three phase frequency converter 1)Power:0.4-500kw 2)Delivery :7 to 15days 3)CE,ISO9001:2000 Approved 4)MOQ:1pc three phase frequency converter ... magnetic flux vector control 2. Low frequent high start torque: 0.5Hz/150%3. 15kW and below with built-in braking ... , Metal, Plastic machining, Paper & printing, Petrochemical, Textile priting ALPHA 380V three phase frequency converter