USB adapter and software timer 7LF4 Expert and Expert GPS with annual program and many other functions. The digital timers 7LF4 Expert and Expert GPS from Siemens are ideal when switching times for electrical consumers can be planned long-term. With the annual program, switching times can be set for a whole year in advance, taking into account holidays, vacation times and individual appointments. The digital timers from Siemens are characterized above all by: 1. Models tailored to requirements for different areas of application: 4-channel version with 336 memory locations (7LF4 Expert), 1-channel version with 84 and 2-channel version with 42 memory locations per channel (7LF4 Expert GPS). 2. User-friendly menu for on-site programming and convenient programming on the PC using a data key. 3. Secure data retention thanks to backup battery and PIN code lock. 4. Easy expansion of the 7LF4 Expert GPS to include an astro function with an optionally available GPS receiver. www.siemens.de/lowvoltage. Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, distribution systems as well as switches and sockets for safe, efficient electrical infrastructure in buildings and industry.
