The 2-way switch with key 2 positions and welding terminal connection system of the Simon 75 series is one of the most sought-after control mechanisms for professionals and individuals. The key is removable in both positions, being suitable for surface and flush mounting. It has been manufactured with high quality materials with metal components with thermoplastic insulation, halogen-free. This is a 2-way switch with a current of 5 A and a voltage of 250V~, which is installed in a universal box vil544. Two keys are supplied and the mechanism is valid for the products included in the mechanisms of the series Simon 75,82 and 88. It is one of the most widely used 2-way switches in large buildings such as the headquarters of offices, hotels, schools, hospitals or commercial establishments due to its easy operation and competitive price.