The Helios EHR‑R 9/355 is a closed tubular steel electric heater designed for use in standard duct systems. It features a durable tubular casing with a plenum box made from aluzinc-coated steel, offering high resistance to corrosion and ensuring long-term performance in ventilation applications.
Designed for low surface temperature operation, the heater is equipped with an automatically resetting temperature limiter that activates at 50 °C and a manually resettable limiter triggered at 100 °C. These built-in safety features provide reliable protection against overheating during operation.
The EHR‑R 9/355 is ideal for commercial and industrial ventilation systems, delivering consistent and safe air heating with a robust and compact design.