Thermostats and Controllers

RDS120 Series

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RDS120 Series

RDS120 Smart Thermostat (Wi-Fi) RDS120 Series

RDS120 Smart Thermostat (Wi-Fi)


The Siemens RDS120 Smart Thermostat is an HVAC thermostat for use in light commercial and managed residential applications, including dormitories, multi-use space and residential systems. This 24 Vac thermostat provides control for conventional HVAC systems with up to three heating stages and two cooling stages or heat pumps with up to two compressors and two stages of auxiliary heat that are most commonly used. The Wi-Fi-enabled connection provides intuitive remote user control using a mobile phone application available for Apple iOS and Android users. Kele is the leading supplier of building automation products. When you need the right product, right now, count on Kele.


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  • Intuitive navigation.
  • Built-in presence detector switches from economy mode to comfort in case of occupancy
  • Green Leaf to ensure energy-optimized operation
  • Energy consumption report (HVAC) raises awareness among users about reducing energy costs
  • Navigation wizard for fast and guided commissioning
  • Two-step independent commissioning for new building without tenant
  • Automatically online software upgrade
  • Indoor air quality monitoring
  • Humidity and temperature monitoring and control
  • Mobile Application for IOS and Android

Supply Voltage:AC 24 V (±20%)

at 48-63 Hz:

Current:Min. 0.02 A, Max. 1 A per output

Setpoint Range:45-95℉ (7-35℃)

Temperature Sensor:

 :Range 32-122℉

 :Accuracy ±0.9℉ or 0.5℃

 :Display Resolution 1℉ (0.5℃)

Humidity Sensor:

 :Range 0-100%

 :Accuracy ± 5% R.H.

 :Display Resolution 1%

Mounting:Mounting hardware for installation on 2''×4'' electrical box or directly on drywall

Dimensions :H 3.58” x W 3.58” x D 1.02”

Weight:9.5 oz (268 g)