Fans for square ducts with air flow up to 8520 m3/h.
The enclosure is made of galvanized steel sheet. The fans are equipped with an efficient EC motor with a supply voltage of 230 V or 400 V. The motors are equipped with thermal overload protection, have IP44 (IRB Ecowatt), IP54 (IRT Ecowatt) protection and are suitable for operation at air temperatures up to 40 °C.
Speed control is carried out via a potentiometer located in the terminal block, external control or 0-10 V analogue input from external sensors.