Eurotronic Stella R EnOcean (A5-20-06) Radiator Thermostat

The Eurotronic Stella R EnOcean is an intelligent, programmable heating actuator based on the proven EnOcean wireless standard. It enables energy-efficient and comfortable heating control without additional wiring. Thanks to its high reliability, long battery life, and versatile functions, it is ideal for residential and commercial units such as offices, hotels, or apartments. The simple installation and the included adapters make setup particularly easy.

Highlights

• EnOcean wireless standard for cable-free integration
• Energy-efficient and sustainable – battery life up to 5 years
• Easy installation with compatible valve adapters (Danfoss RA, RAV, RAVL)
• Manual adjustment possible at any time via rocker switch
• Frost protection, open-window detection, and lime protection function
• Closing point control and configuration visible in EEP
• High wireless range: up to 30 m indoors

Technical Data

• Wireless standard: EnOcean (EEP A5-20-06)
• Power supply: 2x 1.5 V LR6 / AA batteries
• Battery life: approx. 5 years (depending on usage)
• Actuating force: 125 N
• Valve stroke: 4.8 mm
• Temperature range: 8 °C to 28 °C
• Operating temperature: 0 °C to +50 °C
• Dimensions (W x H x D): 50 x 85 x 71 mm
• Thread connection: M30 x 1.5 (adapters for Danfoss RA, RAV, RAVL included)
• Protection class: IP30
• Radio frequency: 868 MHz
• Range: approx. 30 m indoors, up to 300 m in open field