Theben RAMSES 850 top3 OT
Product details
The RAMSES 850 top3 OT from Theben is a digital clock thermostat that enables time-dependent monitoring and control of room temperature. It offers user-friendly operation both directly on the device and via an app that utilizes a direct Bluetooth Low Energy connection. The power supply is provided through the OpenTherm bus, ensuring efficient communication with the heating system. The thermostat is designed for energy-saving applications in single-family homes and apartments, offering a variety of features, including three individually programmable weekly programs as well as comfort, eco, and setback functions. The illuminated display enhances usability, while the external input allows for flexible connection of additional sensors or devices. With its robust construction and IP40 protection rating, the RAMSES 850 top3 OT is both functional and durable.
- Direct Bluetooth Low Energy connection for easy app control
- Three individually programmable weekly programs for flexible temperature control
- External input for additional sensors such as floor sensors or motion detectors
- Illuminated display for better visibility when pressing buttons
- Suitable for modulating heating systems with OpenTherm interface.
Power supply | Electrical connection |
Thermostat type | Room thermostat |
mounting style | Finery |
Suitable for | Fan heater, Radiator |
Smart Home | Not compatible |
Items per sales unit | 1 pcs. |
Documents | Technical data sheet.pdf |
Item number | 33696328 |
Manufacturer | Theben |
Category | Thermostats |
Manufacturer no. | 8509200 |
Release date | 17.5.2023 |
Colour | White |
Exact colour description | RAL 9010 |
Material group | Metal |
Material | Bimetal |
Thermostat type | Room thermostat |
Suitable for | Fan heater, Radiator |
temperature control | Manual |
Temperature range | 2° - 30° C |
Thermostat functions | Automatic time changeover summer/winter time, Frost protection setting, Holiday mode, Suitable for heating, Temperature display, Timer, Window open detection |
Display | Led display |
mounting style | Finery |
Smart Home | Not compatible |
Country of origin | Germany |
CO₂-Emission | |
Climate contribution |
Protection type (IP code) | IP40 |
Power supply | Electrical connection |
Battery size | Device specific |
Items per sales unit | 1 pcs. |
Scope of delivery | Digital clock thermostat RAMSES 850 top3 OT |
Length | 2.80 cm |
Width | 10.70 cm |
Height | 10.70 cm |
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Reviews & Ratings
Warranty score
How often does a product of this brand in the «Thermostats» category have a defect within the first 24 months?
Source: Digitec Galaxus- ThebenNot enough data
- 1.Honeywell0 %
- 1.Oventrop0 %
- 1.TP-Link0 %
- 4.Eberle Controls0.2 %
Warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec Galaxus- ThebenNot enough data
- 1.Aqara0 days
- 1.Eberle Controls0 days
- 1.Ecoheat0 days
- 1.EQ-30 days
Return rate
How often is a product of this brand in the «Thermostats» category returned?
Source: Digitec Galaxus- ThebenNot enough data
- 1.EQ-30.1 %
- 2.Ecoheat1.7 %
- 3.Bosch Smart Home1.8 %
- 4.Homematic IP2 %