Haas Settings: All Machines Require:

AC input power is three phase Delta or Wye power, except that the power source must be grounded (e.g. leg or center leg for delta, neutral for Wye)
Frequency range of 47-66 Hz
Line voltage that does not fluctuate more than +- 10%
Harmonic distortion not to exceed 10% of the total RMS voltage

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