Delta i-system electrowhite cover room temperature controller switch/alternator 55x55mm. Delta switches and sockets - design and quality in perfection from Siemens. Our extensive product range offers a wealth of individual design options through its stylish shapes and color variety, skillfully enhancing the aesthetics of any room. We also guarantee the high quality and durability of our Delta switches and sockets with our expertise in manufacturing - from individual components to the finished product. Siemens electronic devices for installation technology offer extensive additional functions such as: 1. Dimmers for all common loads including LED lighting. 2. Motion detection in surface-mounted and flush-mounted versions. 3. Additional devices such as blind control, timer switches, and room temperature regulation are available. Siemens provides a comprehensive portfolio of protection, switching, measuring, and monitoring devices, distribution systems, as well as switches and sockets for a safe and efficient electrical infrastructure in buildings and industry.