... speed regulation system which the power is supplied by a frequency converter. This series of product can be matched with all kinds ... make adjustment according to your special requests such as rated frequency, voltage, etc. Welcome you to email us for more detailed information ... : 0.12 to 110kw Voltage: 220V, 380V, 400V, 415V, 220/380V, 380/660V, 230/400V, 400/690V(OPTIONAL) Frequency: 50HZ, 60HZ Speed ...