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The VFD-S series is Delta’s cost effective general purpose drive used in a variety of applications. Its compact size, exceptionally low-noise carrier frequency and easy to use keypad make it attractive to OEM’s and end users. The VFD-S series is a NEMA1 rated drive ranging from fractional to 3 hp and is capable of handling common motor control requirements.

General Purpose Micro VFD AC Drives. Delta Electronics most cost effective general purpose drive. The VFD-S series drive is famous for its low-noise carrier frequency feature and easy to use keypad.


115V/ 1 Phase
230V/ 1 Phase 460V/ 3 Phase
1/2 HP 1/2 HP 1/2 HP
1 HP 1 HP 1 HP
2 HP 2 HP

AC Variable Frequency Drive FEATURES:
  • Adjustable V/f curve
  • Carrier frequency up to 10 kHz
  • Output frequency 1.0 ~ 400 Hz
  • Built-in PID feedback control
  • Support communication module (DN-02, LN-01, PD-01)
  • Momentary power failure or fault restart
  • Built-in MODBUS communication, baud rate up to 38400 bps
  • Built-in sleep / revival function
  • All VFD-S drives are constant torque rated.
  • All VFD-S drives are NEMA 1 rated enclosures
  • All VFD-S drives are UL, cUL, CE marked.
  • An EMI filter is required to conform to the CE EMI directive.
  • All 230V single phase input drives accept both single and three phase inputs