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Room thermostat SFD20 series with digital display

The temperature controller is available in two versions. The room thermostat SFD20 with switching output and the smart home thermostat SFD20-KNX with interface to the KNX bus.

Digital room thermostat – also as KNX solution

The SFD20-KNX thermostat is
Smart Home capable

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Smart Home
capable
Smart Home
capable
The room thermostat can be integrated into any KNX system, allowing centralized control of multiple interconnected household appliances.
raumthermostate-sfd20-serie-sensortasten
Operation by
Sensor keys
Operation by
Sensor keys
The touch operation is characterized by a smooth surface and thus nestles inconspicuously into the spatial conditions.
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With LED
Temperature display
With LED
Temperature display
The LED display not only looks clear and stylish, but is equally resource-saving and cost-saving.
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OEM versions
with your logo
OEM versions
with your logo
For our OEM partners all products are also available with individual logo.
Room thermostat with optical temperature display
Berker
(B.3; B.7; S.1)
Gira
(E2; Event; Esprit)
Jung
(AS 500 (AS 581); Serie A)
Merten
(M (M-Smart))
Suitable for the common programs of leading switch frame manufacturers.
Learn more

Our SFD 20 in application

The room thermostat with display offers functional diversity

  • Operation via three capacitive keys
  • Automatic valve training
  • Service menu for sensor calibration and other options
  • LED temperature display
  • Display room temperature (idle state)
  • Set temperature is displayed during setting
Technical data
SFD 20.T
Set point
from +5 to +35°C
Switching differential
adjustable from 0,2 to2,0 K
Temperature sensor
Internal semiconductor sensor
Operation
3 capacitive keys
Display
3 Digit LED 15mm, dimmable
Operating voltage
SFD 20.T
SFD 20.T/1
230 V AC 50/60Hz
SFD 20.T/2
24 V AC 50/60Hz
Output
Triac output with potential
Max. permissible switching current SFD 20.T/1
0,8 A / 230 V AC (resistive load)
Max. permissible switching current SFD 20.T/2
0 , 8 A / 2 4 V A C (resistive load)
Power consumption
0,5 VA
Functional input
Optionally for setback signal or heating / cooling switchover
Electrical connections
Push-in ports
Operating principle
1.C
Permissible ambient temperature
from 0 to +40°C, non condensing
Storage temperature
from -10 to +70°C
Housing
SFD 20.T
Material
Upper part PC (flame retardant), lower part PA6 GF30
Flame protection
UL94 V-0
Protection type
IP 30
Protection class
II
Measures
81 x 81 x 16 (36) mm (B x H x T)
Mounting
on flush-mounted box
Weight
ca. 85 g
Clever heating = saving money!
With the new generation of 2-wire technology, old bi-metal
old bi-metal controllers without any problems.
Contact us now

Housing dimensions (mm)

Possibilities and advantages of our
Room thermostats SFD 20

Suitable for any water-bearing heating and cooling system

Heating

Heating & cooling

Antifreeze

For water-bearing heating & cooling systems

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