LWBE3G 400mm Backward curved EC Centrifugal plug fan

Technical features :

Rated Voltage : 380V ( 304 – 456V Widely operating ranges )

Frequency : 50/60Hz

Auxiliary power output : +10V ±0.3 VDC

Dynamic Balancing:

1400±50r/min running speed, the residual unbalance of the fan is not less than G6.3(balancing precision；

Vibration of the fan :

Vibration speed virtual value of fans accord with JB/T8689；

Beating of impeller :

Beating of impeller in axial and radial direction ≤ 1.5 mm；

backward centrifugal fan life time design : 40,000 hours At nominal supply voltage, running at full speed, environment temperature 40℃；

Insulation class :F

Type of protection : IP54

Electronic protection : Tech-output , over-heating proteciton , over-loading protection ,Locked rotor protection , Soft start protection ,etc.