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IoT / Industry 4.0 ready, high-performance for Various applications


Built-in Ethernet and Web Server function for IoT Support.

VF-AS3 has two ports I/F of Ethernet as standard. Data of operating conditions and Dedicated data source can be stored to Big data and Cloud storage by Ethernet communication.

Built-in Real time clock, Calendar and Event time stamp functions help operating data collection with actual time.

Web Server function can be easily accessed and manage the operating condition remotely from your PC or Smart Phone/tablet devices.

The sensor which is equipped in the machine and equipment, can be connected with VF-AS3 and the status can be monitored by VFD network communication.

Support of Manual-free with QR Code® display.

For the advanced information and the event of drive fault, VF-AS3 displays the QR Code®s, which will provide immediate access to a dedicated web link for support and maintenance.

For the installation, setup and maintenance, the video guidance is available with web support.

Notes) "QR Code" is resistered trademarks of DENSO WAVE INCORPORATED.

Standard type

Totally enclosed box type (IP55/UL type 12)

Please click here for more information.

Environment free and Safety designs meet IEC standard.

  • VF-AS3 can meet IEC61000-3-12 without external reactor(THD<=48%) and EMC directive of IEC61800-3 Category C2/C3 (400V Class only).
  • Environmental protection is improved for IEC60721-3-3 dust 3S3 and chemical 3C3 (Size A6 or less).
  • The safety standards with STO (Safe Torque Off) function, it will be highly reliable to cut-off in the emergency conditions. In addition, the safety functions of SS1, SOS, SS2, SBC, SLS and SDI also available as options.

Add new performances and functions for various applications.

  • Double rating for ND(Nomal Duty) and HD(Heavy Duty)
  • Four Built-in PID functions
  • Built-in Pump control (Maximum ten pumps)
  • Built-in Position control
  • PM motor drive with sensor or without sensor

Power Ratings

  • Three phase 240 V at 0.4 to 55 kW (HD)
    Three phase 240 V at 0.75 to 75 kW (ND)
  • Three phase 480 V at 0.4 to 280 kW (HD)
    Three phase 480 V at 0.75 to 315 kW (ND)

Frequency Range

  • 0.01 to 590 Hz

Overload Rating

  • 150% for 60 seconds (at HD Rating)
  • 120% for 60 seconds (at ND Rating)

Degree of Protection

  • 240 V at 0.4 to 37 kW (HD) : IP20
  • 240 V at 45 kW and above (HD) : IP00
  • 480 V at 0.4 to 75 kW (HD) : IP20
  • 480 V at 90 kW and above (HD) : IP00

Filter for Noise Reduction

  • 240 V All models : Optional.
  • 480 V All models : Built-in EMC filter.

*The EMC filter complies with the European EMC Directive.

Reactor for Harmonic Reduction

  • 240 V All models : Built-in DC reactor.
  • 480 V at 0.4 to 132 kW (HD) : Built-in DC reactor.
  • Other range : Attached

*The DC reactror meets IEC harmonic standards.


  • Ethernet standard 2-channel equipped
  • RS485 standard 2-channel equipped
  • Options available for: PROFINET®, DeviceNetTM, PROFIBUS®-DP, EtherCAT®, CANopen®


  • CE, UL, CSA, TUV

Note: UL, CSA and TUV approval is still pending for VFAS3-4160KPC, VFAS3-4200KPC, VFAS3-4220KPC, and VFAS3-4280KPC.

California proposition 65

WARNING: This product can expose you to chemicals including:

Substance 1: Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm.

Substance 2: Bisphenol A (BPA), which is known to the State of California to cause birth defects or other reproductive harm.

For more information, please see Window

Applications (Motor Types: Induction motors, Permanent magnet motors)

  • For Oil & Gas / Mining Indudtry
    Jack pumps, Compressor, Conveyor, Crushers, etc.
  • For Conveyor / Crane Industry
    Transportation machine, Conveyor, Crane, Hoist, etc.
  • For Water & Wastewater Industry
    Fan, Pump, Centrifuges, etc.
  • For Chemical / Phamaceutical Industry
    Pumps, Mixers, Compressor, Centrifuges, Fans, etc.