Smart thermostat mounted on decorative wall
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RAMSES 812 top3

Item no.: 8120200

The RAMSES 812 top3 is a modern digital clock thermostat designed for precise, time-dependent room temperature control. Suitable for flush-mounted or wall installation, it combines a sleek flat design with intuitive operation directly on the device or via smartphone app using Bluetooth Low Energy (BLE)—no internet required.

With 3 programmable weekly schedules plus comfort, eco, and setback modes, it ensures energy-efficient heating management in homes, apartments, and offices. An illuminated display makes operation simple, while the app offers convenient configuration from a phone or tablet.

The thermostat also includes an external input for connecting a sensor, detector, or telephone contact, and uses an intelligent control algorithm (pulse-width modulation, hysteresis control) for accurate and efficient performance. With 10 A switching capacity, low standby consumption, and a 4-hour power reserve, the RAMSES 812 top3 is a dependable choice for modern heating control.


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RAMSES 812 top3

RAMSES 812 top3

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Function description

  • Digital clock thermostat in flat design for time-dependent monitoring and control of room temperature
  • Operation on device or via app
  • Mains version
  • Installation on flush-mounted box or wall installation possible
  • Direct Bluetooth Low Energy (BLE) connection between app and clock thermostat, no communication via the Internet
  • Settings configured conveniently via the app with intuitive operation from a smartphone or tablet
  • Increased user convenience
  • 3 individually programmable weekly programs, as well as comfort, eco and setback function
  • Suitable for energy-saving room temperature regulation in houses, apartments, etc.
  • Illuminated display through keystroke
  • External input for the flexible connection of the external room temperature sensor, floor sensor, motion detector or telephone contact
  • Intelligent control algorithm (pulse-duration controller, hysteresis controller)
    Suitable for on/off heating systems, zonebased or single-room control, electric heating units

Technical data

Specification Details
Operating voltage 230 V AC
Frequency 50 Hz
Type of contact NO contact
Switching capacity 10 A at 250 V AC, cos φ = 1, 2 A at 250 V AC, cos φ = 0.6
Setting range temperature 2°C … 30°C
Setting range frost protection 2°C … 10°C
Time basis Quartz
Program Weekly program, Daily program, Holiday program, 3 basic programs
Number of memory locations 42
External inputs 1
Control types Pulse width modulation, Hysteresis controller
Control period 5 – 30 min
Control capture range ±0.2 – ±5 K
Control accuracy ≤ ± 0.2 K
Mode of operation Type 1 B as per EN 60730-1
Switching output Potential-free, not for SELV
Suitable for SELV No
Switching hysteresis ±0.2 – ±1 K
Time accuracy at 25 °C ≤ ± 1 s/day (quartz)
Power reserve 4 hours
Installation type Wall installation (also on flush-mounted socket possible)
Type of protection IP 40
Protection class II according to EN 60 730-1

Downloads

Instruction Manual PDF Instruction Manual
Datasheet PDF Data sheet
User Manual PDF User Manual

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