAC


Advanced harmonic reduction, power factor improvement.

With Toshiba unique reactor-less technology, the VF-FS1 reducts harmonics, particularly the 5th and the 7th harmonic current which especially has harmful effects on power supply. As a result, the power factor of all the VF-FS1 models improved to more than 94%.

Dedicated functions for air-conditioning equipment.

The VF-FS1 is designed specifically for pump and fan applications in the HVAC industry. The special functions include, Local/Remote mode, Fire control mode, PID control mode, etc.

Long operating life, easy maintenance.

Film capacitors are used in main circuit, which are expected to be able to operate for 15 years.

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Power Ratings

  • Three phase 200 V at 0.4 to 30 kW
  • Three phase 400 V at 0.4 to 30 kW

Frequency Range

  • 0.5 to 200 Hz

Overload Rating

  • 110% for 60 seconds

Degree of Protection

  • IP20

Filter for Noise Reduction

  • 200V All models: standard filter.
  • 400V All models: Built-in EMC filter.

*The EMC filter complies with the European EMC Directive.


  • Standard: RS-485 (Modbus®RTU / TOSHIBA) Two-Wire
  • Optional: LONWORKS®, BACnet®, Metasys®N2, APOGEE® FLN


  • CE, UL, CSA, ISO 13849, IEC 61508

Applications (Motor Types: Induction motors)

  • Air handlers (AHUs), Ventilation fans, Chillers, Water pumps, etc.