Name: SELEKTA 172 top2 24V
Brand: Theben
SKU: 1724100

Function description

Astronomical time switch with weekly program
2 channels
84 memory locations
Channel 1 or channel 2 can also be used purely as time switch channel
2 external inputs
Connectable sensors (external selector switch, sequence timer, staircase light function)
Connectable switches (ON or OFF permanent switching, astronomical or special program)
3 special programs with yearly date function per channel
Fixed public holidays or date ranges and public holidays dependent on Easter
Astronomical times with other night interruption / fixed ON switching

permanent ON or OFF switching
Count-down timer
Astronomical time switch function (automatic calculation of sunrise and sunset times for the whole year)
Offset for adjusting of sunrise and sunset times
Position data via coordinates or country/city lists can be programmed
Fixed ON-OFF switching times can be programmed (e.g. night time interruption)
Simulation of switching times (calculated astronomical times and programmed ON/OFF switching times)
Reversible astronomical mode (evenings ON - mornings OFF or evenings OFF - mornings ON) or can be deactivated
DuoFix spring terminals
For 2 conductors each
Wire or strand (with or without wire end sleeve)
Wire diameter: 0.5 - 2.5 mm²
Button for releasing plug-in connection
Text-oriented user guidance in display
Preset date and time
fully operable without mains connection
Interface for OBELISK top2 memory card (PC programming)
2. insertable switching program
Copying programs
Storing programs
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
Reset option
Service function for monitoring maintenance intervals
Holiday program
Display back light (can be turned off)
PIN coding
Automatic summer/winter time changeover
can be deactivated
Date rule options are already stored for Europe, the USA and other countries
own date rule options or changeover around set dates are available

Technical data

Operating voltage	12 - 24 V UC
Frequency	50 - 60 Hz
Width	2 modules
Installation type	DIN rail
Type of contact	Two-way changeover contact
Switching output	Phase-independent
Opening width	< 3 mm (µ)
Program	Weekly program, Astronomical program
Program functions	ON-OFF
Number of channels	2
External inputs	2
Number of memory locations	84
Power reserve	10 years
Switching capacity at 250 V AC, cos φ = 1	16 A
Switching capacity at 250 V AC, cos φ = 0,6	2 A
Incandescent/halogen lamp load	1400 W
Energy saving lamps	30 W
LED lamp < 2 W	6 W
LED lamp 2-8 W	20 W
LED lamp > 8 W	25 W
Fluorescent lamp load (electronic ballast)	180 VA
Switching capacity min.	ca. 10 mA
Shortest switching times	1 min
Time accuracy at 25 °C	typical ± 0,25 s/day (quartz)
Time basis	Quartz
Stand-by consumption	~0.2 W
Memory card supplied
Type of connection	DuoFix spring terminals
Display	LCD
Keyboards	4 touch buttons
Housing and insulation material	High-temperature resistant, self-extinguishing thermoplastic
Type of protection	IP 20
Protection class	II according to EN 60 730-1
Voltage	12-24 V UC
Ambient temperature	-30°C ... 55°C

Diagrams

Downloads

Tender text	DOC	SELEKTA-172-top2_1720100 (21,0 kB)
Hand book	PDF	PI_Handbuch_SELEKTA (5,7 MB)
Operating instructions (Smartphone)	PDF	SELEKTA 171_172 top2 24V_mobil (946,8 kB)
Operating instructions	PDF	SELEKTA 171_172 top2 24 V (867,6 kB)
Software	ZIP	OBELISK_top2_3_V3.8.6.1 (92,0 MB)
Data sheet	PDF	SELEKTA 172 top2 24V (712,2 kB)
Brochure	PDF	BRO Switching and dimming LEDs in a safe manner (650,9 kB)
Catalogue	PDF	General catalogue 2024 (25,6 MB)