Siemens Digital DIN Rail Time Switch 230 V ac, 1-Channel

Digital Time Switches 7LF4 series with text-assisted programming directly on the device.

ASTRO digital time switches
Weekly program
Astro function
Vacation program
1 h test
Input disable via PIN code
Operating hours counter, counting range: 65535 h
Random program
Automatic daylight-saving adjustment
Daylight-saving adjustment half-year correction
Expert mode
Synchronization 50/60 Hz
1 channel version with 56 programs
2 channels version with 56 programs (28 per channel) and channel changeover function
With text-assisted programming concept, in 15 languages
Simple program creation by means of PC using the software included with the 7LF4941-0 USB adapter (stock-no. 834-7540)
Additional data key (stock-no. 834-7559)