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Industrial EC Forward Curved Centrifugal Fan With External Rotor Motor
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|Sound Pressure Level
forward curved blower,
forward curve fan
Coil Units Ec Blower Fan With Ventilating Units For Le140n-230d3-00
Key Specifications/Special Features:
|Sound pressure level
1． EC fans includes AC input driven brushless DC fan with integrated design of AC-DC transformation circuit, the PFC circuit, the BLDC drive circuit, interface circuit. Due to the internal integration of the AC-DC converter circuit, the consumption of power will be reduced to facilitate the design and application of the overall power system in customer.
2. Brushless DC external rotor motor belongs to non-mechanical brush(commutator)DC motor which enforces the winding current commutation through electronic commutator (position sensing, non-position sensing),achieve the speed control function with PAM or PWM control