4600N is AC fans with external rotor shaded-pole motor. Impedance protected against overloading. Metal fan housing and impeller. Air intake over struts. Direction of rotation clockwise, seen on rotor. Electrical connection via 2 flat plugs 3.0 x 0.5 mm. Impeller with 3 or 5 blades, see note for fan type. Optionally available: Models with reinforced flanges and single leads. Fan housing with grounding lug for screw M 4 and UNC. Mass: 550 g. Please note our new ACmaxx Series. With identical mounting dimensions and voltages, this Series achieves higher energy efficiency. Voltage - Rated 115VAC Size / Dimension Square - 119mm L x 119mm H Width 38.00mm Air Flow 106.0 CFM (2.97m³/min) Bearing Type Sintec Fan Type Tubeaxial Noise 50.0 dB(A) Power (Watts) 18.00W RPM 3100 RPM Termination 2 Terminals Operating Temperature 14 ~ 140°F (-10 ~ 60°C)