RR EC 250 B – Helios – EC-Centrifugal In-Line Fan

RR EC 250 B – Helios – EC-Centrifugal In-Line Fan

EC radial duct fan for direct installation in the duct system.

Housing made of galvanized sheet steel with round connecting pieces matched to standard pipes.

Radial impeller with backward curved blades made of plastic. Pressed directly onto the motor and dynamically balanced as a unit. Low noise, high efficiency.

Energy-saving, speed-controllable EC external rotor motor with protection class IP 54. Maintenance and radio interference-free and with ball bearings. Integrated electronic temperature monitoring for EC motor and electronics. Infinitely variable speed control with potentiometer or infinitely variable speed control with universal control system.
Connection via standard terminal box (IP54) on the outside of the housing.

Product PDF:

RR EC CATALOGUE