System for sterilization of objects (B) by electron bombardment comprising a chamber (2) provided with an inlet (4) and an outlet (6) through which objects (B) are input and output, said system between the inlet (4) and the outlet (6) comprising a treatment zone (II), a routing zone (I) upstream from the treatment zone (II) and an evacuation zone (III) downstream from the treatment zone (II), and means of conveying objects (B) from the inlet (4) to the outlet (6), the treatment zone (II) comprising at least one electron accelerator and a conveyor (9), the routing zone (I) and the evacuation zone (III) each including at least one radiation shielding wall (16) protecting against ionizing radiation and means allowing objects (B) to pass over the radiation shielding wall (16) passing over the top of said radiation shielding wall (16).
