small power ac drive 0.4~7.5KW 1 ... 3)High quality and low price 4)best one small power ac drive 0.4~7.5KWTension Control Frequency ... demand. We adopt tension control inverter and general asynchronous motor to achieve tension control, with economical control system and ... perfect control effect, can substitute torque motor, DC motor, magnetic powder clutch, etc. Technical Feature:1. Power ...