Tubular helical fans with cataphoresis anti-corrosion jacket and polyester paint, dynamically balanced aluminium impeller, three-phase motor.
2, 4 or 6 pole motors, depending on version.
Voltage adjustable by autotransformer, except /4-560/H, /4-630, 710 and T/800 models. Three-phase models adjustable by frequency converter.
Supply voltage Single-phase 230V-50Hz Three-phase 230/400V-50Hz or 400V-50Hz.
Other data Air direction Propeller-Motor (flow B). Motor-propeller (A-flow), on request.
