The Helios EHR‑R 0,4÷100 electric heater features a closed tubular heating element constructed from stainless steel, designed to maintain a low surface temperature. It is housed within a duct casing made of galvanized steel sheet, complete with a terminal box, suitable for use in commercial duct systems.
This heater is equipped with two temperature limiters: an automatic reset limiter activating at 50 °C and a manual reset limiter activating at 120 °C, ensuring operational safety. The unit has an IP40 protection rating, providing reliable protection against solid objects.