CNC 2.2kw 2200w 10a 220 to 250v VFD Variable Frequency Drive Inverter High Quality 3hp Auto Voltage Regulation (Avr) Technique for Ensuring the Inverter Load Capability It has easy PLC function can realize 16 legs of speed and inverter control function RS485 communication port, adopting standard international MODBUS main circuit control Auto Voltage Regulation (AVR) technique, For Ensuring The Inverter Load Capability Various control technique by both synchronization and non-synchronization Carrier Adjustable by 16KHZ, Completely Soundless Working Environment