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.
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587 backward curved centrifugal fans
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