

The THERMASGARD® FSTF room temperature measuring transducer is used for air temperature measurement or setpoint adjustment, for presence detection or as a room control and operating device with temperature sensor, push-buttons, potentiometers and status indicators (LEDs).
The in-wall transmitter is mounte either individually or in combination with light switches, socket outlets, etc. in high-quality panel switch brand programmes, such as preferably from Gira, Berker, Merten, Jung, Siemens or Busch-Jaeger (with in-wall adapters).
It is used in non-aggressive, dust-free environments, in refrigeration, air conditioning and cleanroom engineering, and in interior spaces, such as living rooms, offices, hotels, etc.
Measuring ranges
–30...+60 °C
Range suppression
in the button
Electrical connection
via plug terminals, 0.14 - 1.5 mm²,
on safety extra-low voltage only, max. 42 V AC, 60 V DC
Installation
in in-wall flush box Ø 55 mm
Permissible air humidity
max. 90 % r. H., non-precipitating air
Protection class
III (according to EN 60 730)
Protection type
IP 20 (according to EN 60 529)
Sensor
LM235Z
Measuring transducer
power supply 24 V DC, range
0...+50 °C (other ranges optional)
Testing current
400 A...5 mA
Housing
plastic, colour pure white glossy (similar to RAL 9010)
(other colours are possible on request with colour variants
depending on the respective switch programme)
Manufacturer
GIRA System 55 Standard