The Eliwell DR4020 is a compact and reliable digital temperature controller designed for precise monitoring and control of industrial and HVAC systems. Equipped with dual relay outputs, this unit allows independent management of heating and cooling or alarm functions, making it ideal for automation panels, thermal management in inverter rooms, and solar power enclosures.

Built by Eliwell, a trusted Italian manufacturer of industrial control electronics, the DR4020 ensures accurate temperature regulation with a user-friendly interface and durable DIN-rail housing. Its flexibility and precision make it suitable for both new installations and retrofit applications in renewable energy systems and industrial automation.

🔄 Condition: Used
🛠 Warranty: 6 months by Green Energy

⚙️ Technical Specifications:

• Model: DR4020
• Manufacturer: Eliwell
• Power Supply: 230 V AC ±10 %, 50/60 Hz
• Inputs: 1 x NTC / PTC sensor input
• Outputs: 2 x SPDT relay outputs
• Relay Capacity: 8 A resistive load per relay
• Display: Dual 3-digit LED
• Mounting: DIN-rail mount (modular housing)
• Operating Range: -50 °C to +110 °C (sensor dependent)
• Functions: Heating / Cooling / Alarm control
• Protection Class: IP20 (front)
• Certifications: CE, RoHS compliant

📌 Key Features:
✔️ Dual-relay design for heating, cooling, or alarm control
✔️ Compact DIN-rail format for easy panel integration
✔️ High-accuracy temperature regulation with NTC/PTC sensors
✔️ Ideal for solar inverter rooms, control panels, and HVAC systems
✔️ Reliable Italian-made quality for industrial use

🚀 Ensure precise and reliable temperature control in your energy or automation system with this genuine Eliwell DR4020 digital controller.