Schneider Electric Spacelogic Thermostat, TC903 has 100 kOhm NTC thermistor sensor type This thermostat has setpoint adjustment, fan control, mode selection, economiser, disable functions, alarm & low temperature protection functions This thermostat has mechanical control for thermostat, 2 positions ON-OFF button for actuator & 3 speed control relay for fan The following information is displayed on Backlit LCD screen: Ambient room temperature 0 to 50 °C, Time, Day, Temperature alarm, Communication status ok, Current program 2-pipe system thermostat is suitable for small buildings, hotels, healthcare sector & residential areas Thermostat has IP20 degree of protection Measurement accuracy: Temperature: +/- 1 °C, Output voltage: 240 V AC 5 A for relay, 240 V AC 2 A for load, Connections - terminals: Screw terminal (back) - 2 cable(s) 1.5 mm², Screw terminal (back) - 1 cable(s) 2.5 mm², Max power consumption: 1 W Temperature setting range: 5-35 °C, Relative humidity: 5-95 %, Ambient air temperature for operation: 0-50 °C, Standards: EN/IEC 60730-1, EN/IEC 60730-2-9, Product certifications: CE, Pollution Degree: 2