Changeover switch 20A 2W switchgear for DIN rail mounting for controlling electrical systems. The switchgear from Siemens, an important part of the SENTRON components for electrical installation, is used in control cabinets and distribution boards for switching small loads on, off, and over. Whether with remote or manual switching, latching or pushbutton function, for infrastructure or industrial requirements, Siemens offers switchgear for all applications and every field of use. Convenient mounting and connection technology, uniform accessories, and a consistent design are the hallmarks of this device family. It has extensive applications for switching and keying small loads, uniform accessories in a wide variety that are easy to mount and exchangeable at any time, space-saving and simple top-hat rail mounting, the possibility of combination with remote switch, and reliable safety during installation thanks to standard included grip-around.