15 Technical data
15.1 Technical data
Thermostat T-143, T-145, T-146, and T-148
IP IP20, class III (IP: degree of inaccessibility to active parts of the product
and degree of water)
Max. ambient RH (relative humidity) 85% at 20 °C
CE marking
ERP IV
Low voltage tests EN 60730-1* and EN 60730-2-9***
EMC (electromagnetic compatibility requirements) tests EN 60730-1
Power supply From room controller
Voltage 4.5 V to 5.5 V
Rated impulse voltage 0.33 kV, OVC I
Pollution degree 2
Software class A
Operating temperature 0 °C to +45 °C
Storage temperature -10 °C to +70 °C
Connection terminals 0.5 mm² to 2.5 mm²
Thermostat T-141 and T-149
IP IP20, class III (IP: degree of inaccessibility to active parts of the product
and degree of water)
Max. ambient RH (relative humidity) 85% at 20 °C
CE marking
ERP IV
Low voltage tests EN 60730-1* and EN 60730-2-9***
EMC (electromagnetic compatibility requirements) tests EN 60730-1
Power supply From room controller
Voltage 4.5 V to 5.5 V
Rated impulse voltage 0.33 kV, OVC I
Pollution degree 2
Software class A
Operating temperature 0 °C to +45 °C
Storage temperature -10 °C to +70 °C
Connection terminals 0.25 mm² to 0.75 mm² solid, or 0.34 mm² to 0.5 mm² flexible with ferrules
Communication module R-208
IP IP20, class III (IP: degree of inaccessibility to active parts of the product
and degree of water)
Max. ambient RH (relative humidity) 85% at 20 °C
CE marking
Low voltage tests EN 60730-1* and EN 60730-2-9***
EMC (electromagnetic compatibility requirements) tests EN 60730-1 and EN 301-489-3
ERM (electromagnetic compatibility and radio spectrum matters) tests EN 300 220-3
Power supply From room controller
Pollution degree 2
Software class A
Operating temperature 0 °C to +45 °C
Storage temperature -20 °C to +70 °C
Wi-Fi connectivity 802.11 b/g/n @2.4Ghz
Wi-Fi security WPA & WPA2
Radio frequency 868.3 MHz
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