... user-defined curve 2,The motoraas slip changes with the load torque, 3,CE,ISO certification approv Main feature1,Two preset curves ... user-defined curve2,The motor’s slip changes with the load torque,3,CE,ISO certification approved4,Power range0.25-2.2KW ... optional.Application areaSuitable for large inertia, high accuracy, potential energy load, fast response and other high-end occasion.