The frequency inverter is used for CNC machine tools. Control frequency: maximum 3000Hz Overload capacity: conventional overload capacity 130%, 150% 60S,180% 10S,200% 0.5s Welcome to visit our official website: https://www.vfdfrequencyinverter.com Whatsapp/WeChat: +8617324524566 Email: ashleychen@jieshenggz.cn