General
Application	Control of electrical users
Material	Plastic
Material quality	Thermoplastic
Surface protection	Lacquered
Surface finishing	Matt
Colour	Grey
Number of buttons	1
Suitable for application with dimmer
Suitable for application with venetian shutter switch
Suitable for application with switch
With cover
Halogen free
Transparent
With LED indication
IFTTT support available

System 3000 room temperature controller display matt gray (painted) System 55 - Operation via capacitive sensor surface. - Manual and time-controlled control of the room temperature. - Current time can be saved as a switching time, quick programming. - Automatic summer/winter time changeover, can be switched off. - Timer with three memory areas per memory area comfort and setback time for Mon-Fri and Sat+Sun. - Setting a comfort, setback, cooling and frost protection temperature. - Controller output: pulse width modulation (PWM) or 2-point control. - Heating optimization (temperature is reached at the set time). - Adaptation to valves (normally open or normally closed). - Activation of cooling mode via the insert. - Supports internal and external temperature sensors. - Temperature drop detection. - Operating lock. - Valve protection function. - Display switches off after 2 minutes, permanent display of the current time possible. - The combination of attachment 5394xx with 540700 is only possible from I05 (index).