RCDC series air-cooled self unloading electromagnetic iron remover is an automatic iron unloading device. It is an automatic iron unloading mechanism added to RCDA series air-cooled electromagnetic iron remover. When the iron remover sucks out ferromagnetic substances in materials, it throws ferromagnetic substances out of the iron remover through the iron unloading mechanism, so as to achieve automatic iron removal. This model is mainly used for the occasion with high iron content in materials, so as to avoid the trouble of manual frequent power off and iron unloading.