... :7 to 15days 3)CE,ISO9001:2000 Approved 4)MOQ:1pc,manufacturer.. Motor speed controlALPHA 5000 series ... , also adopt special magnetic flux vector control, with the same functions and performance of ALPHA6000. But ... Use 32 bit high speed CPU special for motor control 5. Simple PLC multi-step control function6 ... , Paper & printing, Textile printing Chinese inverter Motor speed control with CE certificate