Theben RAMSES 850 top3 OT

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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.

Key specifications

Power supply
Electrical connection
Thermostat type
Room thermostat
mounting style
Finery
Suitable for
Fan heaterRadiator
Smart Home
Not compatible
Items per sales unit
1 pcs.
Documents
Technical data sheet.pdf
Item number
33696328

General information

Manufacturer
Theben
Category
Thermostats
Manufacturer no.
8509200
Release date
17.5.2023

Colour

Colour
White
Exact colour description
RAL 9010

Material

Material group
Metal
Material
Bimetal

Thermostat properties

Thermostat type
Room thermostat
Suitable for
Fan heaterRadiator
temperature control
Manual
Temperature range
2° - 30° C
Thermostat functions
Automatic time changeover summer/winter timeFrost protection settingHoliday modeSuitable for heatingTemperature displayTimerWindow open detection
Display
Led display
mounting style
Finery

Smart home features

Smart Home
Not compatible

Origin

Country of origin
Germany

Voluntary climate contribution

CO₂-Emission
Climate contribution

Safety

Protection type (IP code)
IP40

Power supply

Power supply
Electrical connection

Battery properties

Battery size
Device specific

Scope of delivery

Items per sales unit
1 pcs.
Scope of delivery
Digital clock thermostat RAMSES 850 top3 OT

Product dimensions

Length
2.80 cm
Width
10.70 cm
Height
10.70 cm

30-day right of return
24 Months Warranty (Bring-in)

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Goes with

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
  • Theben
    Not enough data
  • 1.Honeywell
    0 %
  • 1.Oventrop
    0 %
  • 1.TP-Link
    0 %
  • 4.Eberle Controls
    0.2 %

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
  • Theben
    Not enough data
  • 1.Aqara
    0 days
  • 1.Eberle Controls
    0 days
  • 1.Ecoheat
    0 days
  • 1.EQ-3
    0 days

Return rate

How often is a product of this brand in the «Thermostats» category returned?

Source: Digitec Galaxus
  • Theben
    Not enough data
  • 1.EQ-3
    0.1 %
  • 2.Ecoheat
    1.7 %
  • 3.Bosch Smart Home
    1.8 %
  • 4.Homematic IP
    2 %
Source: Digitec Galaxus