Delta i-system carbon metallic room temperature controller. Delta switches and sockets - design and quality in perfection from Siemens. Our extensive product range offers you a wealth of individual design options through its stylish shapes and color diversity, which skillfully enhance the aesthetics of any room. We can also guarantee the high quality and durability of our Delta switches and sockets with our strong expertise in manufacturing - from individual parts 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 like 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.