Control switch 20 A 3 NO 1 lamp 230 V with auxiliary current switch 1 NO + 1 NC Switching devices for mounting onto standard rails for controlling electrical systems. The switchgears from Siemens for standard rail mounting are an important elements of SENTRON components for electrical installations and are used in control cabinets and distribution boards for switching small loads on/off or over. Whether with remote or manual switching, latch or touch function, and for infrastructure or industrial requirements, Siemens provides switchgears for all applications and every application area. User-friendly mounting and connection technology, standardized accessories and an integrated design are the key features of this device family. www.siemens.com/switching-devices. Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, distribution systems as well as switches and sockets for safe and efficient electrical infrastructure in buildings and indust