... high torque 5, CE, CCC, SGS, ISO9001 VFD 440V0.4-7.5KW small frequency inverter, converter...CE, SGS, ISO9001. ... inverter, small ac drive, small converter, small VSD --- (0.4-11KW) general-purpose vector converter, saving energy2. Features OF SY8000 ... motor parameters...RS-485 communication inferface, standards, MODBUS protocol.PWM flexible energy braking, can quickly halt machine...The torque output ...