weekly time switch Astro digital 230 V 16A 2-channel 2MW Digital time switch SENTRON 7LF4 for time-controlled switching of electrical loads, e.g. lighting. The digital time switches from Siemens have many and very flexibly adjustable switch-on and switch-off times. With the USB adapter, which can be ordered separately, programming can be done conveniently at the computer and transferred directly into the time switch using a data key. The 7LF4 timers are available in various versions as Mini, Top, Profi or Astro with automatic sun-tracking control. 7LF timers - Safety, comfort and energy saving.
Management and Measuring Devices
Weekly time switch Astro Digital 230V 16A 2 channels 2MW
Nortécnica Ref:
EAN:
4001869473581
Description
Technical Information
Attributes
Mounting method
DIN rail
Width
36
Height
83
Depth
70
Number of contacts
2
Number of memory locations
28
Astro program
Yes
Number of channels
2
Radio-controlled
No
Weekly program
Yes
Annual program
Yes
Contact type
-
GPS global positioning system
-
Width in number of modular spacings
2
60 min program
Yes
24 h program
Yes
Holiday program
Yes
Random program
Yes
Impulse program
Yes
Cycle program
Yes
Mains synchronous
Yes
Quartz controlled
No
Automatic switching summerwinter time
Yes
Suitable for manual operation
Yes
Switching preselection
Yes
Voltage type supply voltage
AC
Potential free switch contact
Yes
External programming
-
Radio-controlled DCF77
-
Supply voltage
-
Hour meter
Yes
Frequency supply voltage
50
Autonomy in years
-
Autonomy in hours
-
EF004855
0.016666666
EF004856
-
Nominal switching current at 250 V AC
16
Text guidance in display
Yes
Degree of protection IP
IP20
Accuracy per day
0.1
External push button input
No
With memory card
-
Max. switching power LED
-
Brands
SIEMENS
Long Description
weekly time switch Astro digital 230 V 16A 2-channel 2MW Digital time switch SENTRON 7LF4 for time-controlled switching of electrical loads, e.g. lighting.
The digital time switches from Siemens have many and very flexibly adjustable switch-on and switch-off times. With the USB adapter, which can be ordered separately, programming can be done conveniently at the computer and transferred directly into the time switch using a data key.
The 7LF4 timers are available in various versions as Mini, Top, Profi or Astro with automatic sun-tracking control.
7LF timers - Safety, comfort and energy saving.