Helios DV EC 250 ECO

Helios Fans Roof Fan DV EC 250 ECO

Manufacturer: Helios Fans
Designation: Roof fan with EC motor
Type: DV EC 250 ECO
Mains frequency: 50 Hz
Rated voltage: 230 V
Housing material: Plastic
Integrated automatic shutter: No
Airflow: 3700 m³/h
Rated power: 410 W
Operating temperature: -20 to 60 °C
Protection class (IP): IP54
Nominal duct diameter: 250 mm

Further details: This roof fan features EC technology with an aerodynamically designed housing made of high-quality gray polypropylene and diagonal discharge. It operates within a temperature range of -30 to +80 °C and includes integrated guide vanes for optimal efficiency. The fan is designed for horizontal installation and has a diagonal impeller made of aluminum, with a dynamically balanced motor-impeller unit. It is equipped with an electronically commutated DC external rotor motor with ball bearings for continuous operation, ensuring high efficiency even with regular use. The fan is maintenance-free and trouble-free, with stepless speed control via the speed controller (accessory). When used with the EUR EC universal control system (accessory), the fan can control the differential pressure, differential temperature, or flow velocity.