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Cabinet
It is made of steel sheet, coated with black lacquer, the screws are electroplated. The fan in the basic version does not have a protective grille, it can be ordered, see accessories.
Running wheel
is made of Al alloy. The impeller is statically and dynamically balanced. The rotation of the blades is set by the manufacturer.
Motor
is asynchronous with resistive armature, stator with cooling fins, lacquer finish. The motors are with class F insulation and operating temperature -20 to +40 ˚C. Grease-filled ball bearings for life. IP55 protection. Four-pole motors are equipped with PTC-type thermistors for motor protection.
Speed control
is only possible with a frequency converter.
Rotation direction
can be changed. With a standard impeller, the flow rate drops by approx. 30% when the direction of rotation is reversed. The air flow is standard from the motor to the impeller.
Clamps
is plastic as standard. The terminal block is located on the front or side of the motor depending on the type of motor.
Mounting
fans in each position of the motor axis.
Noise
fans emitted by the fan is tabulated, measurements are taken at a distance equal to three times the impeller diameter (but not less than 1.5 m) in the free acoustic field.
