programmable fan controller, 3 speed, auto and manual mode, override mode,24vdc power supply

TR3100FAN Programmable 3-speed Fan ControllerFeaturesTo control 3-speed fan only; White back light;4 programmes per day;7 days programmable( each day can be different);Fan fail alert;Auot / manual mode;Override function;Key lock function;SpecificationsPower supply: 230VAC (12VDC optional)Inputs: 1 x NTC built-in temperature sensorOutput: 1 x 3-speed fan, max 200wattsAmbient temperature: 0 °C [+32 °F] ~ +45 °C [+113 °F]Operating RH: 0~95% (non condensing). Dimensions: 86mm x 86mm x13mmDisplay Size: 65 x 48mm. Backlight life: 5,000 hours.Battery type: CR 1220 (Backs up clock only)Battery life: > 5years (10 years Maximum)

programmable 3-speed fan controller