Button, 1S+1S 20A, 2 buttons green blue without latching function Switching devices for DIN rail mounting for controlling electrical systems. The switching devices for DIN rail mounting from Siemens as an important part of the SENTRON components for electrical installation are used in control cabinets and distributors for switching small loads on, off and changing over. Whether with remote or manual switching, latching or push-button function, for infrastructure or industrial requirements - Siemens offers switching devices for all applications and every area of application. Convenient assembly and connection technology, uniform accessories and a consistent design - these are the characteristics of the device family. The switching devices from Siemens are characterized above all by: 1. Extensive applications for switching and pressing small loads. 2. A wide variety of uniform accessories that are easy to install and can be replaced at any time. 3. Space-saving and simple DIN rail mounting. 4. Combination with remote switch possible. 5. Reliable safety during installation thanks to the reach-around and touch protection included as standard. 6. Optimum technology for your safety - only from Siemens.