Variable Frequency Drive (VFD)1.5kw, 7A Inverter Single to Three phase Motor Speed ControllerVariable Frequency Drive (VFD)1. 5kw, 7A Inverter Single to Three phase Motor Speed Controller 330 Series Mini Type AC Drives are developed for general applications of small power and OEM market. It applies V f control technology, making the functions of PID, multiple speed step, DC braking, Modbus communication, as well as less installation space required. 330 Series AC drive is for small automation equipment of economical type, especially suitable