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A brushless motor is a direct current electric motor, with a rotor equipped with permanent magnets, instead of windings, and a stator with windings that generates a rotating magnetic field. Unlike a brush motor, it does not need sliding electrical contacts, or brushes, in contact with the motor shaft in order to operate.

The commutation of the current circulating in the stator windings, and therefore the variation of the orientation of the magnetic field generated by them, takes place electronically.

This results in lower mechanical resistance, eliminates the possibility of generating sparks as the rotation speed increases, and considerably reduces the need for periodic maintenance. Since the motor makes use of direct current, to generate the rotating magnetic field in the stator, an electronic circuit is needed. This is composed of a bank of power transistors controlled by a micro-controller, which commutates the current, causing a current inversion and therefore the rotation of the inverter magnetic field.

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DAREB

Directly-coupled high-efficiency double inlet centrifugal fans, with a forward-curved blade impeller, external brushless EC rotor motor and integrated inverter
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DAREB+

Directly coupled high-efficiency double inlet centrifugal fans, with a forward-curved blade impeller, twin-shaft external brushless EC rotor motor and separate on-board inverter
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DAIN B

Directly coupled high-efficiency double inlet centrifugal fans, with a forward-curved blade impeller, internal brushless EC rotor motor and separate on-board inverter
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RAREB

Double inlet centrifugal fans with high-efficiency backward-curved blades, directly coupled to a brushless EC motor, with external twin shaft rotor, and separate on-board inverter
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SAREB

Directly-coupled high-efficiency single inlet centrifugal fans, with forward-curved blade impeller, external brushless EC rotor motor and integrated inverter
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RFB

High-efficiency plug fans with backward blade impeller, external brushless EC rotor motor and integrated inverter
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AXB

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about Fans with brushless EC motors


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