Hydrogen peroxide supply system (200) for a sterilizer, sterilizer having a hydrogen peroxide injection unit and a housing, said hydrogen peroxide supply system comprising a support (202) for supporting a sealed solution vessel of hydrogen peroxide (180) in a vertical position inside the housing, a drain arrangement (207) connected to the support (202) to aspirate the hydrogen peroxide solution from the container (180) and to be connected to the unit hydrogen peroxide injection of the sterilizer to supply the aspirated hydrogen peroxide solution to the hydrogen peroxide injection unit of the sterilizer, including the drainage arrangement a drain needle (209) to penetrate a seal in the container ( 180) and extend into the hydrogen peroxide solution in the container (180), and an actuating element Alternative movement needle (208) to move the needle (209) from a resting position, in which the needle (209) retracts to allow the insertion of a new hydrogen peroxide container (180) into the holder (202), to a penetration position where the needle (209) penetrates the seal of the container (180) and extends into the hydrogen peroxide solution in the container (180), the needle extending (209 ) the entire distance to the bottom of the container (180) in the penetration position； and a control structure to guarantee the contact of the needle (209) with the lower part of the container (180) while preventing the penetration of the lower part of the container (180).Sistema de suministro de peróxido de hidrógeno (200) para un esterilizador, esterilizador que tiene una unidad de inyección de peróxido de hidrógeno y un alojamiento, comprendiendo dicho sistema de suministro de peróxido de hidrógeno un soporte (202) para soportar un recipiente sellado de disolución de peróxido de hidrógeno (180) en una posición vertical dentro del alojamiento, una disposición de drenaje (207) conectada con el soporte (202) para aspirar la disolución de peróxido de hidrógeno del recipiente (180) y q
