Impeller: Plastic PA66+GF
Motor: EC brushless external rotor motor
Insulation: Class B
Technical Features: Control input 0-10VDC/PMW,Tach output,Soft start,Locked totor protection,Reverse protection,Current limit protection.

Belong high quality UL Approved backward centrifugal fan 175mm 115v 230v

Rated Voltage VAC 115 230
Operation Voltage VAC 92~132 184~265
Rated Current A 1.5 0.75
Rated Speed RPM 2500
Rated Power W 85
Airflow CFM 636.9
Air Pressure mmH2O 43.3
Noise Level dBA 67
Net Weight Kg 1.5
Operation  Temperature  -20°C~ +60°C