XH-W3001 DC 24V 240W Digital Microcomputer Thermostat Switch

XH-W3001 DC 24V 240W Digital Microcomputer Thermostat Switch is a crucial component for precision temperature management within DC-powered systems. This versatile digital thermostat precisely controls heating and cooling elements using a high-accuracy NTC probe. Consequently, it enables flawless operation across a wide temperature spectrum from −50°C to +110°C. The DC 24V input voltage is ideal for automotive, solar, or industrial low-voltage applications, and its robust 10 Ampere (240 Watt) relay effortlessly manages various loads. Therefore, designers frequently integrate the XH-W3001 into systems requiring reliable, programmable on/off temperature regulation, and it offers superior control accuracy compared to traditional mechanical switches.

Key Features:

• High-Precision Control: The microcomputer reliably monitors and controls temperature with a fine resolution of 0.1°C, ensuring optimal environmental stability.
• Wide Operating Range: It operates across an expansive temperature range from −50°C to +110°C, offering versatility for both extreme cooling and moderate heating applications.
• Heating and Cooling Modes: The user easily configures the device for either heating or cooling functionality by simply setting the Start and Stop temperatures.
• DC 24V Compatibility: This model specifically accepts a direct 24 V_DC input, perfectly integrating with standard industrial and solar battery power systems.
• Integrated Display: A bright, intuitive LED display provides real-time temperature feedback and clearly indicates the device’s operational status.

Technical Specifications:

• Power Supply Voltage: DC 24 V
• Maximum Load Power: 240 W (Max. 10 A)
• Temperature Measurement Range: −50°C to +110°C
• Control Accuracy: ±0.1°C
• Measurement Input: NTC 10K Waterproof Sensor (1 meter cable length)
• Output Type: Direct Output (10 A Single Relay)
• Hysteresis Adjustment: Programmable via Start/Stop temperature settings.

Mechanical Specifications:

• Housing Material: Durable ABS Plastic (Flame Retardant)
• Display Type: 3-Digit Red LED
• Mounting: Panel or Surface Mount (utilizes screw terminals)
• Sensor Protection: Stainless steel probe sleeve, providing corrosion resistance.
• Durability: Engineered for continuous use in commercial and amateur environments.

Dimensions:

• Module Dimensions (L×W×H): ≈ 60 × 45 × 31 mm
• Mounting Hole Pitch: ≈ 73 mm (Common standard for controllers)
• Cable Length (Sensor): ≈ 100 cm (1 meter)
• Weight: ≈ 60 g (Lightweight for flexible installation)

Pinout and Wiring:

• Red Wire (Power +): Connect the positive terminal of the 24 V_DC power supply here.
• Black Wire (Power −/GND): Connect the negative terminal of the 24 V_DC power supply here.
• Yellow Wire (Load +): This is the switched positive output; connect it to the positive side of your load (e.g., heating element).
• Black Wire (Load −/GND): Connect this wire to the negative side of your load. Note that this wire usually passes the common ground through to the load.
• Sensor Input: The two wires from the NTC probe connect to the dedicated sensor pins on the board (often labeled T/T).

Datasheet Reference:

• Download XH-W3001-24V Thermostat Datasheet

Commonly Used in:

• Aquaculture and Hydroponics: Maintaining precise water temperatures for tanks, fish breeding, and nutrient solutions.
• Brewing and Fermentation: Controlling the temperature of fermentation chambers for beer, kombucha, and wine production.
• DC Cabinet Heating/Cooling: Regulating the internal temperature of low-voltage electrical cabinets and solar enclosures.
• DIY Incubators: Providing a consistent heat source and preventing excessive temperature swings for egg incubation.

Applications:

• Thermostatic Control: Directly switching small DC heaters, fans, and Peltier modules based on programmable set points.
• Alarm Triggers: Configuring the module to activate external alerts when the temperature exceeds or drops below predefined safety limits.
• Exhaust Fan Automation: Automatically engaging ventilation systems to maintain optimal heat levels in grow tents or small server racks.
• Temperature Logging: Users can interface the module with data loggers, consequently using it as a reliable digital temperature sensor.

Equivalent Models:

• W1209 and W1219 Series: These modules offer similar basic temperature control functionality, however, the XH-W3001 often provides a complete housing for easier mounting.
• XH-W3002: An upgraded model that typically features a higher load capacity (up to 1500W AC or higher current DC) and sometimes additional functions.
• STC-1000 DC Variant: Another popular digital controller, furthermore, the XH-W3001 is simpler to wire since it uses a direct output configuration.

Package Includes:

• 1 x XH-W3001 DC 24V Digital Thermostat Module
• 1 x 1-Meter NTC 10K Waterproof Temperature Probe