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3.4 Technical specifications
Designation:
SEL 173 DCF
Type of program:
Day/7-day/year
Operating voltage:
230 V ± 10 % or 110 V ± 10%
Rated frequency:
50-60 Hz
Internal consumption:
Max. 3 W
Switching capacity:
2 x 16 (10) A, 250 V~
Contact material:
AgSnO 2
Type of contact:
Changeover contact
Time base:
Quartz
Memory locations:
122 of which two are allocated for
astronomical switching times.
Shortest switching interval:
1 minute
Switching accuracy:
Exact to the second
Operating accuracy:
± 1 sec/day at 20 °C
Power reserve:
Lithium cell approx. 1.5 years at 20 °C
Permitt. ambient temp.:
– 10 °C ... + 50 °C (– 10T50)
Class of protection:
II acc. to EN 60335 when mounted
Degree of protection:
IP 20 acc. to EN 60529
Type:
1 BSTU acc. to EN 60730-1, -2 - 7
Time switch with DCF antenna
Time base:
Radio precision
(on quartz mode power reserve)
Max. distance from radio antenna: Approx. 200 m
Degree of protection of antenna:
IP 54 acc. to EN 60529
Max. connection to one antenna:
10 devices
Technical data on device nameplate may vary - please check !
Right reserved to effect technical improvements.
Note
The time switches are in accordance with the European directives 73/23/EEC.
(Low-Voltage Directive) and 89/336/EEC (EMC Directive).
If the time switches are used together with other devices in an installation, take
care that the complete installation does not cause any radio interference.
3.5 Dimensional illustration
The dot-dash line represents the dimensions of the add-on installation kit
907 0 053.
62
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