The Helios EHR‑K 8÷50÷25−30 electric heater is designed for installation within ducting systems that use duct fans. It consists of enclosed heating elements with a low surface temperature, housed in a galvanized steel casing featuring flanged inlet and outlet connections for secure fitting.
The unit includes a terminal box mounted on the casing that allows for different heating stages to be selected. Safety is ensured by integrated thermal cut-outs that prevent overheating, with an automatic reset at 90 °C and a manual reset limit at 130 °C.