The W2E143-AB09-01 is a 230VAC Axial Fan with a ball bearing and metal housing. This W2E143 series round AC tube axial fan features terminal connection and impeller. -40 to 80°C Maximum operating temperature range -10 to 60°C Operating temperature range (non-condensing) Noise 58.0 dB(A) Power (Watts) 30.00W RPM 3300 RPM Termination 2 Terminals Voltage - Rated 230VAC Size / Dimension Round - 171.5mm Dia Width 51.00mm Air Flow 294.2 CFM (8.24m³/min)