Weekly time switch Profi Digital 230V 16A 1-channel 2TE time switch 7LF4 Profi with random, cycle, holiday and weekly program. The digital time switch 7LF4 Profi from Siemens switches electrical consumers reliably to the tenth of a second. With a variety of functions and optionally available accessories, it is suitable for various applications. The digital time switches from Siemens are characterized above all by: 1. Models tailored to requirements for different applications: 1-channel version with 56 and 2-channel version with 28 memory locations per channel. 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. Quick installation on the top hat rail. 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.
| Property | Value |
| Width in modular units: | 2 |
| Number of channels: | 1 |
| Protection class (IP): | IP20 |
| Weekly program: | yes |
| Annual program: | no |
| Voltage type of Supply voltage: | AC |
| Frequency of supply voltage: | 50 to 60 Hz |
| Accuracy per day: | 0.1 s |
| Text guidance in display: | yes |
| 24 h program: | yes |
| 60 min program: | yes |
| Automatic summer/winter time change: | yes |
| Shortest switching time channel 1: | 0.016666666 min |
| Holiday program: | yes |
| Pulse program: | yes |
| Cycle program: | yes |
| Astro program: | no |
| External button input: | no |
| Random program: | yes |
| Operating hours counter: | yes |
| Mains synchronous: | yes |
| Quartz controlled: | no |
| Radio controlled: | no |
| Manual operation: | yes |
| Number of memory locations: | 56 |
| Circuit preselection: | yes |
| Nominal switching current at 250 V AC: | 16 A |
| Potential-free switching contact: | yes |
| Width: | 36 mm |
| Height: | 83 mm |
| Depth: | 70 mm |
