IP44 250mm Centrifugal Exhaust Fans ABS casing for green house ventilation 

Feature:

1. The body casing is made of ABS (FR).
2. Optimaized backword-curved centrifugal impeller using PA66(FR), with larger air volume, stronger air pressure and low noise.
3. ABS(FR) connection box.
4. External rotor motor with low temperature rise.
5. Motor is equipped with automactic reset thermal overload protection.
6. High quality Japanese brand NSK ball bearing, acceptable for continuous operation of 50000h.
7. Insulation Class F.
8. Enclosure Class IP44.
9. Normal operation at super-wide ambient temperature from -20°C to 60°C

Specification:

Dimensions drawing:

Performance Curve:

HEE series external rotor motor centrifugal duct ceiling mounted fan owns the advantages of big airflow, big air press, small size, good insulation and easy installation.

HEE series external rotor motor centrifugal duct fan also has a high moisture reistance; it can be installed in moist or wet environment.The protection grade for this fan is IP44 if they are installed in the piping system. But they are prohibited to be used for conveying powder substances.