Medium Frequency Power Supply Control Board. With superior control performance, good stability, simple circuitry, convenient installation and commissioning, excellent starting performance, strong adaptability, and constant power characteristics, it has been accepted and widely used by many customers. Compared with many existing boards of the same type currently available, it is best recommended for use in smelting equipment below 1000Kg (or 800KW) and medium frequency induction heating equipment below 4000Hz.