Eliwell DR4020 Temperature Controller | Digital Dual Relay | 230 V AC | DIN-Rail Mount | Industrial Process / HVAC / Solar Control optimizers Production Date: 05

Production Date: 05

Fuse Type: Littelfuse KLKD 4 (4A

Overtemperature Conditions

which utilizes a large rear aluminum heat sink instead of cooling fans

Type: Single-Phase On-Grid Photovoltaic Inverter

Eliwell DR4020 Temperature Controller | Digital Dual Relay | 230 V AC | DIN-Rail Mount | Industrial Process / HVAC / Solar Control optimizers Production Date: 05The 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