A. Motor speed is not affected by power frequency
B. Speed range is big
C. the motor is stepless speed
D. starting moment is big
E. motor high efficiency range is big
F. the volume is very compact.
G. motor efficiency is high(>80%)

H, Motor efficiency loss is le

EC fans with integrated commutation electronics offer a high efficiency across the entire speed range, optimum noise characteristics with minimum installation complexity, and overall unmatched cost-effectiveness

Features:

• Material: spiral housing of fiberglass-reinforced plastic scroll housing base of aluminum sheet.
• Fully integrated electronic commutation.
• Protect against reverse polarity and locking.
• Direction of air flow: axial air intake, centrifugal air exhaust out of the outlet.