24volts brushless 500w axial cooling fan for heavy trucks

Rated voltage DC24V 

Voltage range 16-32VDC 
Starting voltage DC16V 
Rated speed 4100rpm ±50

Lowest speed 1100±50 rpm

Rated current ≤22A 
motor power 500w 
Airflow 3700m3/h (Pa 0 pa )

Noise level 80db(A) at highest speed
Lifetime ≥25000h 
Control way PWM 
Waterproof grade IP68 
Working temperature -40ºC to +120ºC