Indicator light 1 lamp 230V red for long connection. Switching devices for DIN rail mounting to control electrical systems. The DIN rail-mounted switching devices from Siemens are an essential part of the SENTRON components for electrical installation and are used in control cabinets and distribution boards for switching small loads on, off, and over. Whether with remote or manual switching, latching or momentary function, for infrastructure or industrial applications - Siemens offers switching devices for all applications and every area of use. Convenient mounting and connection technology, uniform accessories, and a consistent design are the hallmarks of this device family. Extensive applications for switching and pushing small loads. Uniform accessories in a wide variety, easy to install, and always interchangeable. Space-saving and simple DIN rail mounting. Combination with remote switch possible. Reliable safety during installation thanks to standard execution.