... than 4KV,frequency below 200KZ,controllable or adjustable ac voltage system,specially used to improve induction heating, melting, mixing or casting ... condition operation:sea level elevation≤1000m,ambient operation temperature:-40~+50°C,residual voltage≤10% Un when power on,entrance water ... on the two side of the case for Handling and installation.2.The core is made up of components,insulators and ...