Abstract: A device for electrolytic production of hydrogen and oxygen, comprising: process lines for feed of water and electrolyte and withdrawal of the electrolysis products, an electrolyser, comprising a body with upper and lower covers made of electrically conducting material, short-circuited electrodes, one of which is located centrally in the electrolyser, and the other is formed by the inside surface of the body, and an electromagnetic system, comprising magnets, mounted above the upper and under the lower covers of the body, the electrolyser being rotatable relative to the magnets.