Twilight switch with light sensor 230 V, 50/60 Hz, 1TE, 100KLUX IP 30. Siemens switching devices for applications in residential, commercial, and industrial sectors. The innovative switching devices from Siemens are an essential part of the SENTRON components for electrical installations. With remote switches, relay switches, contactors, and timers, they offer numerous options for implementing various switching functions. Whether for residential construction, infrastructure, or industrial applications, Siemens provides the right portfolio for all switching functions. This way, you have the suitable device for every requirement! Siemens switching devices are characterized primarily by: 1. Comfortable and easy mounting and connection technology. 2. Reliable safety during installation thanks to standard touch protection. 3. Comprehensive and easily mountable accessories. 4. Optimal technology for your safety - exclusively from Siemens.