2.2kw Air-cooled Square Spindle Motor Kit 2200w Spindle + 2.2kw 220 VFD Inverter + 13PCS ER20 Collet For CNC Engraving Milling ,Quiet Operation

Control mode is SPWM, it is very easy to use and convenient Protection functions are very strong Fin over-heat protection Overload protection Fuse protection