HLP-A series frequency converter, a general purpose converter, has powerful and diverse functions, such as PID controller, simple PLC, internal/external control of various speeds, oscillations which are widely used in textile and chemical fiber industries, quasi winding and unwinding function which can keep the line speed constant with definite accuracy, etc. It has good overload capacity and high output torque. HLP-A series frequency converters have been widely used in the knitwear, chemical fiber, printing and dyeing, plastics, mechanical, chemical, steel, paper and light industries. It has won a great award from customers for its high quality and stability. Power range: 0.4-90 kW (1 and 3 × 220V), 0.75-415 kW (3 × 380V)