Hot dip galvanised tubular fans fitted with electronically-adjustable asynchronous high efficiency IE3 motors with a variable speed drive
Tubular axial fans designed with four support arms to reduce vibrations and equipped with low consumption aerodynamic aluminum propeller and IE3 high efficiency three-phase motor. Equipped with speed variator.
Fan: • Airflow direction from motor to impeller. • AL version rotors made of cast aluminium. • Support ring in sheet steel with double flange and cable glands for motor supply. • Hot dip galvanised tubular sheet steel casing.
Motor: • New high efficiency AC asynchronous motors (IE3). • Fitted with durable ball bearings. IP55 protection. • Three-phase 230/400 V 50 Hz (up to 4 kW) and 400/690 V 50 Hz (powers greater than 4 kW). • Fan working temperature: -25ºC +50 ºC.
Electronic speed drive: • Adjustable speed by 0-10V signal or PI automatic control integrated in the inverter. • Highly configurable electronic drive with 2 analog inputs, 2 digital inputs, 1 relay output and 1 analog or digital output to select. • Possibility of connection to MODBUS and CAN Open field buses. • Electronic drive for easy installation outside the work area. Thanks to its DIN rail it can be mounted on control panels minimizing connections. • Supplied pre-wired with shielded cable in accordance with EMC directive 2014/30/EU. • Available with single-phase 220-240V 50/60 Hz input up to 3CV (Type VSD1 / A-RFM) or three-phase 380-415V 50/60 Hz (Type VSD3 / A-RFT). IP20 standard protection. IP66 protection up to 10CV on request. • Working temperature (VSD): -25ºC + 50 ºC.
Finishing: • Hot dip galvanized
On request: • Airflow direction from impeller to motor. • Fibreglass reinforced polyamide PL version impellers. • 100% reversible impellers.
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