Mophorn Spindle Motor CNC Spindle Motor 2.2KW and VFD Drive 2.2KW 3HP Variable Frequency Drive inverter (2.2KW VFD + 2.2KW Water Cooled Spindle Motor) Motor Speed: 8000-24000 R/min This spindle motor use water cooling VFD driver suit for 1 or 3 input phase Use Sine wave PWN(SPWM ) for the control system The spindle motor applied to Lathes, Mills,Car Hoists, Pumps & Conveyors, etc