Advantages of DC Backward Curved Centrifugal Fans:
1.DC Backward Curved Centrifugal Fans mainly used for FFU air filter units and air purifiers, air conditioners and other equipment ventilation circulation ventilation purposes.              
2.DC Backward Curved Centrifugal Fans has the characteristics of easy installation, reliable operation, large air volume, energy saving and high efficiency
3.DC Backward Curved Centrifugal Fans has the characteristics of easy installation, reliable operation, large air volume, energy saving and high efficiency. 
4.Centrifugal fan rated air volume between 200 ~ 9500m³ / h
5.Motor output power range of 5w ~ 1500w micro
6.Motor insulation level B, F, the internal 125 °C-135 °C thermal protector
7.Motor service life of more than 30,000 hours, working mode: S1 motor use environment degree: -30 °C ~ 60 °C
8.Motor through the European CE certification and China's CCC certification                         
Before the motor is used, the motor grounding wire must be effectively connected to the external grounding device
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