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EC stands for Electronically Commutated. This technology combines AC and DC voltages to offer the best of both. The EC fan motor is a permanent magnet brushless motor, in which an electronic circuit, integrated into the motor, allows connection to the AC mains. The great advantage of EC fans, compared to shielded pole fans, is in their high energy efficiency. The integrated electronics (PCB) on-board the motor (stator) manages the operating parameters and transforms the voltage from AC to DC.
Characterized by large airflow rates and low noise levels, axial fans are used for forced ventilation and for the dispersion of the heat generated by equipment inside electrical panels, especially when these are installed in areas with restricted spaces and in presence of major heat dissipation problems.
Centrifugal fans produce a high pressure flow. For this reason, they are used where there is a greater resistance (environmental or atmospheric) to the airflow generated by them.