AC Inverter HF430

The HF430 flux vector drives provide cost-effective control solutions for a wide range of applications.

Sumitomo HF430 AC Drives incorporate a three-drives-in-one design philosophy. Simple V/F control allows a 10:1 constant torque speed range and is suitable for many applications. Switch to Sensorless Vector (SLV) contol by simply changing a parameter value. SLV control offers a 120:1 constant torque speed range and ±0.5% speed regulation.

Closed-Loop Vector (CLV) control is available by installing a low-cost encoder feedback card and changing a parameter value. Of course, the motor must be equipped with a suitable encoder. CLV control dramatically improves performance. A 1000:1 constant torque speed range with ±0.05% speed regulation can be achieved. In addition, Closed-Loop vector control can produce full torque at zero speed, if necessary.

HF430 AC drives are available from 1/2 to 75 HP, 200-240V and 1 to 75 HP, 380-480V and are suitable for 50 Hz or 60 Hz operation.


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  • Three operating modes provide application flexibility:
  • V/F (Volts-per-Hertz)
  • Sensorless Vector (SLV)
  • Closed-Loop Vector (CLV) (requires encoder feedback option)
  • Space-saving Compact Size, easy to maintain
  • Standard Digital Operator Panel (DOP)
  • Optional enhanced DOP with parameter copy
  • Conforms to global standards (UL, cUL, CE)
  • Serial communications (RS-485 standard)
  • High starting torque - 200% or greater (in SLV or CLV control modes)
  • Constant torque speed range to fit application requirements
  • NEMA 1 enclosure (International Rating IP20)
  • UL listed (US & Canada) and CE approved
  • 120:1 constant torque speed range, ±0.5% speed regulation (SLV mode)
  • 1000:1 constant torque speed range, ±0.05% speed regulation (CLV mode)
  • Eight programmable digital inputs
  • Three analog inputs (0-10 VDC, 0 to ±10 VDC and 4-20 mADC)
  • 16 preset frequencies
  • Built-in PID control
  • Built-in dynamic brake transistor (to 15 HP), (resistor optional)

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