AC Compact cooling Fan:
Measurement of the cooling supporter: Φ 350mm

cooing supporter specification:
Motor
Cage type capacitor commence exterior rotor motor
Impeller
Pressed from steel armor plate, impellers are welded to
motor rotor and its surface area is black and anti-corrosion
Mounted Guard
Metal wire is concluded with black paint and anti-corrosion treatment method
Allowable setting temperature and 
humidity range:(under unconcretionary condition)
-30ºC ~ +70ºC (temperature) % ~ ninety five% (humidity)
Safety
Automatic restoration thermal safety
Endure Voltage
AC one,800V , one min at .5mA, 50/sixty Hz
Insulation Quality
Design in accordance to IEC61858 Grade F,
Defense Quality
IP44