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Designer Range Modbus Room Thermostats | SST-A24-304 Digital Slimline Room Stat, Modbus Networking, 24V

SST Intelligent Room Thermostat   SST Intelligent Room Thermostat   SST Intelligent Room Thermostat   SST Intelligent Room Thermostat

SyxthSense SST-x-304 are elegant digital room thermostats with a large backlit LCD display. The SST range has internal accurate temperature sensor with option to enable external temperature sensor. If the external sensor has been enabled then the control will be carried out using the external temperature sensor.

SST-x-304 thermostats have lockable keypad to prevent unauthorised change in the settings.  
SST Intelligent Room Thermostat Wiring  
Other advanced features include external override facility to switch the heating system to day mode from a telephone or a mobile phone interface. Thermostats can also be networked to a central system master via Modbus RTU RS-485 communication network.  
SyxthSense SST thermostats have 16A rated output relay allowing them to be used both water based heating systems as well as with electric heating.  
  • 230VAC Power Supply (SST-A230 range) or 24VAC Power Supply (SST-A24 range)
  • 16A SPST Normally Open Relay for Wet System or Electric Heating Control
  • Large Digital LCD with elegant green backlight
  • Flush mounted for designer look, solidly built
  • Celcius / Fahrenheit display
  • Lockable keypad to prevent unauthorised entry
  • Frost Protection Setpoint (active when unit is off)
  • External GSM interface / telephone interface contacts (to override unit on/off remotely)
  • Modbus communication network to network masters
Introduction Video:  
Power Supply:

24 VAC +5%/-15%

Switching Voltage (Relay): 16A 230VAC
Measurement Range: 5..95°C
Accuracy: 0.5°C
Terminals Max 2.5mm2 (min 0.5mm2)
User Interface: Large Backlit LCD Display with Push Buttons
Time Clock: No Time Clock - Use SST-A230-P304 Model if Required
Internal/External Sensor: Yes - configurable (default control after internal sensor)
Floor Sensor: No
Telephone Interface:


Network Communication: Built in RS-485 Modbus Communication to Network Masters
Color: White with Glass Panel
Mounting: Flush Mounting (Wall mounting using a separate box)
Minimum mounting box depth 20mm (to make allowance for cables), fits to standard mounting boxes.
Dimensions: W86 x H86 x D39.5 mm
  SST Room Thermostat Dimensions