Air Purification DC Centrifugal Fan Impeller / 12V Brushless Variable Speed Control

As the rotor is mounted to interior, the external rotor fan is more compact constructed, smaller and  easy to abstract heat., thus ensure to maximum the reliability of fan operation,

Brushless dc fan use a permanent magnet excitation, eliminate the loss of induction motor excitation   currents; realizing the small loss an high efficiency characteristics

The components, such ac inverters etc, whose capacity is low, and circuit are simpler, the cost lower  than ec blower’s

Variable speed control of dC fan can be realized / achievedvia 0-10V speed adjustment and/or external circuit impulse modulation

The basic parameters of field programmable: Maximum speed, minimum speed, maximum power, maximum current, resonance avoid

Constant air pressure controlling function

Embedded design

Electro magnetic compatibility (EMC)

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