XH-W1209 12V Digital Temperature Controller Module with LED Display with NTC Sensor | Thermostat Control Switch for Cooling & Heating Systems

Technical Specifications

• Model: XH-W1209
• Operating Voltage: 12V DC
• Temperature Measurement Range: -50°C to +110°C
• Control Accuracy: ±0.1°C
• Display: 3-digit red 7-segment LED
• Sensor Type: NTC 10K Thermistor with cable
• Relay Output:
  • 10A / 250V AC
  • 10A / 12V DC
• Working Mode: Heating (H) / Cooling (C)
• Temperature Calibration: Yes (P4 Menu)
• Hysteresis Setting: Adjustable (P1 Menu)
• Delay Start: Yes (P5 Menu)
• High-Temperature Alarm: Yes (P6 Menu)
• Dimensions: Approx. 48 × 40 mm
• Mounting: PCB screw holes

Technical Description

The XH-W1209 12V Digital Temperature Controller Module is a compact, low-cost thermostat control board designed for accurate temperature monitoring and automatic switching of heating or cooling devices. Equipped with a bright 3-digit LED display and a high-precision NTC 10K temperature sensor, this module offers easy temperature setting, calibration, hysteresis configuration, and dual-mode operation (Heating/Cooling).

Thanks to its high-power 10A relay, the W1209 can directly control motors, fans, heaters, coolers, incubators, water tanks, AC appliances, and DIY automation projects. The user-friendly 3-button interface makes it simple to set temperature limits, startup delay, and safety alarms.

Perfect for Arduino projects, incubators, aquariums, home automation, temperature-controlled switches, and electronic DIY systems, the XH-W1209 offers high reliability at an affordable price.