![Belimo 01ST-5Q3 Contact Temperature Sensor passive, NTC20k, Probe diameter 0.24" [6 mm], cable 2 m, 2-wire](https://hsgroupexport.com/wp-content/uploads/2025/08/PIC_AM_01ST-5._4C-product_retina-1-300x300.jpg)
Siemens S55720-S550 Wireless Sensor,
The wireless sensor solution enables smooth connectivity
and flexible integration in commercial buildings. Based
on KNX IoT via Thread communication, your building’s
information is quickly collecte without wiring and can
integrate into your automation, building management
systems (BMS), cloud or third-party system.
Wireless room sensors simplify installation by minimizing
wiring efforts and offering versatile placement options for
optimal positioning. Choose from either Temperature or
Temperature & Relative Humidity (RH) variants. Sensors
are battery operate with 2x AAA batteries. A BACnet IP
gateway and optional thread mesh extender are available.
Applications
● Wireless
