Wiring Diagram: Digital Controller, Contactor, and Electric Heater

December 18, 2024

This diagram illustrates a simple connection of an electric heating system controlled by a digital controller and a contactor. The controller measures the temperature and energizes the contactor coil, which switches the electric heater on or off as needed.

✅ Advantages of this system:

• Precise temperature control.

• Electrical protection and operational safety.

• Extended service life of the heating element.

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💡 Technical Tip: Always follow safety standards, use the proper cables, and carry out the installation with a qualified professional.

By Andre Passos

📢 EloControl Heating & Automation – We supply electric heaters, digital controllers, thermocouples, and complete industrial automation solutions. From design to installation, we deliver efficiency, safety, and cost savings for your production.