SC(B)9, SC(B)10 three phase resin insulation dry type power transformer is a new dry type transformer of low power loss and low noise, in the base of advanced manufacturing equipment and technology imported from Germany. It imports advanced manufacturing equipment and technology again from Europe. So it owns the advantages of low power loss, small volume, light-weight, low noise, moistureproof, pollution-proof, anti-crack, impulse resistant, flameproof, strong overload ability and less partial electric release. The product is suitable in construction and is convenient in use and guardianship.After providing temperature auto-test system in transformer, it process the ability of alarm in over-temperature, automatic tripping in over temperature. And for auto use or stop machine, it provides guarantee in safety running of transformer. The product is suitable for transmit and transform system in hotels, restaurants, high buildings, commercial centers, stadiums, petroleum chemical factories, underground railways, stations, airports and well drilling platforms on sea. It is especially suitable for load centres and places where specially need fire-proof.