Weekly time switch ASTRO digital 230 V 16 A 1-channel 2MW.
231.36€
Включая НДС
Артикул: 7LF4531-0
ЦИФРОВОЙ ТАЙМЕР ASTRO 1ПК 230V Time switch 7LF4 Astro for flexible or sunrise and sunset-adjusted switching. The 7LF4 Astro digital time switch from Siemens switches electrical devices in line with local sunrise and sunset times, or variably at specified switch-on and switch-off times exact to one tenth of a second. Key features of the digital time switch from Siemens: 1. Automatic calculation of daily sunrise and sunset times. 2. Models to meet requirements for a range of fields: 1-channel version with 56 and 2-channel version with 28 memory locations per channel. 3. User-friendly menu for local programming and easy programming on the PC with data keys. 4. Secure data receipt with backup battery and PIN code block. www.siemens.com/lowvoltage. Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, distribution systems as well as switches and sockets for safe and efficient electrical infrastructure in buildings and industry.
Параметры
| Mounting method | DIN rail |
| Width | 36.0 |
| Height | 83.0 |
| Depth | 70.0 |
| Number of memory locations | 56 |
| Astro program | Да |
| Number of channels | 1 |
| Radio-controlled | Нет |
| Weekly program | Да |
| Annual program | Да |
| Contact type | Change-over contact |
| GPS (global positioning system) | - |
| Width in number of modular spacings | 2 |
| 60 min. program | Да |
| 24 h program | Да |
| Holiday program | Да |
| Random program | Да |
| Impulse program | Да |
| Cycle program | Да |
| Mains synchronous | Да |
| Quartz controlled | Нет |
| Automatic switching summer-/winter time | Да |
| Manual operation | Да |
| Switching preselection | Да |
| Voltage type of supply voltage | AC |
| Potential free switch contact | Да |
| External programming | - |
| Radio-controlled (DCF77) | - |
| Supply voltage | - |
| Hour meter | Да |
| Frequency supply voltage | 50 |
| Autonomy in years | - |
| Autonomy in hours | - |
| Shortest switching time channel 1 | 0.016666667 |
| Shortest switching time channel 2 | - |
| Nominal switching current at 250 V AC | 16 |
| Text guidance in display | Да |
| Degree of protection (IP) | IP20 |
| Accuracy per day | 0.1 |
| External pushbutton input | Да |
| Memory card included | - |