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General Catalogue • Technical • tebis.KNX
Light Sensitive Switches
TXA025 Twilight Switch
Function
This product is intended for automatic control of lighting, of
shutters and blinds according to the measured light intensity. When
set lux level is reached, the order of control is transmitted via the Bus
to output modules.
Electrical characteristics
Supply
30 V SELV Bus
• Time delay at the initialisation : 30s
• Adjustment range : 2-200 and 200-2000 lux
• ON / OFF in Manu mode
Environment
• Working temperature : 0 °C to +45 °C
• Storage : -20 °C to +70 °C
Connection
Capacity :
• Flexible : 1
2
to 6
2
• Rigid : 1.5
2
to 10
2
Probe
Use double insulated cable for wiring of the EE003 surface mounted
cell or for lengthening the cable of the EE002 flush mounted cell.
Max. distance : 100m
Overall Size
• Size : 2 Modules (35mm)
Several TX Channels
It is possible to adjust a level by photocell switch. The light intensity
measurement is carried out by a unique probe connected to a
TXA025 which retransmits the value of light intensity to other TXA025
on the system via the EIB Bus.
TXA025
auto
8 6
test
Bus
30 V
EE 002/EE 003
Bus
30 V
86
TXA025
86
TXA025
86
TXA025
TX 025 :
product with cell
TX 025 :
product without cell
Auto / Manual / Test
Switch
Calibre selection light
Push button and
physical addressing
LED
Potentiometer
adjustment of the
light intensity level
Signalling light of
level overrun
Push button
Light intensity cell
EE002 or EE003




