RCDE oil cooling electromagnetic De-ironing separator inside adopts international advanced technology in 1990s of transformer. The transformer is cooled by oil cycling with full sealed structure, also has characteristics of big magnetism, dustproof, rainproof, anticorrosion, continous working and long life. This product’ major capability is higher than the JB/T8711-1998 standard with power of KGLA-50A/500. It can clean up the iron magnetic materials from 0.1 to 25kg in the nonmagnetic materials.