... GK800-4T45 and below is built inDC brake capacityDC brake start frequency: 0.00~600.00HzDC brake current: 0.0~100 ... binding function, free switch between four-segment acceleration/deceleration time, motor thermal protection, flexible fan action control, process PID control, simple ... machine, compressor, crusher, pump, fan, etc. close loop vector control AC motor drive for lift elevator escalator