Theben Catalogue 2014/15. Save energy – Increase comfort.

Time and light control
Digital time switches with astronomical program, DIN rail, 2 modules
2
SELEKTA 170 top2 SELEKTA 171 top2 RC SELEKTA 172 top2
Description
Common functions
- Astronomical time switch with weekly
program
- Astronomical time switch function
(automatic calculation of sunrise and
sunset times for the whole year)
- DuoFix spring terminals
- Text-oriented user guidance in display
- Interface for OBELISK top2 memory card
(PC programming)
- 10 year power reserve (lithium battery)
- Zero-cross switching for relay-saving
switching and high lamp loads
(not with 24 V devices)
- Calculated astronomical switching times
- Programmable ON-OFF switching times
- Switching preselection
- Permanent switching ON/OFF
- Integrated operating hour counter
- Holiday program
- Display back light (can be turned off)
- PIN coding
- Automatic summer/winter time changeover
SELEKTA 170 top2
- 1 channel
- 56 memory locations
SELEKTA 171 top2 RC
- Time synchronisation via connection of
external DCF or GPS antennas, additional
posititioning for astronomical program with
GPS (GPS not with 24 V device)
- Additional power unit required for GPS if only
one device is connected to the antenna
- 1 channel
- External input
- 84 memory locations
- 3 special programs with yearly date function
per channel
- Count-down timer
SELEKTA 172 top2
- 2 channels
- 84 memory locations
- Channel 1 or channel 2 can also be used
purely as time switch channel
- 2 external inputs
- 3 special programs with yearly date function
per channel
- Count-down timer
Product selection
Program
Number of
channels
External inputs Time basis Operating voltage Type Article
number
Weekly program,
astronomical
program
1 – Quartz 230–240 V AC SELEKTA 170 top2 1700100
12–24 V UC SELEKTA 170 top2 24V 1704100
1 Quartz/DCF77/GPS 230–240 V AC SELEKTA 171 top2 RC 1710100
12–24 V UC SELEKTA 171 top2 RC 24V 1714100
2 2 Quartz 230–240 V AC SELEKTA 172 top2 1720100
12–24 V UC SELEKTA 172 top2 24V 1724100
20
Additional technical data at: www.theben.de/product/ Article number