The Helios EHR‑K 15÷60÷30−35 is an electric heater battery designed for installation in rectangular ducting systems. It features closed tubular heating elements with a low surface temperature, wired to an external connection box and designed to operate in multiple switchable stages.
Constructed from galvanized sheet steel, the unit includes connection flanges on both ends for easy integration into duct channels. For safety, it is equipped with two thermal protection systems: an automatic reset temperature limiter triggered at 90 °C and a manually resettable limiter activated at 120 °C. This ensures safe and efficient heating operation in ventilation systems.