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Our VFDs have input voltage tolerances of +10% and -15%. The VFDs have dual voltage ratings (e.g. 240 / 200 Vac), and these tolerances apply to both ratings.
  • 240 / 120 Vac models: 240 Vac = 204 Vac - 264 Vac; 120 Vac = 102 Vac - 132 Vac.
  • 240 / 200 Vac models: 240 Vac = 204 Vac - 264 Vac; 200 Vac = 170 Vac - 220 Vac.
  • 480 / 400 Vac models: 480 Vac = 408 Vac - 528 Vac; 400 Vac = 340 Vac - 440 Vac.
  • 590 / 480 Vac models: 590 Vac = 502 Vac - 649 Vac; 480 Vac = 408 Vac - 528 Vac.
NOTE: Although the VFDs have dual voltage ratings, not all models have dual current ratings. Therefore, a larger VFD may be required to meet the motor’s current requirements when operating in the lower voltage range. Consult the VFD’s installation and operation manual for current ratings.