W3230 Digital Temperature Controller AC100V-220V

The W3230 Digital Temperature Controller is a versatile and compact temperature control module designed for both heating and cooling applications. It operates directly on AC 100V–220V power and supports precise temperature measurement and relay-based switching control. Ideal for incubators, aquariums, fermentation setups, and DIY thermal projects, the W3230 offers a clear digital display, configurable parameters, and user-friendly interface.

Key Features of W3230 Digital Temperature Controller:

• Wide Input Voltage: Operates directly from 100V–220V AC power supply.
• Dual Function: Supports both heating and cooling mode switching.
• High Precision: Temperature accuracy up to ±0.1°C with 0.1°C resolution.
• Digital Display: Bright LED display for current temperature and set values.
• Relay Output: Can control AC-powered devices such as heaters and fans.
• Temperature Probe Included: Comes with waterproof NTC sensor for reliable sensing.

Technical Specifications of W3230 Digital Temperature Controller:

• Power Supply: AC 100V – 220V
• Temperature Range: -50°C to 110°C
• Measurement Accuracy: ±0.1°C
• Output Type: Relay, NO/NC contacts
• Control Accuracy: 0.1°C
• Sensor Type: Waterproof NTC (10K) B3950 Thermistor
• Relay Load Capacity: 10A 220V AC / 10A 12V DC
• Display Type: Red LED 3-digit

Mechanical Characteristics of W3230 Temperature Controller:

• Enclosure Type: Plastic casing with mounting holes
• Mounting Method: Panel mount with screw holes
• Operating Temperature: -10°C to 60°C
• Storage Temperature: -20°C to 80°C

Dimensions of W3230 Digital Temperature Controller:

• Length: 78mm
• Width: 43mm
• Thickness: 26mm

Schematic Diagram, Connection, Wiring and Pinout of W3230:

• AC Input: Connect 100V–220V AC to L and N terminals.
• Sensor Connection: NTC sensor plugs directly into designated socket.
• Output Terminals: Relay terminals connect to load (heater/cooler).
• Display: Shows measured temperature and control status.

Applications of W3230 Digital Temperature Controller:

• Incubators: Stable thermal control for egg hatching environments.
• Aquariums: Maintains optimal water temperature for aquatic life.
• Home Brewing: Controls fermentation and mash temperatures accurately.
• Greenhouses: Regulates temperature to protect plant growth.
• DIY Heating/Cooling Projects: Useful for custom thermostat-based solutions.

Equivalent of W3230 Digital Temperature Controller:

• STC-1000: Widely used dual relay controller with heating/cooling modes.
• W1209: Budget-friendly single relay temperature controller board.
• Inkbird ITC-1000: Premium temperature controller with higher reliability and case.
• XH-W3001: Compact AC temperature controller with waterproof sensor.

Datasheet of W3230 Digital Temperature Controller:

• Download W3230 Datasheet (PDF)

Package Includes:

• 1 x W3230 Digital Temperature Controller Module
• 1 x Waterproof NTC Temperature Sensor