IGBT small melting furnaces can be used for melting metal in anywhere : jewelry design and manufacturing plants, even offices with correct ventilation. Because the IGBT system has advantages of being clean, efficient, simple to operate and almost noise-free. The cooling requirements of the system are low and can be achieved by connecting to water-tap or small cooling chiller. This silent, compact inductive power supply unit is available in a power configuration of 10-35 kW.